Ninth Annual V. M. Goldschmidt Conference: August 22 - 27, 1999, Harvard University, Cambridge, Massachusetts ; [abstracts]
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| Sprache: | English |
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Houston, Tex.
Lunar and Planetary Institute
1999
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| Schriftenreihe: | LPI contribution
971 |
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| Beschreibung: | XLIX, 342 S. Ill., graph. Darst. |
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| 245 | 1 | 0 | |a Ninth Annual V. M. Goldschmidt Conference |b August 22 - 27, 1999, Harvard University, Cambridge, Massachusetts ; [abstracts] |c hosted by Department of Earth and Planetary Sciences, Harvard University |
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/ 1
NINTH ANNUAL
V, M. GOLDSCHMIDT CONFERENCE
AUGUST 22-27,1999
HARVARD UNIVERSITY CAMBRIDGE, MASSACHUSETTS
HOSTED BY
DEPARTMENT OF EARTH AND PLANETARY SCIENCES HARVARD UNIVERSITY
SPONSORED BY
GEOCHEMICAL SOCIETY EUROPEAN ASSOCIATION OF GEOCHEMISTRY LUNAR AND
PLANETARY INSTITUTE HARVARD UNIVERSITY NATIONAL AERONAUTICS AND SPACE
ADMINISTRATION
LUNARAND PLANETARY INSTITUTE 3600 BAY AREA BOULEVARD HOUSTON TX
77058-1113
LPI CONTRIBUTION NO. 971 UB/TIB HANNOVER 89 123 411 696
IMAGE 2
LP1 CONTRIBUTION NO. 971 V
CONTENTS
QUANTIFYING PRECAMBRIAN CRUSTAL EXTRACTION: THE ROOT IS THE ANSWER D.
ABBOTT, D. SPARKS, C. HERZBERG, W. MOONEY, A. NIKISHIN, ANDY. ZHANG , 1
AMPHIBOLE-VEINED LITHOSPHERIC MANTLE SOURCES FOR RECENT ALKALINE BASALTS
IN THE NORTHERN CANADIAN CORDILLERA
A.-C. ABRAHAM, D. FRANCIS, ANDM, POLVE 1
STABLE ISOTOPES IN DEEP-SEA CORALS: A NEW MECHANISM FOR VITAL EFFECTS
J. ADKINS, E. BOYLE, AND W. CURRY 2
THE SOLUBILITY OFIRON-MAGNESIUM CHLORITE IN HYDROTHERMAL SOLUTIONS S.
U.AJA 2
HIGHLY SIDEROPHILE ELEMENTS IN MANTLE SULFIDES: IN SITU LASER ABLATION
MICROPROBE INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY ANALYSIS O.
ALARD, W. L. GRIFFIN, J. P. LORAND, S. JACKSON, AND S. Y. O REILLY 3
THE EARLY EVOLUTION OF THE EARTH AND MARS FROMHAFNIUM-NEODYMIUM ISOTOPIC
SYSTEMATICS
F. ALBAREDE, J. BLICHERT-TOFT, J. D. VERVOORT, J. GLEASON, ANDM. T.
ROSING 3
ION PROBE MICROMETER SCALE STABLE ISOTOPIC RATIOS OF AEROSOL
MICROPARTICLES J. ALEON, M. CHAUSSIDON, AND B. MARTY 4
SPHERICAL FLY-ASH PARTICLES ASMARKERS FOR CONTEMPORARY DEPOSITION
OFATMOSPHERIC POLLUTANTS T.ALLIKSAAR 4
SOLUBLE SALTS IN PATHOLOGIES OF GRANITIC MONUMENTS OF BRAGA
(NORTHWESTERN PORTUGAL) C. A. S. ALVES AND M. A. SEQUEIRA BRAGA 5
CHARACTERIZATION OF SALINE POLLUTION AFFECTING THE ANGRA DO HEROISMO
CATHEDRAL: A TRACHYTIC MONUMENT OF TERCEIRA ISLAND (AZORES-PORTUGAL) C.
A. S. ALVES, M. A. SEQUEIRA BRAGA, AND A. TRANCOSO 6
THE OSMIUM-ISOTOPIC MESSAGE IN THE LESSER ANTILLES ARC LAVAS 5. ALVES,
P. SCHIANO, AND C. J. ALLEGRE 6
VERTICAL AND HORIZONTAL DISTRIBUTIONS OFNEODYMIUM-ISOTOPIC RATIO OF THE
NORTHWESTERN PACIFIC, SEA OF OKHOTSK, ANDLAPAN SEA H. AMAKAWA, D. S.
ALIBO, AND Y. NOZAKI 7
OPAL AS AURANIUM-LEAD GEOCHRONOMETER YU. AMELIN AND L. A. NEYMARK 8
LUTETIUM-HAFNIUM AND URANIUM-LEAD SYSTEMATICS OFEARLY-MIDDLE ARCHEAN
SINGLE ZIRCON GRAINS
YU. AMELIN, D.-C. LEE, AND A. N. HALLIDAY 8
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VI NINTH ANNUAL V. M. GOLDSCHMIDT CONFERENCE
THE EXTRATERRESTRIAL MASS FLUX ON THE EARLY EARTH A. D. ANBAR, G. L.
ARNOLD, S. J. MOJZSIS, AND K. J. ZAHNLE 9
IRON-ISOTOPIC FRACTIONATION STUDIES USING MULTIPLE COLLECTOR INDUCTIVELY
COUPLED PLASMA MASS SPECTROMETRY A. D. ANBAR, C. ZHANG, J. BARLING, J.
E. ROE, AND K. H. NEALSON 10
PARTICLE-MEDIATED SURFACE WATER EXPORT: COMPARISON OF ESTIMATES FROM
URANIUM-238-THORIUM-234 DISEQUILIBRIA AND SEDIMENT TRAPS IN A
CONTINENTAL SHELFREGION P. S. ANDERSSON, 6. GUSTAFSSON, P. ROOS, D.
BROMAN, AND A. TONEBY 10
POTASSIUM-RICH CLINOPYROXENES AS MANTLE CONVEYORS OF CRUSTAL COMPONENTS
L. ANDRE, V. S. SHATSKY, K. DE CORTE, N. V. SOBOLEV, AND J. NAVEZ 11
HYDRATION MECHANISMS AND STRUCTURAL CHARACTERIZATION OF SIMPLIFIED
GLASSES
(COMPARISON BETWEEN BASALTIC AND RADIOACTIVE WASTE GLASSES) F. ANGELI,
TH. CHARPENTIER, D. BOSCARINO, G. DELIA MEA, ANDJ.-C. PETIT 11
X-RAY ABSORPTION SPECTROSCOPY INVESTIGATION OF ARSENITE AND ARSENATE
ADSORPTION ON GAMMA ALUMINUM OXIDE Y. ARAI, E. J. ELZINGA, AND D. L.
SPARKS 12
EXPERIMENTAL STUDY OF GOLD SOLUBILITY IN HYDROCHLORIC ACID-BEARING
WATERVAPOR 5. M. ARCHIBALD AND A. E. WILLIAMS-JONES 12
HAFNIUM-ISOTOPIC COMPOSITIONS OF KOMATIITES
N. T. ARNDT AND J. BLICHERT-TOFT 13
CONTRASTING EXTRACELLULAR ENZYMATIC HYDROLYSIS RATES AND SUBSTRATE
SPECIFICITIES IN BOTTOM WATER AND SURFACE SEDIMENTS: IMPLICATIONS FOR
ORGANIC MATTER REMINERALIZATION AND CARBON PRESERVATION
C. ARNOSTI 13
PROTACTINIUM-THORIUM-URANIUM FRACTIONATION DURING MANTLE MELTING:
INFERENCES FROM CONTINENTAL BASALT DATA
Y. ASMEROM, H. CHENG, T. TESFAY, B. BIERMAN, ANDR. L. EDWARDS 14
CONTROL OFOCEANIC NEW PRODUCTION IN THE EQUATORIAL PACIFIC BY IRON A. K.
AUFDENKAMPE, J. J. MCCARTHY, M. RODIER, AND J. W. MURRAY 14
ALTERATION OF OCEANIC TROCTOLITES BY MAGMATIC FLUIDS IN OCEAN DRILLING
PROGRAM HOLE 735B?
W. BACH, Y.NIU.J. C.ALT, AND S. E. HUMPHRIS 15
EARLY CHEMICAL AND PETROGRAPHIC CHANGES DURING PEAT-TO-LIGNITE
TRANSFORMATIONS A. M. BAILEY, A. D. COHEN, W. H. OREM, W. C. RIESE, AND
S. THIBODEAUX 16
BIOAVAILABILITY AND CHEMICAL COMPOSITION OF THERMALLY ALTERED PINUS
RESINOSA
(RED PINE) WOOD J. A. BALDOCK 16
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LPI CONTRIBUTION NO. 971 VII
GEOCHEMICAL SIGNATURES IN THE EARLY PROTEROZOIC OCEANIC SEDIMENTS: CASE
HISTORY FROM THE ARAVALLI SUPERGROUP OF SOUTHCENTRAL RAJASTHAN, INDIA D.
M. BANERJEE AND P. BHATTACHARYA 17
X-RAY PHOTOELECTRON SPECTROSCOPY STUDY OF REDUCTIVE DISSOLUTION OF
BIRNESSITE BY OXALATE D. M. BANERJEE AND H. W. NESBITT 17
MICROBIAL POPULATIONS SUSTAINED BY DISSOLUTION OF IRON SILICATES /. F.
BANFIELD, S. A. WELCH, C. M. SANTELLI, K. J. EDWARDS, AND P. L. BOND 17
ACCELERATED WEATHERING OF FELDSPAR UNDER ELEVATED PC02(G) AT 25 C AND 1
ATM S. A. BANWART AND A. BERG 18
USE OF RADIUM-226 FOR GROUNDWATER DATING F. BARBECOT, L. DEVER, AND C.
HILLAIRE-MARCEL 18
DATING CLIMATIC EVENTS IN THE EASTERN MEDITERRANEAN REGION USING CAVE
DEPOSITS M. BAR-MATTHEWS, A. AYALON, AND A. KAUFINAN 19
BASALTS IN MONGOLIA: EVIDENCE FOR CONTRIBUTION FROM A WIDESPREAD HYDROUS
LITHOSPHERIC SOURCE T. L. BARRY, P. D. KEMPTON, A. D. SAUNDERS, M. S.
PRINGLE, G. DAVIES, ANDB. F. WINDLEY 19
GEOCHEMISTRY OFXENOLITHIC ECLOGITES FROM WEST AFRICA M. G. BARTH, R. L.
RUDNICK, I. HORN, W. F. MCDONOUGH, M. J. SPICUZZA, J. W. VALLEY, AND S.
E. HAGGERTY 20
LABORATORY EXAMINATION OF MICROBIAL PERTURBATIONS IN A GEOLOGICAL
DISPOSAL SITE FOR RADIOACTIVE WASTE
K. BATEMAN, P. COOMBS, K. HAMA, V. L. HARDS, A. E. MILODOWSKI, J. M.
WEST, P. D. WETTON, ANDH. YOSHIDA 20
INTRAPLATE MAGMATISM OF THE KOLA STRUCTURE, BALTIC SHIELD BAYANOVA
T. B. BAYANOVA
21
THE ROLE OF IRON METABOLIZING ORGANISMS IN THE IRON GEOCHEMICAL CYCLE
REVEALED BY IRON-ISOTOPIC MEASUREMENTS
B. L. BEARD AND C. M. JOHNSON
21
MOBILITY AND ACCUMULATION OF PLATINUM-GROUP METALS AND SELECT TRACE
METALS IN THE
POLAND KUPFERSCHIEFER A. BECHTEL, S. OSZCZEPALSKI, A. M. GHAZI, W. C.
ELLIOTT, ANDB. D. CHATHAM 22
RHENIUM AND OSMIUM LOSS FROM SUBDUCTED OCEANIC BASALT AND THE RHENIUM
BUDGET OF THE CONTINENTS H.BECKER 22
SECULAR CARBON-ISOTOPIC VARIATIONS AND CHANGING ENVIRONMENT IN THE EARLY
PALEOPROTEROZOIC A. BEKKER AND J. A. KARHU 22
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VIII NINTH ANNUAL V. M. GOLDSCHMIDT CONFERENCE
SOLUBILITY AND REACTION RATES OFALUMINUM SOLID PHASES UNDER HYDROTHERMAL
CONDITIONS
P. BENEZETH, D. A. PALMER, ANDD. J. WESOLOWSKI 23
CRUST-MANTLE EVOLUTION IN THE EARLY ARCHEAN: A VIEW FROM A 3.8-GA
TERRANE OF SOUTHERN WEST GREENLAND
V. C. BENNETT, A. P. NUTMAN, C. R. L. FRIEND, ANDM. D. NORMAN 24
MACKINAWITE STABILITY AT HIGH TEMPERATURES L. G. BENNING, C. L. CAHILL,
S. M. CLARK, H. L. BARNES, AND J. B. PARISE 24
GROWTH MORPHOLOGIES ON PYRITE SURFACES L. G. BENNING, A. L. OWSLEY,
ANDH. L. BARNES 25
SULFATE-REDUCING BACTERIA AND MACKINAWITE STABILITY L. G. BENNING, R. T.
WILKIN, AND K. O. KONHAUSER 26
THE DISSOLVED AND PARTICULATE LOADS OF RAINS CONSTRAINED BY LEAD,
STRONTIUM ISOTOPES, AND MAJOR AND TRACE ELEMENTS D. BEN OTHMAN, J. M.
LUCK, P. TELOUK, AND F. ALBAREDE 26
PHYSICOCHEMICAL CHARACTERIZATION OF CARBONACEOUS PARTICLES: FACTORS FOR
ASSESSING BIOLOGICAL ACTIVITY K. A. BERUBE, S. A. MURPHY, T. P. JONES,
F. D. POOLEY, B. J. WILLIAMSON, AND R. J. RICHARDS 27
USING BROWN COAL AS AN ORGANIC FERTILIZER O. S. BEZUGLOVA 28
HIGH-IRIDIUM CONCENTRATION IN ALKALINE ROCKS OF DECCAN AND IMPLICATIONS
TO
CRETACEOUS-TERTIARY BOUNDARY ENHANCEMENT N. BHANDARI, P. N. SHUKLA, AND
A. D. SHUKLA 28
ACID DISSOLUTION RATES OF 2:1 PHYLLOSILICATE CLAY MINERALS MEASURED WITH
IN SITU ATOMIC FORCE MICROSCOPY B. R. BICKMORE, D. BOSBACH, M. F.
HOCHELLA JR., AND L. CHARLET 28
ON A JURASSIC TRANSCONTINENTAL SEAWAY, THERMOHALINE CIRCULATION, AND
OXYGEN-18 C. J. BJERRUM, D. R. GROCKE, S. P. HESSELBO, H. C. JENKYNS, S.
M. OLSEN, G. SHAFFER, AND F. SURLYK 29
QUANTITATIVE ANALYSIS OF EXPERIMENTAL MICROBE-MINERAL INTERACTIONS USING
VERTICAL SCANNING WHITE LIGHT INTERFEROMETRY R. E. BLAKE AND A. LIITTGE
29
NEW CONSTRAINTS FROM HAFNIUM ISOTOPES ON THE SOURCE OF HAWAI IAN BASALTS
J. BLICHERT-TOFT, F. A. FREY, AND F. ALBAREDE 30
QUANTITATIVE DETERMINATION OF SMECTITE SURFACE AREAS BY THE SORPTION OF
POLYVINYLPYRROLIDONE A. E. BLUM, D. D. EBERL, ANDD. W. RUTHERFORD 30
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LPI CONTRIBUTION NO. 971 IX
THE PALEOZOIC EVOLUTION OF THE WESTERN MARGIN OF GONDWANA RECONSTRUCTED
WITH NEODYMIUM AND LEAD ISOTOPES B. BOCK, H. BAHLBURG, G. WORNER, ANDU.
ZIMMERMANN 31
EVOLUTION OF THE SOUTHEASTASIAN CONTINENT FROMURANIUM-LEAD AND HAFNIUM
ISOTOPES IN SINGLE GRAINS OF ZIRCON AND BADDELEYITE FROMLARGE RIVERS F.
BODET AND U. SCHARER 31
MICROBIAL DEGRADATION OF ORGANIC MATTER IN SEDIMENTS OF THE ARABIAN DEEP
SEA A BOETIUS, M. NITSCHE, T. FERDELMAN, K. LOCHTE, AND O. PFANNKUCHE 32
APPLICABILITY OF THE URANIUM-ISOTOPIC MODEL AS A PROSPECTING TECHNIQUE
IN GUARANY AQUIFER, SOUTH AMERICA
D. M. BONOTTO 33
THE IMPLICATIONS OF DISSOLVED URANIUM IN DEEP GROUNDWATERS FROM GUARANY
AQUIFER, SOUTH AMERICA, FOR THE DISPOSAL OF RADIOACTIVE WASTES D. M.
BONOTTO 33
ARSENIC SORPTION ON METAL SULFIDES B. C. BOSTICKANDS. E. FENDORF. 34
SEASONAL DYNAMICS IN THE BIOGEOCHEMISTRY, STABLE ISOTOPIC GEOCHEMISTRY,
AND MICROBIAL COMMUNITY STRUCTURE OF TEMPERATE INTERTIDAL SEDIMENTS M.
E. BOTTCHER, B. HESPENHEIDE, C. BEARDSLEY, E. LLOBET-BROSSA, A. SCHRAMM,
A. WIELAND, G. BOTTCHER, B. SCHNETGER, U.-G. BERNINGER, R.
ROSSELLO-MORA, R. AMANN, AND O. LARSEN 34
LITHIUM-ISOTOPIC COMPOSITIONS OFMARIANA ARC LAVAS: IMPLICATIONS FOR
CRUST-MANDE RECYCLING C. BOUMAN AND T. R. ELLIOTT 35
HIGH-PRECISION URANIUM-LEAD GEOCHONOLOGICAL CONSTRAINTS ON EARLY ANIMAL
EVOLUTION S. A. BOWRING, M. W. MARTIN, AND K. L. DAVIDEK 35
DIFFUSION OF ARGON FROM MELT INCLUSIONS IN QUARTZ PHENOCRYSTS J. W.
BOYCE, M. GROVE, ANDM. R. REID . . 36
LEAD ISOTOPES AS TRACERS FOR ENVIRONMENTAL POLLUTION AT A FORMER URANIUM
MINING SITE IN EASTERN GERMANY G. BRACKE AND M. SATIR 36
MIGRATION OFRARE EARTH ELEMENTS AT THE NATURAL FISSION REACTOR
OFBANGOMBE SHOWN USING
FISSIONGENIC ISOTOPIC RATIOS G. BRACKE, F. GAUTHIER-LAFAYE, ANDH. HIDAKA
37
PLATINUM-190/OSMIUM-186- AND RHENIUM- 187/OSMIUM-187-ISOTOPIC
SYSTEMATICS OF ABYSSAL PERIDOTITES A. D. BRANDON, J. E. SNOW, R. J.
WALKER, J. W. MORGAN, ANDT. D. MOCK 37
EFFECTS OF THE HYDROSPHERE ON THE EVOLUTION OF BASALTIC MAGMAS M. E.
BRANDRISS ANDD. K. BIRD 38
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X NINTH ANNUAL V. M. GOLDSCHMIDT CONFERENCE
BACTERIA-PROMOTED DISSOLUTION OF A COMMON SOIL SILICATE S. L. BRANTLEY,
L. J. HERMANN, AND B. E. KALINOWSKI 39
EVOLUTION OFTEMPERATURE CONTROL ON ALKENONE BIOSYNTHESIS 5. C. BRASSELL
39
CHEMICAL COMPOSITION OF SILURIAN SEAWATER: PRELIMINARY RESULTS
FROMENVIRONMENTAL SCANNING ELECTRON MICROSCOPY-ENERGY DISPERSIVE
SPECTROSCOPY ANALYSES OF FLUID INCLUSIONS IN MARINE HALITES S. T.
BRENNAN, T. K. LOWENSTEIN, M. N. TIMOFEEFF, AND LA. HARDIE 40
A POLYPHASIC APPROACH TO STUDY THE DIVERSITY AND VERTICAL DISTRIBUTION
OF SULFUR-OXIDIZING THIOMICROSPIRA SPECIES IN COASTAL SEDIMENTS OF THE
GERMAN WADDEN SEA T. BRINKHOFF, C. M. SANTEGOEDS, K. SAHM, J. KUEVER,
ANDG. MUYZER 40
THE TEMPORAL EVOLUTION OF THE OLIGOCENE-RECENT IZU-BONIN ARC: THE TEPHRA
PERSPECTIVE C. J. BRYANT, R. J. ARCULUS, AND S. M. EGGINS 41
HALOGEN GEOCHEMISTRY OF THE MANTLE DETERMINED FROM GLOBALLY DISTRIBUTED
DIAMOND SAMPLES R. BURGESS AND J. W. HARRIS 41
OPTIMIZING OCHRE ACCRETION AT THE SOURCE S. P. BURKE, S. A. BANWART, A.
JARVIS, AND P. L. YOUNGER 42
BUBBLE-BY-BUBBLE DEGASSING OF MID-OCEAN-RIDGE BASALT MAGMAS P. G.
BURNARD 42
SENSITIVITY AND ISOTOPIC DISCRIMINATION IN A NIER-TYPE SOURCE AS A
FUNCTION OF PRESSURE:
IMPLICATIONS FOR ARGON AND HELIUM ANALYSIS P. G. BURNARD AND K. A.
FARLEY 43
AEROSOL CARBON IN THE REMOTE ATMOSPHERE P. R. BUSECK, M. PDSFAI, L. JIA,
AND J. R. ANDERSON 44
FRAMBOIDAL PYRITE FORMATION BY THE OXIDATION OF IRON(II) MONOSULFIDE BY
HYDROGEN SULFIDE /. B. BUTLER AND D. RICKARD 44
IRON SULFIDE OXIDATION IN AN ANOXIC CHEMOSTATED REACTION SYSTEM /. B.
BUTLER, S. T. GRIMES, ANDD. RICKARD 45
MICROSCALE TRACE-ELEMENT AND SULFUR-ISOTOPIC DISTRIBUTIONS IN
HYDROTHERMAL SULFIDES /. B. BUTLER, R. W. NESBITT, AND A. E. FALLICK 45
FORMATION OF THE THIOSPINEL, GREIGITE, THROUGH THE OXIDATION OF IRON(II)
MONOSULFIDE IN THE PRESENCE OF ALDEHYDES /. B. BUTLER, D. RICKARD, AND
A. OLDROYD 46
IN SITU X-RAY DIFFRACTION OF TROILITE UNDER REDUCED, ANOXIC HYDROTHERMAL
CONDITIONS C. L. CAHILL, L. G. BENNING, S. M. CLARK, AND J. B. PARISE 47
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LPI CONTRIBUTION NO. 971 XI
CONTROLS ON OCEAN PH AND ALKALINITY: ATMOSPHERIC CARBON DIOXIDE AND
CARBONATE SEDIMENTS K. CALDEIRA ANDR. A. BERNER 47
PLATINUM-GROUP-ELEMENT MICROANALYSIS OF ORDINARY CHONDRITE METAL GRAINS
BY LASER ABLATION
INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY
A. J. CAMPBELL ANDM. HUMAYUN 48
VERTICAL AND LATITUDINAL VARIATION OFGEOCHEMICAL COMPOSITION OF MARINE
PARTICLES OFF TASMANIA: ROLE OF ADVECTIVE, BIOLOGICAL, AND AUTHIGENIC
PROCESSES D. CARDINAL, T. CATTALDO, M. ELSKENS, F. DEHAIRS, ANDL. ANDRE
49
ONLINE MATRIX SEPARATION FOR ANALYSIS OF RARE EARTH ELEMENTS USING
INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY: APPLICATIONS TO
CONTINENTAL WATERS J. CARIGNAN ANDD. YEGHICHEYAN 49
OXYGEN ISOTOPES OF ECLOGITES FROM THE ORAPA KIMBERLITE (BOTSWANA):
POSSIBLE ORIGINS P. CARTIGNY, K. S. VILJOEN, AND G. WBRNER 50
RECONSTRUCTING THE PALEOTOPOGRAPHY OFMOUNTAIN BELTS FROM THE ISOTOPIC
COMPOSITION OF
AUTHIGENIC MINERALS C. P. CHAMBERLAIN ANDM. A. POAGE 50
ERUPTION OF THE BRITISH TERTIARY VOLCANIC PROVINCE IN APPROXIMATELY TWO
MILLION YEARS
DURING CHRON 26R L. M. CHAMBERS ANDM. S. PRINGLE 51
THE SOCIETY PLUME: ISOTOPES AND TRACE ELEMENTS ALONG THE CHAIN C.
CHAUVEL, H. GUILLOU, S. BLAIS, G. GUILLE, R. MAURY, ANDM. CAROFF. 51
NEODYMIUM-HAFNIUM-ISOTOPIC COMPOSITIONS OFALUMINUM-DEPLETED
ANDALUMINUM-UNDEPLETED KOMATIITES OF THE KOMATI FORMATION (SOUTH AFRICA)
V. CHAVAGNAC, S. W. PARTNAN, R. W. CARLSON, J. C. DANN, T. L. GROVE,
ANDS. A. BOWRING 52
EFFECT OF OXALATE ON THE SIDEROPHORE-PROMOTED DISSOLUTION OF GOETHITE
S.-F. CHEAHAND G. SPOSITO 53
ISOTOPIC SYSTEMATICS IN PORTALES VALLEY /. H. CHEN, D. A.
PAPANASTASSIOU, ANDG. J. WASSERBURG
53
FLUID INCLUSION EVIDENCE FOR HIGH COPPER CONTENT OF ORE-FORMING FLUID
FOR XIFANPING PORPHYRY COPPER DEPOSIT, SICHUAN PROVINCE, CHINA P. CHEN,
R. WANG, X. CHEN, AND S. XU 54
DETERMINATION OFMELANTERITE-ROZENITE AND
CHALCANTHITE-BONATTITEEQUILIBRIA BY THE HUMIDITY BUFFER TECHNIQUE AT 0.1
MPA I.-M. CHOU, R. R. SEAL II, ANDB. S. HEMINGWAY 54
USE OF ISOTOPIC TRACERS IN THE QUANTIFICATION OF MINING-DERIVED METALS
IN BED SEDIMENTS, ANIMAS RIVER WATERSHED, COLORADO S. E. CHURCH, D. M.
UNRUH, ANDD. L. FEY 55
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XII NINTH ANNUAL V. M. GOLDSCHMIDT CONFERENCE
HIGH-PRECISION LEAD-ISOTOPIC RECORD OF THELAST 350KA FROMAN
IRON-MANGANESE CRUST (121 DK) FROM THE NORTHEAST ATLANTIC
C. CLAUDE-IVANAJ, W. ABOUCHAMI, S. J. G. GALER, A. KOSCHINSKY, AND A. W.
HOFMANN 55
OXYGEN-ISOTOPIC FRACTIONATION BETWEEN MAGNETITE AND WATER D. R. COLE, J.
W. VALLEY, M. J. SPICUZZA, AND J. HORITA 56
STABLE ISOTOPIC FRACTIONATION ASSOCIATED WITH ANAEROBIC DEGRADATION OF
CHLORINATED HYDROCARBONS M. L. COLEMAN, T. J. MCGENITY, ANDM. C. P.
ISAACS 56
ACCURATE AND PRECISE ISOTOPIC RATIO MEASUREMENTS OF NBS 981 LEAD BY
MULTIPLE COLLECTOR INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY: WHY ARE
THE RATIOS DIFFERENT FROM THERMAL IONIZATION MASS SPECTROMETRY
MEASUREMENTS? K. D. COLLERSON AND Z. A. PALACZ 57
ION ASSOCIATION IN SODIUM CHLORIDE BRINES AT HIGH TEMPERATURES AND
PRESSURES: RESULTS FROM MOLECULAR DYNAMICS SIMULATIONS M. D. COLLINGS
AND D. M. SHERMAN 57
THE DOMINANCE OF THE RIVERINE PARTICULATE PHOSPHORUS FLUX IN SUPPLYING
PHOSPHATE TO THE OCEANS AND A 10,000-YEAR RESIDENCE TIME FOR PHOSPHORUS
A. S. COLMAN AND H. D. HOLLAND 58
ISOTOPIC EVIDENCE FOR GROUNDWATER HOW AND BIODEGRADATION OF ORGANIC
SOLVENTS AT THE
TEST AREANORTH SITE, IDAHO NATIONAL ENGINEERING AND ENVIRONMENTAL
LABORATORY M. E. CONRAD, D. J. DEPAOLO, D. L. SONG, ANDE. NEHER 58
REACTIVE MELT MIGRATION BENEATH THEMID-ATLANTIC RIDGE: EVIDENCE FROM ODP
LEG 153 GABBROS L. A. COOGAN, P. D. KEMPTON, AND A. D. SAUNDERS 59
EVIDENCE FOR THE ORIGIN OF OCEANIC OXIDE GABBROS BY CHANNELIZED MELT
FLOW THROUGH THE LOWER CRUST L. A. COOGAN, C. J. MACLEOD, S. J. EDWARDS,
ANDH. J. B. DICK 60
RESIDENCE OF MAGMA AT KILAUEA VOLCANO, HAWAI I: INTERNAL
THORIUM-230-RADIUM-226 ISOCHRON DATING OF THE 1955 EAST RIFT ERUPTION K.
M. COOPER, M. R. REID, R. C. ROBACK, M. T. MURRELL, ANDD. A. CLAGUE 60
APPLICATION OFCHARGE-RADIUS CONCEPTS TO TRACE ELEMENTS IN IGNEOUS AND
METAMORPHIC ZIRCON D. H. CORNELL, A. SCHERSTEN, P. HOSKIN, AND J.
LINDSAY 61
AT LEAST THREE CARBON-ISOTOPIC EXCURSIONS/GLACIATIONS IN THE
NEOPROTEROZOIC: CARBON-ISOTOPIC CHEMOSTRATIGRAPHY OF
NEOPROTEROZOIC-CAMBRIAN STRATA, SOUTHERN GREAT BASIN, USA F. A. CORSETTI
AND A. J. KAUFMAN 62
TRACE METALS IN SEDIMENTARY IRON SULFIDES: PRELIMINARY RESULTS C. F.
COTTNAM, I. B. BUTLER, ANDD. RICKARD 62
A SINGLE-SITE MODEL FOR METAL ADSORPTION OVER A RANGE OF SURFACE
COVERAGES L. J. CRISCENTI AND D. A. SVERJENSKY 63
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LPI CONTRIBUTION NO. 971 XIII
THE ORIGIN OF MINEWATERCONTAMINATION FROM THE CARBONIFEROUS COAL MEASURE
SEQUENCE IN THE UNITED KINGDOM 5. J. CROXFORD, S. A. BANWART, AND J. C.
CRIPPS 63
CONTROLS ON METAL TRANSPORT IN SEDIMENT-COVERED RIDGE-CRESTHYDROTHERMAL
SYSTEMS:
EXPERIMENTAL AND THEORETICAL CONSTRAINTS A. C. CRUSE AND J. S. SEEWALD
64
INTERLABORATORY DATA ON ELEMENTAL AND ISOTOPIC CARBON IN THE
CARBONACEOUS PARTICLE
REFERENCE MATERIAL, NIST SRM 1649A L. A. CURRIE, B. A. BENNER JR., R.
CARY, E. R. M. DRUFFEL, T. I. EGLINTON, P. C. HARTMANN,
J. D. KESSLER, D. B. KLINEDINST, G. A. KLOUDA, J. V. MAROLF C. A.
MASIELLO, A. PEARSON,
J. G. QUINN, C. M. REDDY, J. F. SLATER, ANDS. A. WISE 64
THERMAL OPTICAL ISOTOPIC ANALYSIS OF ELEMENTAL CARBON IN CARBONACEOUS
PARTICLES L. A. CURRIE AND J. D. KESSLER 65
SEA-LEVEL AND DEEP-OCEAN TEMPERATURE CHANGES SINCE THELAST INTERGLACIAL
FROM COMBINED PROTACTINIUM-231 AND THORIUM-230 DATING OF CORALS K. B.
CUTLER, R. L EDWARDS, F. W. TAYLOR, H. CHENG, J. ADKINS, C. D. GALLUP,
ANDG. S. BURR 65
THE NEODYMIUM-ISOTOPIC COMPOSITION IN A BOREAL RIVER: A REFLECTION OF
SELECTIVE WEATHERING AND COLLOIDAL TRANSPORT R. DAHLQVIST, P. S.
ANDERSSON, AND J. INGRI 66
OCCURRENCE OF TRACE ELEMENTS IN COAL ASH AND SLUDGE AMENDED SOILS IN
INDIA S. DATTA, B. HART, M. A. POWELL, W. S. FYFE, ANDS. TRIPATHY 66
HAFNIUM-ISOTOPIC TIME SERIES IN IRON-MANGANESE CRUSTS: A COMPARISON
BETWEEN
EHF AND END VARIATIONS K. DAVID, M. FRANK, N. S. BELSHAW, ANDR. K.
O NIONS 67
CRYSTAL ISOTOPIC STRATIGRAPHY USING LASER ABLATION J. P. DAVIDSON, F. J.
TEPLEY III, Z. PALACZ, ANDS. MEJFAN-MAIN
67
THE EFFECTOF MAGNESIUM AS AN IMPURITY ON CALCITE GROWTH: A MODEL SYSTEM
FOR BIOMINERALIZATION
K. J. DAVIS, P. M. DOVE, AND J. J. DE YOREO 68
PROTEROZOIC UNDERPLATING OF THEARCHEAN WYOMING CRATON AND MEDICINE HAT
BLOCK DURING ASSEMBLY OFWESTERN LAURENTIA W. J. DAVIS ANDG. M. ROSS 68
CARBON-ISOTOPIC AND NITROGEN ANALYSIS OFCARBONADO BY SECONDARY ION MASS
SPECTROMETRY
S. DE, P. J. HEANEY, E. P. VICENZI, AND J. WANG
69
VARIATIONS IN THE ISOTOPIC COMPOSITION OFMARINE CALCIUM OVER THE LAST
160 MILLION YEARS C. L. DE LAROCHA AND D. J. DEPAOLO 69
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XIV NINTH ANNUAL V. M. GOLDSCHMIDT CONFERENCE
PALEOZOIC PLUME IN THE NORTHEASTERN BALTIC SHIELD: DURATION FROM
RUBIDIUM-STRONTIUM DATA A. A. DELENITSYN, O. V. GOGOL, AND T. B.
BAYANOVA 70
STRONTIUM ISOTOPES, ALKALINITY FLUXES, AND CARBON DIOXIDE CONSUMPTION:
IS THERE A GENERAL RELATIONSHIP? L. A. DERRY AND C. FRANCE-LANORD 70
NATURE OFFLUXES FROM SUBDUCTED SLAB TO MANTLE WEDGE IN THE LESSER
ANTILLES ARC: ORIGIN OF M- AND C-SERIES BASALTS J. D. DEVINE, W. M.
WHITE, P. COPELAND, ANDD. R. GRAVATT 71
CARBON-ISOTOPIC RECORDS AND EXTINCTION-TRIGGERED ECOLOGICAL COLLAPSE
S.D HONDT 71
THE NATURE OF INTRUSION AND MELT TRANSPORT IN THE LOWER OCEAN CRUST AT
AN ULTRASLOW SPREADING RIDGE H. J. B. DICK, J. H. NATLAND, J. KINOSHITA,
P. ROBINSON, C. MACLEOD, A. KVASSNES, AND THE MODE 98 LEG IV, JR31, AND
ODP LEG SCIENTIFIC PARTIES 71
CARBON-ISOTOPIC BIOGEOCHEMISTRY OF AEROBIC BIODEGRADATION OF AROMATIC
HYDROCARBONS E. J. M. DIEGOR, T. A. ABRAJANO, T. PATEL, L. STEHMEIER,
AND J. GOW 72
DEVELOPMENT OF A HIGH-PRESSURE DIGESTION TECHNIQUE AND A DATA
ACQUISITION AND REDUCTION PROCEDURE AND THEIR APPLICATION TO THE
INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY ANALYSIS OF URBAN SEDIMENTS
AND SOILS W. G. DIEGOR, H. P. LONGERICH, T. A. ABRAJANO, AND I. HORN 72
INTERACTION OF SILICIC ACID WITH IRON OXIDES
M. DIETZEL 73
GEOCHEMICAL AND RARE-EARTH-ELEMENT CHARACTERISTICS OF FERRUGINOUS
SILICEOUS ROCKS OF BIKOU GROUP, QINLING, CHINA: IMPLICATIONS FOR ANCIENT
SEAFLOOR HYDROTHERMAL FLUID PROCESSES
Z J. DING, C. Q. LIU, H. Y. LI, ANDZ. S. YANG 74
PARTIAL MOLAR VOLUMES OF SIDEROPHILE ELEMENTS IN MELTS: IMPLICATIONS FOR
THE PRESSURE-DEPENDENCE OF METAL-SILICATE PARTITIONING D. B. DINGWELL,
P. COURTIAL, C. HOLZAPFEL, J. GOTTSMANN, A. HOLZHEID, ANDH. PALME 74
THE GEOCHEMISTRY AND PETROLOGY OF AN URBAN CANAL BED MUD J. S. DODD, A.
E. MILODOWSKI, D. J. LARGE, N. J. FORTEY, ANDS. J. KEMP 75
SOME COMPARATIVE GEOCHEMISTRY OFOCEANIC AND CONTINENTAL IGNEOUS ROCKS
B.R.DOE 75
ZINC ADSORPTION ON IRON(II)/IRON(III) SUBSTRATES PRODUCED BY MICROBIAL
REDUCTION OF HIGH-SURFACE-AREA GOETHITE R. J. DONAHOE, K. D. KIRK, AND
E. Y. GRAHAM 75
NITROGEN-ISOTOPIC VALUES AS A PROXY FOR LAND-USE PATTERNS IN THE
CONNECTICUT RIVER WATERSHED T. A. DOUGLAS, C. P. CHAMBERLAIN, AND R. R.
HARRINGTON 76
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LP1 CONTRIBUTION NO. 971 XV
NATURE AND ORIGIN OF THE LOWER CRUST OF CRATONIC EUROPE: XENOLITH SUITES
FROM THE BALTIC SHIELD AND EAST EUROPEAN PLATFORM H. DOWNES, A. J. W.
MARKWICK, AND P. D. KEMPTON 77
PRESIDENTIAL ADDRESS: FORMATION AND PRIMORDIAL DIFFERENTIATION OF THE
EARTH M. J. DRAKE 77
ON THE EARLY DIFFERENTIATION OF MARS G. DREIBUS 78
RAREEARTH ELEMENTS IN OCEANIC PHILLIPSITES A. V.DUBININ 78
KINETICS AND SURFACE MICROSTRUCTURAL EVOLUTION OF MICROBIALLY MEDIATED
SULFIDE DISSOLUTION:
IMPLICATIONS FOR MODELING ACID MINE DRAINAGE GENERATION K. J. EDWARDS,
M. M. MCGUIRE, R. J. HOMERS, AND J. F. BANFIELD 79
OXYGEN-ISOTOPIC EVIDENCE ON THE ORIGIN OF CHEMICAL VARIATION IN THE
SOURCES OF
NORMAL-MID-OCEAN-RIDGEBASALTS J. M. EILER, P. SCHIANO, N. KITCHEN, ANDE.
M. STOLPER 79
URANIUM-THORIUM-PROTACTINIUM CONSTRAINTS ON MELTING BENEATH THE MARIANA
ARC T. ELLIOTT AND G. KOETSIER 80
FUNDAMENTAL STUDIES OF PYRITE OXIDATION IN GASEOUS AND AQUEOUS
ENVIRONMENTS A. R. ELSETINOW, D. R. STRONGIN, ANDM. A. A. SCHOONEN 80
CRYSTALLIZATION, REPLACEMENT, ASSIMILATION, MELTING, AND INFILTRATION
PROCESSES THAT FORM THE
PLUTONIC FOUNDATION OF THE OCEANIC CRUST
D.ELTHON 80
THE SEARCH FOR THE PROTOSTOME-DEUTEROSTOME ANCESTOR: CONFLICT BETWEEN
PALEONTOLOGICAL AND MOLECULAR DATA D.HERWIN 81
SOME ABYSSAL PERIDOTITES ARE OLD! S. ESPERANCA, S. E. SICHEL, M. F.
HORAN, R. J. WALKER, T. JUTEAU, ANDR. HEKINIAN 81
EXPERIMENTAL METHODS FOR DETERMINING THE RATES OFCONTAMINANT RELEASE
FROM SPOIL MATERIAL AND DEEP MINES K. A. EVANS AND S. BANWART 82
HYDROTHERMAL SOURCE OF RADIOGENIC STRONTIUMTO HIMALAYAN RIVERS M. J.
EVANS, L.A. DERRY, ANDS. P.ANDERSON 82
HYDROGEN-ISOTOPIC FRACTIONATION BETWEENAMORPHOUS SILICA AND WATER AND
ITS IMPLICATION IN THE FORMATION OFEPITHERMAL QUARTZ K. FAURE AND Y.
MATSUHISA 83
THE IODINE-129 SYSTEM AND ITS POTENTIAL FOR DATING ORGANIC MATERIAL
U.FEHN 83
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XVI NINTH ANNUAL V. M. GOLDSCHMIDT CONFERENCE
ISOTOPIC EXCHANGE ENERGETICS AND MECHANISMS OF SILICA IN WATER FROM AB
INITIO CALCULATIONS
M. A. FELIPE, J. D. KUBICKI, ANDD. M. RYE 83
PROBING THE ELECTRICAL DOUBLE-LAYER STRUCTURE AT THE RUTILE-WATER
INTERFACE WITH X-RAY STANDING WAVES P. FENTER, L. CHENG, S. RIHS, M.
MACHESKY, P. GEISSBUHLER, M. J. BEDZYK, ANDN. C. STURCHIO 84
A NEW APPROACH OF DETERMINING THE FE3+/SFE IN MINERALS AND GLASSES WITH
THE ELECTRON MICROPROBE M. FIALIN AND C. WAGNER 85
STRATABOUND COPPER OCCURRENCES AT THE BASE OF THE MIOCENE IN
NORTHWESTERN SARDINIA, ITALY M. FIORI 85
PARAGENETIC ASSEMBLAGE OF HIGH SULFIDATION EPITHERMAL GOLD DEPOSIT OF
FURTEI, SARDINIA, ITALY M. FIORI AND S. M. GRILLO 85
ISOTOPIC EVIDENCE OF HISTORIC AND CHRONIC INPUTS OFCONTAMINANT LEAD IN
SAN FRANCISCO BAY
A. R. FLEGAL, D. J. STEDING, ANDC. E. DUNLAP 86
MOLECULAR-SCALE STUDIES OFARSENIC AND SELENIUM SORPTION ON HYDROUS
MANGANESE OXIDES A. L. FOSTER, G. E. BROWN JR., ANDG. A. PARKS 86
THE PERMIAN-TRIASSIC BOUNDARY IN AUSTRALIA: ORGANIC CARBON-ISOTOPIC
ANOMALIES RELATE TO ORGANOFACIES, NOT A BIOGEOCHEMICAL EVENT C. B.
FOSTER, G. A. LOGAN, ANDR. E. SUMMONS 87
THE TIMING OF PROGRADE METAMORPHISM IN THE HIMALAYA G. L. FOSTER, D.
VANCE, C. I. PRINCE, P. KINNY, ANDN. B. W. HARRIS 88
COPPER BIOMINERALIZATION: TOWARD QUANTIFYING THE EFFECTS OF BACTERIA ON
PRECIPITATION D. A. FOWLE, J. B. FEIN, K. M. KEMNER, B. A. BUNKER, S.
KELLY, ANDM. BOYANOV 88
HOW THE HIMALAYAN-TIBET UPLIFT AFFECTS THE CARBON CYCLE C.
FRANCE-LANORD, A. GALY, AND L. A. DERRY 89
A MORE CHONDRITIC ARCHEAN MANTLE? D. FRANCIS 89
LEAD- ANDNEODYMIUM-ISOTOPIC EVOLUTION OF WATERMASSES AT THE INDONESIAN
SEAWAY DURING THE LAST 35 MILLION YEARS M. FRANKANDR. K. O NIONS 90
SOUTHERN OCEAN RESPONSE TO LEAD- AND NEODYMIUM-ISOTOPIC CHANGES IN THE
NORTHWEST ATLANTIC DURING THE LAST 10 MILLION YEARS M. FRANKANDR. K.
O NIONS 90
UNRAVELING THE TECTONO-METAMORPHIC HISTORY IN THE ISUA SUPRACRUSTALS
(WEST GREENLAND): MINERAL LEAD STEPWISE LEACHING EVIDENCE FOR EARLY- AND
LATE ARCHEAN METASOMATIC-METAMORPHIC EVENTS R. FREI, M. T. ROSING, E. J.
KROGSTAD, M. STOREY, AND F. ALBAREDE 91
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LPI CONTRIBUTION NO. 971 XVII
SUSTAINABLE DEVELOPMENT: THE ROLE OF GEOCHEMISTRY W.S.FYFE 92
THE EFFECT OF A WATER-RICH SUBDUCTION COMPONENT ON MELT PRODUCTION IN
MANTLE PERIDOTITE G. A. GAETANI AND T. L. GROVE 92
OLIVINE-HOSTED MELT INCLUSIONS REMEMBER THE MAGMA CHAMBER, NOT THE
MANTLE G. A. GAETANI ANDE. B. WATSON 93
COSMOCHEMICAL DETERMINISM IN THE FORMATION OF HABITABLE PLANETS E. J.
GAIDOS 93
CLIMATE AND GEOCHEMICAL MODELING OF PROTEROZOIC GLACIATIONS E. J. GAIDOS
AND J. L. KIRSCHVINK 94
MOLECULAR INFERENCES IN THE ORIGIN OF OXIDANT-ASSOCIATED ENZYMES E. J.
GAIDOS, K. H. NEALSON, P. JAYAKUMAR, AND J. L. KIRSCHVINK 94
NEW THORIUM-230 DATA FROM BARBADOS FOSSIL CORALS: THE BEGINNING AND END
OF STAGE 5E AND THE TIMING AND AMPLITUDE OF EVENT 6.5 C. D. GALLUP, H.
CHENG, R. SPEED, ANDR. L. EDWARDS 94
HIGH-PRECISIONMAGNESIUM-ISOTOPIC RATIO MEASUREMENT BY MULTIPLE COLLECTOR
INDUCTIVELY
COUPLEDMASS SPECTROMETRY: A NEW TOOL IN COSMOCHEMISTRY AND GEOCHEMISTRY
A. GALY, L. HALICZ, N. S. BELSHAW, E. D. YOUNG, ANDR. K O NIONS 95
COMPLEXATION OF METALS WITH AQUEOUS SULFIDE IN AN ANAEROBIC TREATMENT
WETLANDS, BUTTE, MONTANA
C. H. GAMMONS 95
ARE OCEANIC NITROGEN AND PHOSPHORUS CYCLES LINKED BY DENITRIFICATION AND
PHOSPHOGENESIS IN UPWELLING MARGINS? R. S. GANESHRAM, T. F. PEDERSEN,
ANDS. E. CALVERT 96
PHOSPHATE AND ARSENATE COMPLEXATION AT THE SURFACE OF GOETHITE IN 0.7 M
SODIUM CHLORIDE SOLUTION Y. GAOANDA. MUCCI 96
EVIDENCED REDOX DISEQUILIBRIUM FROM IRON AND ARSENIC BEHAVIOR IN TAILING
LECHEATE (CHENI SITE, FRANCE) O. GASKOVA, M. AZAROUAL, F. BODENAN, ANDE.
GAUCHER 97
SUBCONTINENTAL MANTLE BELOW EIFEL, GERMANY: CONSTRAINTS BY NOBLE GASES
C. GAUTHERON, M. MOREIRA, J. KUNZ, J. L. JORON, M. KURZ, AND C. J.
ALLEGRE 97
ICELANDIC MANTLE STRUCTURE OR BASALT SEASONALITY?
M. A. M. GEE, M. F. THIRLWALL, R. N. TAYLOR, ANDB. J. MURTON 98
MINERAL FORMATION AND REDOX-SENSITIVE TRACE ELEMENTS IN A NEAR-SURFACE
HYDROTHERMAL ALTERATION SYSTEM A. U. GEHRING, P. M. SCHOSSELER, AND P.
G. WEIDLER 99
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XVIII NINTH ANNUAL V. M. GOLDSCHMIDT CONFERENCE
HYPERTHERMOPHILIC MICROORGANISMS IN ARSENIC-RICH HOT SPRINGS T. M.
GIHRING, G. K. DRUSCHEL, AND J. F. BANFIELD 99
THE EFFECT OF PH AND OXYGEN FUGACITY ON METAL MOBILITY BY
METAL-CARBOXYLATE COMPLEXES T.H.GIORDANO 99
BLACK CARBON IN TERRA PRETA SOILS OF THE BRAZILIAN AMAZON REGION B.
GLASER, G. GUGGENBERGER, L. HAUMAIER, ANDW. ZECH 100
MUONG NONG-TYPE AUSTRALASIAN TEKTITES: IMPLICATIONS REGARDING THE PARENT
MATERIAL AND SOURCE AREA B.P. GLASS 100
HOW DID THE GROWTH OF CONTINENTS INFLUENCE THE CHEMICAL AND ISOTOPIC
EVOLUTION OF PRECAMBRIAN OCEANS?
7. GODDERIS, J. VEIZER, AND L. M. FRANCOIS 100
EVIDENCE FOR RADIUM-BARIUM FRACTIONATION IN MID-OCEAN-RIDGE BASALT
PLAGIOCLASE: IMPLICATIONS FOR GEOCHRONOLOGY AND MANTLE MELTING S. J.
GOLDSTEIN, K. W. W. SIMS, K. M. COOPER, M. T. MURRELL, AND A. J. NUNN
101
STRONTIUM ISOTOPES IN SOUTH ATLANTIC DETRITUS: A SURFACE CURRENT PROXY
AND TRACER OF AGULHAS LEAKAGE S. L. GOLDSTEIN, S. R. HEMMING, S. KISH,
AND R. RUTBERG 101
FROM A HOT SPOT TO A COLD SPOT: SPATIAL CORRELOGRAM ANALYSIS OF
HELIUM-ISOTOPIC VARIATIONS ALONG THE SOUTHEAST INDIAN RIDGE D. W.
GRAHAM, F. J. SPERA, J. E. LUPTON, ANDD. M. CHRISTIE 102
ENVIRONMENTAL APPLICATIONS OF MULTIPLE COLLECTOR INDUCTIVELY COUPLED
PLASMA MASS SPECTROMETRY: MEASUREMENT OF LEAD-ISOTOPIC RATIOS IN
PRECIPITATION SAMPLES FROM THE GREAT LAKES AND EVERGLADES REGIONS J. R.
GRANEY, J. N. CHRISTENSEN, G. J. KEELER, A. N. HALLIDAY, M. S. LANDIS,
AND J. T. DVONCH 103
MEASUREMENTS OF SULFUR-32,33,34 IN ALLAN HILLS 84001 AND NAKHLA SULFIDES
BY MULTICOLLECTOR SECONDARY ION MASS SPECTROMETRY: IMPLICATIONS FOR
CRUSTAL-ATMOSPHERIC EXCHANGE AND BIOGENIC ACTIVITY ON MARS J. P.
GREENWOOD, S. J. MOJZSIS, C. D. COATH, AND J. T. WASSON 103
MAPPING THE SUBCONTINENTAL LITHOSPHERE WITH GARNET POPULATIONS W. L.
GRIFFIN, S. Y. O REILLY, N. I. FISHER, J. FRIEDMAN, C. G. RYAN, ANDE.
VANACHTERBERGH 104
THE HAFNIUM-ISOTOPIC COMPOSITION OF CRATONIC MANTLE: LASER ABLATION
MICROPROBE MULTIPLE COLLECTORINDUCTIVELY COUPLED PLASMA MASS
SPECTROMETRY ANALYSIS OF ZIRCON MEGACRYSTS IN KIMBERLITES W. L. GRIFFIN,
N. J. PEARSON, E. A. BELOUSOVA, S. E. JACKSON, E. VAN ACHTERBERGH,
S. Y. O REILLY, ANDS. R. SHEE 104
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LPI CONTRIBUTION NO. 971 XIX
HAFNIUM, LEAD, AND STRONTIUM ISOTOPES IN LIMA FROM THE JAGERSFONTEIN
KIMBERLITE: IN SITU ANALYSIS BY LASER ABLATION MICROPROBEMULTIPLE
COLLECTOR INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY W. L. GRIFFIN, N.
J. PEARSON, M. ZHANG, S. Y. O REILLY, ANDZ. WANG 105
ESTIMATION OF SORPTION OF TRACE METALS TO NATURAL SEDIMENTS J. GRIFFIOEN
AND P. VENEMA 106
SUBAQUEOUS SULFUR ERUPTIONS ATWAIOTAPU, NEW ZEALAND 5. T. GRIMES, D.
RICKARD, P. BROWNE, ANDS. SIMMONS 106
EXPERIMENTAL PYRITIZATION OF PLANT CELLS S. T. GRIMES, D. RICKARD, D.
EDWARDS, A. OLDROYD, L. AXE, AND K. DAVIES 107
STRONTIUM-ISOTOPIC DISTRIBUTION IN THE BROADLANDS-OHAAKI GEOTHERMAL
SYSTEM, NEW ZEALAND S. T. GRIMES, D. RICKARD, C. HAWKESWORTH, P. VAN
CALSTEREN, AND P. BROWNE 107
DENITRIFICATION DURING THE TOARCIAN OCEANIC ANOXIC EVENT AS RECORDED BY
NITROGEN-ISOTOPIC RATIOS OF BULK MARINE ORGANIC MATTER D. R. GROCKE
ANDH. C. JENKYNS 108
STABLE ISOTOPIC AND CARBON/NITROGEN RATIOS OF FOSSIL WOOD FROM THE
MESOZOIC: INSIGHTS INTO OCEAN-ATMOSPHERELINKS D. R. GROCKE, S. P.
HESSELBO, H. C. JENKYNS, G. TAYLOR, S. A. ROBINSON, ANDH.-J. SCHOFFEL
109
STRONTIUM-ISOTOPIC CALIBRATION OF AMMONITE SUBZONES IN THE JURASSIC AND
EARLY CRETACEOUS
D. R. GROCKE, S. P. HESSELBO, J. MUTTERLOSE, H. C. JENKYNS, R. L. HALL,
ANDS. M. ROBINSON 110
NOVEL COPPER OXIDE REACTION PRODUCTS OF THERMALLY ALTERED PINUS RESINOSA
WOOD J. A. GUDEMAN, J. BALDOCK, AND J. I. HEDGES 110
ADVANCES IN LEAD ISOTOPES IN THEHEALTH FIELD B.LGULSON ILL
EXPERIMENTAL MEASUREMENTS OF ACID-BASE BUFFERING PROPERTIES AND METAL
SORPTION BY LICHENS J. R. HAAS ILL
TWO-STEP LASER MASS SPECTROMETRY: A TOOL FOR THE CHEMICAL
CHARACTERIZATION AND SOURCE ASSIGNMENT OF BLACK CARBON O. P. HAEFLIGER,
R. ZENOBI, ANDT. D. BUCHELI 112
HIGH-PRECISION CALCIUM-ISOTOPIC RATIO MEASUREMENTBY MULTIPLE COLLECTOR
INDUCTIVELY
COUPLED MASS SPECTROMETRY: PRELIMINARY DATA OF CALCIUM-ISOTOPIC RATIOS
IN CARBONATES L. HALICZ,A. GALY, N. S. BELSHAW, ANDR. K. O NIONS 113
URANIUM IN KARST WATER IN THE GUIZHOU PROVINCE, CHINA G. L. HANAND C. Q.
LIU 113
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XX NINTH ANNUAL V. M. GOLDSCHMIDT CONFERENCE
OSMIUM-, NEODYMIUM-, AND STRONTIUM-ISOTOPIC SYSTEMATICS IN YOUNG,
FERTILE, AND WEAKLY METASOMATIZED SPINEL PERIDOTITE XENOLITHS FROM
NORTHERN QUEENSLAND, AUSTRALIA M. R. HANDLER AND V. C. BENNETT 114
BLACK SHALE WEATHERING AND THE MOBILITY OF OSMIUM ISOTOPES, RHENIUM, AND
PLATINUM GROUP ELEMENTS R. E. HANNIGAN AND B. PEUCKER-EHRENBRINK 114
SPECIATION AND BIOAVAILABILITY OF IRON IN LAKE KINNERET Y. HARELI, Y.
EREL, C. ROSIN, AND A. SUKENIK 115
THE RELEASE OF LEAD AND RARE EARTH ELEMENTS DURING GRANITOID DISSOLUTION
Y. HARLAVAN AND Y. EREL 115
VARIATIONS IN HELIUM-3/HELIUM-4 (R/RA) RATIOS IN AN ACTIVE RIFT ZONE:
HENGILL COMPLEX, ICELAND D. HARRISON, P. BURNARD, AND G. TURNER 115
A HELIUM-ISOTOPIC TEST FOR THE ORIGIN OF PLUME MANTLE UNDER THE NORTHERN
EAST SCOTIA RIDGE D. W. HARRISON, P. T. HEAT, ANDG. TURNER 116
INTRACRUSTAL PROCESSING OFVOLCANIC ARCS AS SHOWN BY OSMIUM-NEODYMIUM
STRONTIUM-ISOTOPIC VARIATIONS IN THE SOUTHERN CASCADE RANGE G. L. HART,
C. M. JOHNSON, S. B. SHIREY, M. A. CLYNNE, C. R. BACON, ANDR. L.
CHRISTIANSEN 117
PARTITIONING OFPYROGENIC AND PETROGENIC POLYCYCLIC AROMATIC HYDROCARBONS
IN NARRAGANSETT BAY SEDIMENTS P. C. HARTMANN AND J. G. QUINN 117
REACTIVITY OF BULK ORGANIC MATTER IN AQUIFER SEDIMENTS N. HARTOG AND J.
GRIFFIOEN 118
NITROGEN- AND CARBON-ISOTOPIC SYSTEMATICS WITHIN SIBERIAN DIAMONDS:
CONSTRAINTS FROM
SECONDARY ION MASS SPECTROMETRY AND FOURIER TRANSFORM INFRARED STUDIES
E. HAURI, D. G. PEARSON, G. BULANOVA, ANDH. J. MILLEDGE 118
CRUSTAL RECYCLING OR CORE-MANTLE INTERACTION? STABLE ISOTOPIC SIGNATURES
OFHAWAI IAN BASALTS E. HAURI, P. TOMASCAK, AND J. LASSITER 118
A HISTORY OF OCEAN SALINITY DURING THE PHANEROZOIC, BASED ON SEDIMENTARY
CYCLING W. W. HAY, S. FLOEGEL, ANDC. N. WOLD 119
DOES SURFACE STRUCTURE INFLUENCE H+ AND OH- ADSORPTION ON SILICATES IN
AN AQUEOUS MEDIUM? AN EXAMPLE BASED ON ALBITE AND ALBITE GLASS R.
HELLMANN 119
MOLYBDENUM(VI) SPECIATION AND KINETICS IN SULFIDIC WATERS G. R. HELZ AND
B. E. ERICKSON 120
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LPI CONTRIBUTION NO. 971 XXI
OSMIUM-ISOTOPIC ANALYSIS BY DYNAMIC MULTIPLE COLLECTOR INDUCTIVELY
COUPLED PLASMA MASS
SPECTROMETRY USING IRIDIUM-191 SIGNAL NORMALIZATION N. G. HEMMING, S. L.
GOLDSTEIN, ANDR. G. FAIRBANKS 120
NEODYMIUM-ISOTOPIC CONSTRAINTS ON DEEP OCEAN CIRCULATION DURING THE LATE
QUATERNARY 5. R. HEMMING AND S. L. GOLDSTEIN 121
LEAD-ISOTOPIC MEASUREMENTS OF SANIDINE MONITOR STANDARDS: IMPLICATIONS
FOR PROVENANCE
ANALYSIS AND TEPHROCHRONOLOGY S. R. HEMMING AND E. T. RASBURY 121
THE FOUNDATION SEAMOUNTS (SOUTH PACIFIC): GEOCHEMICAL EVIDENCE OF PAST
AND PRESENT RIDGE-HOTSPOT INTERACTIONS?
C. HEMOND, C. W. DEVEY, ANDM. MAIA 122
STABILITY OF ALLANITE TO HIGH PRESSURE-TEMPERATURE: IMPLICATIONS FOR
LIGHT RARE-EARTH-ELEMENT
BUDGET IN SUBDUCTED CRUST J. HERMANN 122
EXPERIMENTAL CONSTRAINTS ON CONTINENTAL ROCKS IN ULTRA-HIGH-PRESSURE
METAMORPHISM /. HERMANN AND D. H. GREEN 123
CUMULATE PROCESSES AND GEOCHEMICAL DIFFERENTIATION WITHIN OCEANIC LAYER
3 /. HERTOGEN 124
EXTRATERRESTRIAL HELIUM-3 FLUX RECORDED IN MARINE SEDIMENTS IN THE NORTH
PACIFIC AT ODP
SITES 885/886 OVER THE PAST 4 MILLION YEARS
S. M. HIGGINS, R. F. ANDERSON, F. MARCANTONIO, M. STUTE, AND P.
SCHLOSSER 124
HELIUM-ISOTOPIC INVESTIGATIONS OF SOURCE MIXING IN THE ICELANDIC MANTLE
D. R. HILTON, K. GRONVOLD, C G. MACPHERSON, AND P. R. CASTILLO 125
ACETATE AND CI COMPOUNDS ARE LARGELY IGNORED BY METHANOGENS IN NORTHERN
WETLANDS M. E. HINES, K. N. DUDDLESTON, R. B. REICH, ANDR. P. KIENE 125
A NEW APPROACH TO THE STUDY OF ANAEROBIC METHANE-OXIDIZING CONSORTIA IN
MARINE SEDIMENTS: BIOMARKERAND PHYLOGENETIC EVIDENCE K.-U. HINRICHS, E.
F. DELONG, AND J. M. HAYES 126
EXPERIMENTAL STUDY OF PARTIAL MELTS OF CLINOPYROXENITE AND THE ORIGIN OF
ULTRACALCIC MELT INCLUSIONS M. M. HIRSCHMANN AND P. SCHIANO 126
THERMODYNAMICS OFMOLECULAR HYDROGEN IN ANAEROBIC MICROBIAL ECOSYSTEMS T.
M. HOEHLER, M. J. ALPERIN, D. B. ALBERT, ANDC. S. MARTENS 127
TROPICAL CARBONATE 513C RECORD OF A NEOPROTEROZOIC SNOWBALLEARTH P. F.
HOFFMAN, G. P. HALVERSON, D. P. SCHRAG, G. SOFFER, AND A. J. KAUFMAN 127
TRACING WATER FLOWPATHS DURING A STORMEVENT USING
STRONTIUM-87/STRONTIUM-86 RATIOS
J. F. HOGANANDJ. D. BLUM
127
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XXII NINTH ANNUAL V. M. GOLDSCHMIDT CONFERENCE
IN SITU HAFNIUM-, URANIUM/LEAD-, AND LEAD/LEAD-ISOTOPIC ANALYSES OF
ZIRCONS AND
BADDELEYITE BY LASER ABLATION MULTIPLE COLLECTOR INDUCTIVELY COUPLED
PLASMA MASS SPECTROMETRY /. HORN, W. F. MCDONOUGH, ANDR. L. RUDNICK 128
MULTINUCLEAR NUCLEAR MAGNETIC RESONANCE INVESTIGATION OF THE STRUCTURE
AND DYNAMICS OF SURFACE AND INTERLAYER SPECIES OF HYDROTALCITE-LIKE
COMPOUNDS X. HOUANDR. J. KIRKPATRICK 129
OXYGEN-ISOTOPIC FRACTIONATION IN THE SYSTEM OFQUARTZ-NACL-CACL2-WATER AT
HIGH PRESSURE AND
HIGH TEMPERATURE G. HUANDR. N. CLAYTON 129
NONREACTIVE SOLUTE DISPERSION IN TRIASSIC SANDSTONE: LABORATORY
SIMULATION AND AN APPLICATION TO THE FIELD W. HUANG ANDD. N. LERNER 130
BIOREMEDIATION OF PETROCHEMICAL CONTAMINANTS IN UNSATURATED SOIL
W. HUANG, D. N. LERNER, ANDG. LI 130
EL NINO DURING THE LAST INTERGLACIAL PERIOD RECORDED BY A FOSSIL CORAL
FROM INDONESIA K. A. HUGHEN, D. P. SCHRAG, S. B. JACOBSEN, ANDW. HANTORO
130
LITHIUM AND ITS ISOTOPES IN RIVER WATER AND SUSPENDED MATERIAL Y. HUH,
L.-H. CHAN, AND J. M. EDMOND 131
A NICKEL CARBONATE ELEGY W. HUMMEL 131
TIMESCALE OF AQUEOUS ACTIVITY IN THE EARLY SOLAR SYSTEM /. D. HUTCHEON,
L. BROWNING, K. KEIL, A. N. KROT, D. L. PHINNEY, M. PRINZ, ANDM. K
WEISBERG 132
EXPERIMENTAL VERIFICATION OF STRATIFICATION FORMATION IN SOLIDIFYING
MEDIUM UNDER THE ACTION OF STANDING WAVE V. L. IL CHENKO 133
THE SYSTEMATIC EVOLUTION OF THE LANTHANIDE TETRAD EFFECT IN PERALUMINOUS
GRANITE SUITES W.IRBER 133
GEOCHRONOLOGY OF HIGH-GRADE METAMORPHISM IN NEW ZEALAND T. R.IRELAND 133
AGE OF THE LITHOSPHERIC MANTLE BENEATH AND AROUND THE SLAVE CRATON: A
RHENIUM-OSMIUM-ISOTOPIC STUDY OF PERIDOTITE XENOLITHS FROM THE JERICHO
AND SOMERSET ISLAND KIMBERLITES G. J. IRVINE, M. G. KOPYLOVA, R. W.
CARLSON, D. G. PEARSON, S. B. SHIREY, ANDB. A. KJARSGAARD 134
QUANTITATIVE LASER ABLATION MICROPROBE INDUCTIVELY COUPLED PLASMA MASS
SPECTROMETRY ANALYSIS OFTRACE ELEMENTS IN DIAMONDS S. E. JACKSON, R. M.
DAVIES, W. L. GRIFFIN, S. Y. O REILLY, ANDB. DOYLE 135
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LPI CONTRIBUTION NO. 971 XXIII
DETERMINATION OF HIGH-PRECISION ISOTOPIC RATIOS BY LASER ABLATION
MULTIPLE COLLECTOR INDUCTIVELY COUPLEDPLASMA MASS SPECTROMETRY S. E.
JACKSON, W. L. GRIFFIN, ANDN. J. PEARSON 135
ISOTOPES AND METHODS FOR MODELING OFGEOCHEMICAL CYCLES S. B. JACOBSEN
136
TOWARD A CONSISTENT EARLY SOLAR SYSTEM CHRONOLOGY S. B. JACOBSEN
137
STRONTIUM-, CARBON-, AND OXYGEN-ISOTOPIC VARIATIONS OF NEOPROTEROZOIC
SEAWATER S. B. JACOBSEN AND A. J. KAUFMAN 137
ON THE SEARCH FOR NEODYMIUM-142 IN TERRESTRIAL ROCKS E. JAGOUTZ AND R.
JOTTER 138
TEMPERATURE, PRESSURE, AND RHENIUM-OSMIUM AGE SYSTEMATICS OF OFF-CRATON
PERIDOTITE XENOLITHS FROM THE NAMAQUA-NATAL BELT, WESTERN SOUTH AFRICA
P. E. JANNEY, R. W. CARLSON, S. B. SHIREY, D. R. BELL, AND A. P. LEROEX
139
A NOVEL REACTOR TODETERMINE THE RATE OF PYRITE OXIDATION IN AIR J. K.
JERZANDJ. D. RIMSTIDT 139
ELEMENTAL GEOCHEMISTRY OFDOLOMITITE WEATHERING PROFILE AND ITS
IMPLICATION FOR COMPOSITION OF THE UPPER CONTINENTAL CRUST H. B. JI, S.
J. WANG, Z Y. OUYANG, ANDD. Q. ZHOU 140
ISOTOPIC SIGNATURES ACROSS THE FRASNIAN-FAMENNIAN BOUNDARY: EVIDENCE FOR
ENHANCED PRODUCTIVITY, WATERCOLUMN ANOXIA, AND VARIATIONS IN SEAWATER
TEMPERATURE M. M. JOACHIMSKI 141
LATE QUATERNARY PALEOENVIRONMENTS AND THE EXTINCTION OF THE AUSTRALIAN
MEGAFAUNA B. J. JOHNSON, G. H. MILLER, M. L. FOGEL, AND J. W. MAGEE 141
FATE OFCYANIDE USED IN PROCESSING OFGOLD ORES: NEW EVIDENCE FROM
ISOTOPIC MEASUREMENTS C. A. JOHNSON, D. J. GRIMES, AND R. O. RYE 141
DEVELOPMENT OFSELENIUMSTABLE ISOTOPES FOR ENVIRONMENTAL APPLICATIONS T.
M. JOHNSON, M. J. HERBEL, AND T. D. BULLEN 142
COMPARATIVE MAGMA OCEANOGRAPHY J.H.JONES 143
THE EARLIEST KNOWN OCCURRENCES OF CHARCOAL IN THE FOSSIL RECORD T. P.
JONES ANDN. P. ROWE 143
THE ROLE OF LOWER CRUSTAL DELAMINATION IN THE GENESIS OF CONTINENTAL
CRUST M. JULL AND P. KELEMEN 144
MELT GENERATION AND TRANSPORT: CONSTRAINTS FROM THE DEGLACIATION OF
ICELAND M. JULL, D. MCKENZIE, J. MACLENNAN, L. SLATER, AND K. GRONVOLD
144
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XXIV NINTH ANNUAL V. M. GOLDSCHMIDT CONFERENCE
THE EFFECT OF HYDROGEN BONDING ON THE STRUCTURE AND PROPERTIES OF
AQUEOUS HYDROTHERMAL FLUIDS: COMPUTER SIMULATION STUDIES A. G.
KALINICHEV 145
COMPUTER SIMULATIONS OF THE INTERLAYER STRUCTURE AND DYNAMICS
OFMIXED-METAL LAYERED HYDROXIDES A. G. KALINICHEV, R. J. KIRKPATRICK,
ANDR. T. CYGAN 145
MECHANISMS OF PYRITE OXIDATION REVEALED FROM IN SITU MEASUREMENTS OF
DISSOLVED OXYGEN, EH, AND PH OF SOLUTIONS IN A CLOSED SYSTEM G. KAMEI
AND H. OHMOTO 146
THE GENESIS OF SIDERITE IN ARCHEAN AND PALEOPROTEROZOIC OCEANS A. J.
KAUFMAN 146
LANTHANIDE TETRAD EFFECTS IN RARE-EARTH-ELEMENT FRACTIONATION AMONG
PARTICULATE, COLLOIDAL, AND SOLUTION FORMS IN RIVER WATER
/. KAWABE, I. OHNISHI, T. SAKAKIBARA, AND K. YAMOMOTO 147
CREATION, MODIFICATION, AND DESTRUCTION OF CONTINENTAL LITHOSPHERE IN
THE NEOGENE CENTRAL ANDES
S. M. KAY ANDR. W. KAY 147
COMPARISON OF CHEMICAL VARIATION IN GABBROS FROM OPHIOLITES, OCEANIC
CRUST, AND CONTINENTAL, IGNEOUS LAYERED INTRUSIONS P.B. KELEMEN 148
SPECULATION ON CONSEQUENCES OF DELAMINATION OF ULTRAMAFIE PLUTONIC ROCKS
FROM THE LOWER CRUST AND IMPLICATIONS FOR THE GENESIS OF THE CONTINENTAL
CRUST P. B. KELEMEN ANDM. JULL 148
UPDATED REVIEW OF MELT-EXTRACTION PROCESSES IN THE UPPER MANTLE BENEATH
OCEANIC SPREADING RIDGES AND INTRAPLATE VOLCANIC CENTERS P. B. KELEMEN,
G. HIRTH, ANDM. SPIEGELMAN 149
MANTLE FLOW AND GEOCHEMICAL HETEROGENEITY J. B. KELLOGG ANDR. J.
O CONNELL 150
GARNET GRANULITEXENOLITHS FROM THE NORTHERN BALTIC SHIELD: THE LOWER
CRUST OF A PALEOPROTEROZOIC LIP P. D. KEMPTON, H. DOWNES, L. NEYMARK, E.
V. SHARKOV, R. ZARTMAN, AND J. WARTHO 150
THE DEPLETED COMPONENTS OFMANTLE PLUMES: A
STRONTIUM-NEODYMIUM-LEAD-HAFNIUM STUDY OF THE NORTH ATLANTIC RIFTED
MARGIN P. D. KEMPTON, J. G. FITTON, A. D. SAUNDERS, G. M. NOWELL, R.
TAYLOR, AND B. S. HARDARSON 150
HALOGEN AND NOBLE GAS EVIDENCE FOR THE AGE AND ORIGIN OF MINERALIZING
FLUIDS IN COPPER-PORPHYRY DEPOSITS M. KENDRICK, R. BURGESS, R. PATTRICK,
ANDG. TURNER 151
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LP1 CONTRIBUTION NO. 971 XXV
MELT INCLUSIONS IN SUBDUCTION-RELATED BASALTS: AN EXAMPLE FROM THE
MARIANA ARC A. J. R. KENT AND T. ELLIOT 152
MERCURY SORPTION TO IRON- ANDALUMINUN-(HYDR)OXIDES AND SPECIATION IN
NATURAL SAMPLES C. S. KIM, G. E. BROWN JR., AND J. J. RYTUBA 152
MAJOR- AND TRACE-ELEMENT GEOCHEMISTRY OF SILICEOUS SHALE, MIDDLE MIOCENE
ONNAGAWA FORMATION (13-6 MA), JAPAN: CAUSES FOR VARIATIONS IN PRIMARY
PRODUCTIVITY AND REDOX S. K. KIMURAANDN. S. SHIKAZONO 153
STRUCTURE AND DYNAMICS OF SURFACE AND INTERLAYER SPECIES: A COMBINED
NUCLEAR MAGNETIC RESONANCE AND MOLECULAR MODELING PERSPECTIVE R. J.
KIRKPATRICK, P. YU, X. HOU, A. KALINICHEV, ANDR. T. CYGAN 154
CONTINENTAL GROWTH AND ENVIRONMENTS OF ARCHEAN CONTINENTAL CRUST: AN
EXAMPLE OF THE COASTAL PILBARA TERRAIN, WESTERN AUSTRALIA S. KIYOKAWA,
A. TAIRA, T. BYRNE, ANDY. SANO 154
HORIZONTAL DISTRIBUTIONS OF INORGANIC AND ORGANIC SULFUR IN ESTUARINE
SURFACE SEDIMENTS FROM TOYAMA BAY, JAPAN Y. KIYOSU, I. YAMAGUCHI, AND K.
KATSUYAMA 155
OXYGEN-ISOTOPIC ANALYSES OF DIAGENETIC CHERTS AND THE TEMPERATURE
HISTORY OF THE EARTH LP.KNAUTH 155
SALINITY HISTORY OF SEAWATER
LP.KNAUTH 156
FRACTIONATED CRUST OF MARS AS AN ADEQUATE RESPONSE TO ITS BODY WAVE
WARPING G. G. KOCHEMASOV 156
INTRUSION STRATIFICATION AS A RESPONSE TO CHANGES IN THE EARTH S
ROTATION RATE WITH VARIOUS PERIODS
G. G. KOCHEMASOV 157
CONSTRAINTS ON DIAGENETIC AGE DISTURBANCE: COMBINED
URANIUM-PROTACTINIUMAND URANIUM-THORIUM AGES OF THE KEY LARGO FORMATION,
FLORIDA KEYS, USA G. KOETSIER, T. ELLIOTT, AND C. FRUIJTIER 157
REDISTRIBUTION OF TRACE ELEMENTS DURING GARNET TO SPINEL PERIDOTITE
FACIES TRANSFORMATIONS K. T. KOGA, N. SHIMIZU, ANDT. L. GROVE 158
STABILITY OF HYDROSULFIDE COMPLEX AUHS0 IN GOLD-BEARING SOLUTIONS
G. R. KOLONIN, G. A. PAL YANOVA, ANDG. P. SHIRONOSOVA 158
MICROBIAL-SILICA INTERACTIONS IN MODEM HOT SPRING SINTER K. O.
KONHAUSER, V. R. PHOENIX, ANDD. G. ADAMS 159
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XXVI NINTH ANNUAL V. M. GOLDSCHMIDT CONFERENCE
THE ISOTOPIC COMPOSITION OF CONODONTS AND BRACHIOPODS AS PROXIES FOR
EVOLUTION OF TRIASSIC SEAWATER
C. KORTE, J. VEIZER, ANDH. KOZUR 160
ISOTOPIC STRUCTURE AND CRUST-FORMING EVENTS OF THE CENTAL ASIA: EVIDENCE
FOR EXTENSIVE
CONTINENTAL CRUST GROWTH IN THE PHANEROZOIC
V. P. KOVACH, V. I. KOVALENKO, V. V. YARMOLYUK, A. B. KOTOV, I. K
KOZAKOV,
ANDE. B. SALNIKOVA 160
EFFECT OFDESFERRIOXAMINE-B AND DFOMTA ON THE ADSORPTION OF LEAD AND
EUROPIUM ON THE GOETHITE SURFACE
S. M. KRAEMER, J. XU, K N. RAYMOND, ANDG. SPOSITO 160
THE INFLUENCE OF SOIL-RESPIRED CARBON DIOXIDE ON MINERAL WEATHERING AND
SOIL WATER GEOCHEMISTRY: RESULTS FROM NATURAL ANDEXPERIMENTAL (ELEVATED
CARBON DIOXIDE)
TEMPERATE FOREST ECOSYSTEMS T. C. W. KU, L. M. WALTER, J. M. BUDAI, G.
W. KLING, D. R. ZAK, ANDE. L. WILLIAMS 161
MOLECULAR MODELING OF SOOT AND INTERACTIONS WITH POLYCYCLIC AROMATIC
HYDROCARBONS J. D. KUBICKI 161
ISOTOPIC AGE OF MAIN GEOLOGICAL EVENTS OF THE KOLMOZERO-VORONJA
GREENSTONE BELT, KOLA PENINSULA, RUSSIA N. M. KUDRYASHOV 162
BLACK CARBON AND THE GLOBAL CARBON AND OXYGEN CYCLE T.A. J. KUHLBUSCH
163
AN ANALYTICAL METHOD FOR THE DETERMINATION OF DIFFERENT CARBON FRACTIONS
IN SOILS T. A. J. KUHLBUSCH, R. G. ZEPP, ANDS. E. TRUMBORE 163
RARE GASES CONSTRAIN MANTLE MIXING IN THE REUNION HOT SPOT J. KUNZ AND
C. J. ALLEGRE 164
TRACE-ELEMENT REDISTRIBUTION AND ASIAN DUST ACCUMULATION IN A HAWAI IAN
SOIL
CHRONOSEQUENCE A. C. KURTZ, L. A. DERRY, ANDO.A. CHADWICK 165
DYNAMICS OF THE GALAPAGOS HOTSPOT FROM HELIUM-ISOTOPIC GEOCHEMISTRY M.
D. KURZ, J. M. CURTICE, A. E. SAAL, ANDD. GEIST 165
INFLUENCE OF PRESSURE ON THE DIFFUSIVITY OF CARBON AND OXYGEN IN CALCITE
T. C. LABOTKA, D. R. COLE, AND L. R. RICIPUTI 165
OSMIUM-ISOTOPIC AND ABUNDANCE VARIATIONS IN MEXICAN ARC LAVAS:
CONSTRAINTS ON PARTITIONING OF OSMIUM IN ARC AND NON-ARC SETTINGS
J. C. LASSITER AND J. F. LUHR 166
TRACE-ELEMENT ANALYSIS OF SULFIDE AND SILICATE PHASES WITH
HIGH-RESOLUTION SECONDARY ION MASS SPECTROMETRY G. D. LAYNE AND N.
SHIMIZU 167
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LPI CONTRIBUTION NO. 971 XXVII
DELAMINATION OF CONTINENTAL LITHOSPHERE BENEATH AN ACTIVE MARGIN?
THERMOBAROMETRIC AND RHENIUM-OSMIUM-ISOTOPIC CONSTRAINTS FROM SIERRA
NEVADAN XENOLITHS C.-T. LEE, Q. Z. YIN, J. T. CHESLEY, R. L. RUDNICK, W.
F. MCDONOUGH, G. H. BRIMHALL JR., ANDS. B. JACOBSEN 167
METASEDIMENTS IN DIE LOWER CRUST: TECTONIC ORIGIN INFERRED FORM IN SITU
HAFNIUM-ISOTOPIC ANALYSES OF ZIRCONS IN AMETASEDIMENTARY XENOLITH C.-T.
LEE, Q. Z. YIN, I. HORN, R. L. RUDNICK, AND W. F. MCDONOUGH 168
NATROCARBONATITE PEDOGENESIS: LIMESTONE-TRONA (EVAPORITE)
VOLATILE-FLUXING AND SYNTECTIC REACTIONS REVISITED
D.R. LENTZ 168
CHLORINE-ISOTOPIC FRACTIONATION IN A SEQUENCE OF BLACK SHALES 5. M. LEV
ANDR. D. VOCKEJR. 169
GEOCHEMISTRY OF THE SHUIQUANGOU GOLD-BEARING ALKALINE METASOMATIC
COMPLEX IN NORTHWEST HEBEI, CHINA H. Y. LI, Z. S. YANG, Z. M. GOO, Z. J.
DING, ANDT. Y. LUO 170
HYDROXYL BEHAVIOR IN OXYHYDROXIDE PHASES (MOOH, M = AL, FE, MN) BASED ON
PERIODIC MOLECULAR ORBITAL CALCULATIONS
J.-J. LIANG ANDR. T. CYGAN 170
URANIUM-THORIUM-RADIUM-BARIUM SYSTEMATIC OF BALTICFERROMANGANESE
CONCRETIONS V. LIEBETRAU, A. EISENHAUER, N. GUSSONE, G. WORNER, ANDB. T.
HANSEN 171
AN ISOTOPIC STUDY OFGROUNDWATER IN GRANITIC TERRAINS (NORTHWEST
PORTUGAL) A. S. LIMA, M. O. SILVA, P. M. CARREIRA, ANDD. NUNES 171
TRACE-ELEMENT CHEMISTRY AND PETROGENESIS OF PERIDOTITE AND PYROXENITE
XENOLITHS FROM PLIOCENE BASANITES OF THE DZHILINDA RIVER, VITIM VOLCANIC
FIELD K. D. LITASOV, YU. D. LITASOV, A. S. MEKHONOSHIN, AND V. G.
MAL KOVETS 172
MELT POCKETS IN MANTLE XENOLITHS FROM ALKALI BASALTS OFVITIM AND UDOKAN
VOLCANIC
FIELDS, EAST SIBERIA
K. D. LITASOV, V. V. SHARYGIN, YU. D. LITASOV, ANDS. Z SMIRNOV 173
VARIATIONS IN CONCENTRATIONS OF DISSOLVED TRACE ELEMENTS IN RIVER WATER
OF GUIZHOU, CHINA
C. Q. LIU ANDG. L. HAN
173
THE CONTINENTAL EXHALATION OFCOPPER DEPOSITS FROMRED CLASTIC FORMATION
IN THE LANPING-SIMAO BASIN, WESTERN YUNNAN, CHINA J. LIU, C. LIU, C. LI,
J. PAN, AND T. ZHANG 174
THE CHARACTERISTICS OF ORE-BEARING CHERTFROM CAMBRIAN GOLD DEPOSITS AND
THEIR SEDIMENTARY ENVIRONMENTAL IMPLICATIONS IN WESTERN QINLING
MOUNTAINS, CHINA J. LIU, C. LIU, J. LIU, AND T. GU 174
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XXVIII NINTH ANNUAL V. M. GOLDSCHMIDT CONFERENCE
CHARACTERISTICS OF MANTLE METASOMATISM AND GEOCHEMICAL MECHANISM OF
PEDOGENESIS AND MINERALIZATION OF ALKALI-RICH PORPHYRIES X. LIU, Z. GAO,
J. LIU, X. ZHAN, C. LI, AND W. SU 174
XENOLITH EVIDENCE FOR TECTONIC UNDERPLATING OF SEDIMENTARY ROCKS AND
LAYERED COMPOSITIONS OF THE LOWER CRUST AT THE NORTHERN MARGIN OF THE
NORTH CHINA CRATON Y. S. LIU AND S. GAO 175
OSMIUM-ISOTOPIC COMPOSITIONS OF HOROMAN ULTRAMAFIC COMPLEX IN HOKKAIDO,
JAPAN Y. Z. LIU AND T. TANAKA 175
TERMINAL PROTEROZOIC BENTHIC MICROBIAL MATS AND THEIR ENVIRONMENTAL
SIGNIFICANCE G. A. LOGAN, C. R. CALVER, P. GORJAN, R. E. SUMMONS, J. M.
HAYES, ANDM. R. WALTER 176
EVALUATING SECULAR CHANGES IN SEAWATER CHEMISTRY T. K. LOWENSTEIN, M. N.
TIMOFEEFF, L. A. HARDIE, AND S. T. BRENNAN 176
ASSESSMENT OF HUMAN IMPACT ON A COASTAL EMBAYMENT, CEBU, PHILIPPINES:
ANALYSIS OF BAY WATER AND SEDIMENTS
A. R. LUCERO JR., M. E. S. LUPO, AND P. C. MOMONGAN 177
ZINC AND COPPER ISOTOPES AS TRACERS OFMETAL ORIGIN IN THE DISSOLVED AND
PARTICULATE LOADS OF RAIN J. M. LUCK, D. BEN OTHMAN, F. ALBAREDE, AND P.
TELOUK 177
HOW WELL CAN WE REALLY DO TIMESCALE GEOCHRONOLOGY WITH ZIRCON
URANIUM-LEAD? K. R. LUDWIG, R. MUNDIL, AND P. R. RENNE 178
HOW ALKALI BASALTS ASCENDING IN MELT CONDUITS CAN AFFECT MELTING IN
ADJACENT PERIDOTITE C. C. LUNDSTROM 178
ELECTROCHEMISTRY AND STRUCTURE OF YTTRIA-STABILIZED ZIRCONIA MEMBRANES
FOR POTENTIOMETRIC MEASUREMENTS IN HYDROTHERMAL SYSTEMS S. N. LVOV, G.
C. ULMER, X. Y. ZHOU, S. M. ULYANOV, L. G. BENNING, D. E. GRANDSTQFF,
M. MANNA, E. VICENZI, ANDH. L. BARNES 179
SULFURGEOCHEMISTRY OF THE MESOPROTEROZOIC BYLOT SUPERGROUP, NORTHERN
BAFFIN AND BYLOT ISLANDS, CANADA: LOCAL AND GLOBAL IMPLICATIONS T. W.
LYONS AND L. C. KAH 179
MINERALOGY AND GEOCHEMISTRY OF THE LATERITIC PROFILES IN SOUTH JIANGXI,
CHINA: IMPLICATIONS FOR SOURCE-AREA WEATHERING AND PROVENANCE
Y.J.MAANDC.Q. LIU 180
SEASONAL MIGRATION OF REDOX BOUNDARY AND ITS INFLUENCE ON WATER QUALITY
IN LAKE LUGU, YUNNAN, CHINA
Y.J.MAANDC.Q. LIU 180
VARIABILITY OF MERCURY AND PHOSPHORUS IN EVERGLADES PEAT CORES:
IMPLICATIONS FOR
MERCURY MOBILITY A. W. MACFARLANE AND C. ARFSTROM 181
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LP1 CONTRIBUTION NO. 971 XXIX
SEASONAL CHANGES IN LAKE MICHIGAN SEDIMENTMICROBIAL ACTIVITY: A MODEL
FOR TOP-DOWN CONTROL OF CARBON CONVERSION
B. J. MACGREGOR, M. MAURER, B. BAKER, D. P. MOSER, K. H. NEALSON, ANDD.
A. STAHL 181
MAGMA TRANSPORT AND STORAGE IN THE MELT LENS AND UNDERLYING CRYSTAL MUSH
AT FAST-SPREADING RIDGES: CONSTRAINTS FROM THE OMAN OPHIOLITE C. J.
MACLEOD, G. YAOUANCQ, R. M. THOMAS, L. A. COOGAN, ANDM. J. O HARA 182
TIMING OF MAMMAL-LIKE REPTILE EXTINCTIONS AND THE USE OF CARBON ISOTOPES
IN THE STUDY OF THE PERMIAN/TRIASSIC BOUNDARY K. G. MACLEOD, P. L KOCH,
R. H. M. SMITH, M. J. DE WIT, ANDN. A. RAKOTOSOLOFO 183
CALCIUM-ALUMINUM-RICHINCLUSIONS IN CHONDRITE METEORITES: THE CASE FOR
LOCAL PRODUCTION IN THE
SOLAR NEBULA
G. J. MACPHERSON 183
CONTAMINATION OF THE BUSHVELD COMPLEX THROUGH PROGRESSIVE PARTIAL
MELTING OF CRUSTAL WALLROCKS W. MAIER, N. T. ARNDT, E. CURL, ANDM.
OHNENSTETTER 184
EXPERIMENTAL STUDY OF PYRITE OXIDATION BY DISSOLVED OXYGEN: OXIDATION
MODEL BASED ON SURFACE OBSERVATIONS
M. MANAKA AND H. OHMOTO 184
WHAT DO WE LEARN FROM PEAKS OF URANIUM AND MANGANESE IN DEEP SEA
SEDIMENTS? A. MANGINI 185
ACCESSORY MINERALS AND TRACE-ELEMENT FRACTIONATION IN GRANITES J.
MAREELS, M. VERHAEREN, AND J. HERTOGEN 185
SILL STACK MUSH COLUMN MAGMATISM B.D. MARSH 185
THE POLYCYCLIC AROMATIC HYDROCARBONS AND BIOMARKERS INCARBONACEOUS
MATTER OF KIMBERLITE PIPE MIR AND HOSTED SEDIMENTARY ROCKS D. KH.
MARTIKHAEVA, E. A. RAZVOZZHAEVA, A. G. POLOZOV, AND A. E. VORONTSOV 186
PALEOGEOGRAPHIC RECONSTRUCTION OF A PALEOCENE CARBONIFEROUS BASIN (LOS
CUERVOS FORMATION, TACHIRA STATE, VENEZUELA) BY USING TRACE-ELEMENT
CONTENT AND GEOSTATISTICAL ANALYSIS OF COALS M. MARTINEZ, M. ESCOBAR,
AND C. LOPEZ 186
IDENTIFICATION OF MICROBIAL METHANE DEPOSITS VIA CORE ANALYSIS A. M.
MARTINI, L. M. WALTER, J. C. MCINTOSH, AND J. M. BUDAI 187
GOLDSCHMIDT S LEGACY: BRIAN MASON S CONTRIBUTIONS TO GEOCHEMISTRY AND
METEORITICS U.B.MARVIN 187
BLACK CARBON (CARBON-14) IN THE SANTA MONICA BASIN: RIVERINE DELIVERY
AND SEDIMENTARY ACCUMULATION C. A. MASIELLO, E. R. M. DRUFFEL, AND S.
GRIFFIN 188
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XXX NINTH ANNUAL V. M. GOLDSCHMIDT CONFERENCE
A NEW METHOD FOR IN SITU HIGH-PRECISION SULFUR-ISOTOPIC RATIO
MEASUREMENTS BY LASER ABLATION MULTIPLE COLLECTOR INDUCTIVELY COUPLED
PLASMA MASS SPECTROMETRY P. R. D. MASON, C.-J. DEHOOG, ANDS. MEFFAN-MAIN
188
THE LOMAGUNDI CARBON-ISOTOPIC ANOMALY REVISITED: EXTREMELY HIGH
S13CEXCURSION IN CONTINENTAL AND MARINE CARBONATE ROCKS OF THE CIRCA
2.1-GA MAGONDI SUPERGROUP, ZIMBABWE S. MASTER, B. TH. VERHAGEN, AND J.
D. KRAMERS 189
COMPARISON OF DEPTH PROFILES FOR LIGHT RARE-EARTH-ELEMENT TETRAD EFFECT
IN REPRESENTATIVE OCEANS A. MASUDA AND J. SHIMODA 189
RHENIUM-OSMIUM EVIDENCE FOR CRUSTAL INFLUENCES ON PORPHYRY COPPER
SULFIDES AND DURATION OF MINERALIZATION
R. MATHUR, J. RUIZ, AND F. MUNIZAGA 190
HAFHIUM-ISOTOPIC CONSTRAINTS ON THE SOURCE OF KERGUELEN ARCHIPELAGO
LAVAS N. MATTIELLI, J. BLICHERT-TOFT, D. WEIS, D. DAMASCENO, J. S.
SCOATES, F. A. FREY, F. ALBAREDE, AND A. GIRET 190
DISSOLUTION OF ALUMINUM-SUBSTITUTED GOETHITES BY AN AEROBIC PSEUDOMONAS
MENDOCINO VAR. BACTERIA
P. A.MAURICE, Y.-J. LEE, ANDL. HERSMAN 191
THE SULFIDE CAPACITIES OF HAPLOBASALTIC AND BASALTIC SILICATE MELTS AT
1400C AND 1 BAR J. A. MAVROGENES AND H. ST. C. O NEILL 191
TRACING THE FATE OF ANTHROPOGENIC NITROGEN IN LARGE WATERSHEDS BY
ISOTOPIC TECHNIQUES B. MAYER AND C. HEINZER 192
SULFUR- AND RHENIUM-OSMIUM-ISOTOPIC SYSTEMATICS IN PRECAMBRIAN SEAFLOOR
MASSIVE SULFIDES T. E. MCCANDLESS, R. D. MATHUR, C. J. EASTOE, AND A.
KONTINEN 192
NEW DEVELOPMENTS IN IN SITU ANALYSES: HARVARD UNIVERSITY S LASER
ABLATION INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY (QUAD AND
MULTICOLLECTOR) LABORATORY W. F. MCDONOUGH, R. L. RUDNICK, AND I. HORN
193
SURFACE CHEMISTRY OF SULFIDE MINERALS DURING OXIDATIVE DISSOLUTION M. M.
MCGUIRE, K. J. EDWARDS, J. F. BANFIELD, ANDR. J. HAMERS 193
CHEMICAL AND ISOTOPIC EVIDENCE FOR PLEISTOCENE RECHARGE TO
SILURIAN-DEVONIAN AQUIFERS, ILLINOIS BASIN
J. C. MCINTOSH, L. M. WALTER, J. M. BUDAI, AND A. M. MARTINI 194
GEOCHEMICAL EVIDENCE FOR SEDIMENTARY SILICA ON MARS S.M. MCLENNAN I 194
COPPER-CHLORIDE COMPLEXING IN HYDROTHERMAL BRINES D. C. MCPHAIL, J.
BRUGGER, W. LIU, L. SPICCIA, AND J. BLACK 195
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LP1 CONTRIBUTION NO. 971 XXXI
THREE PALAEOPROTEROZOIC POSITIVE ISOTOPIC EXCURSIONS OF CARBONATE
CARBON-13/CARBON-12: STILL A PARADOX
V. A. MELEZHIK AND A. E. FALLICK 196
ISOTOPIC COMPOSITION OF CONCRETIONARY SULFIDES FROM THE 2000-MA
NONEUXINIC BASIN, PECHENGA
GREENSTONE BELT, NORTHWEST RUSSIA V. A. MELEZHIK, L. N. GRINENKO, AND A.
E. FALLICK 196
EVOLUTION OF MINERAL AND GLASS SURFACE ROUGHNESS WITH DISSOLUTION N. P.
MELLOTT, S. L. BRANTLEY, ANDC. G. PANTANO 196
SOURCE DISCRIMINATION OF ATMOSPHERIC AEROSOLS AT ALERT, ARCTIC CANADA
DURING 1994-1995 USING A YEAR-LONG RECORD OF LEAD-ISOTOPIC AND
TRACE-ELEMENT DATA G. MERCIER, C. GARIEPY, LA. BARRIE, AND A. SIMONETTI
197
ANOMALOUS XENON IN THE PRECAMBRIAN NUCLEAR REACTOR IN OKELOBONDO
(GABON): A POSSIBLE CONNECTION TO THE FISSION COMPONENT IN THE
TERRESTRIAL ATMOSPHERE A. P. MESHIK, K. KEHM, ANDC. M. HOHENBERG 198
H20 CHARACTERISTICS OFMANTLE ENDMEMBERS: EVIDENCE FROMMID-OCEAN-RIDGE
BASALTS AND OCEAN ISLAND BASALTS P.J.MICHAEL 198
EXPERIMENTAL STUDY OF CASSITERITE SOLUBILITY IN
HYDROGEN-CHLORIDE-BEARING WATER VAPOR A. A. MIGDISOV AND A. E.
WILLIAMS-JONES 199
THE MASS-DEPENDENT OXYGEN-ISOTOPIC FRACTIONATION LINE: NEW MEASUREMENTS
AND THE NEED FOR A REPORTING CONSENSUS M. F. MILLER, I. A. FRANCHI, AND
C. T. PILLINGER 200
THE RIVERINE DISCHARGE OFBLACK CARBON INTO COASTAL SEDIMENTS OF THE GULF
OF MEXICO S. MITRA, T. S. BIANCHI, AND B. A. MCKEE 200
RARE-EARTH-ELEMENT AND STRONTIUM-ISOTOPIC STUDY OF THE MIDDLE PERMIAN
LIMESTONE-DOLOSTONE
SEQUENCE IN KUZUU AREA, CENTRAL JAPAN N. MIURA, Y.ASAHARA, AND I. KAWABE
201
GEOCHRONOLOGICAL STUDIES OF THE OLDEST KNOWN MARINE SEDIMENTS S. J.
MOJZSIS AND T. M. HARRISON 201
GEOCHEMISTRY OF THE THERMAL WATERS AND ASSOCIATED TRACE ELEMENTS IN
FALCON STATE, VENEZUELA R. L MONTERO, M. MARTINEZ, W. G. MELENDEZ, ANDG.
GARBDN 202
NOBLE GAS CONSTRAINTS ON DEGASSING PROCESSES M. M MOREIRA AND P. SARDA
202
KINETICS OF 40AR, H20, H2 RELEASE DURING GLAUCONITE HYDROTHERMAL
TRANSFORMATION /. M. MOROZOVA, A. V. MASLENIKOV, ANDL K. LEVSKY 203
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XXXII NINTH ANNUAL V. M. GOLDSCHMIDT CONFERENCE
URANIUM-LEAD ZIRCON SYSTEM DURING THE ALKALINE METASOMATISM: NATURAL AND
EXPERIMENTAL MODELING /. M. MOROZOVA, N. G. RIZVANOVA, AND L. K. LEVSKY
203
OXYGEN-SULFUR-ISOTOPIC MEASUREMENT IN CONTINUOUS FLOW MODE: APPLICATION
TO THE
ORIGIN OFDISSOLVED SULFATES IN HIMALAYAN RIVERS USING ELEMENTAL ANALYZER
STABLE
ISOTOPE RATIO MASS SPECTROMETRY J. MORRISON, C. FRANCE-LANORD, AND A. C.
PIERSON-WICKMANN 203
SUBOXIC NITRIFICATION IN RECENT SEDIMENTS FROM A SCOTTISH SEA LOCH R. J.
G. MORTIMER, M. D. KROM, P. HAYES, AND I. M. DAVIES 204
ISOTOPIC EVOLUTION OF KAUAI SHIELD-STAGE LAVAS S. MUKHOPADHYAY, J. C.
LASSITER, S. W. BOGUE, AND K. A. FARLEY 204
COMPARISON BETWEEN BLACK CARBON DISTRIBUTION IN ALPINE LACUSTRINE AND
COASTAL MARINE SEDIMENTS G. MURI, B. CERMELJ, J. FAGANELI, AND A.
BRANCELJ 205
DIFFERENTIAL WEATHERING OF GRANITIC QUARRY SAMPLES AND MONUMENT STONES
M. NASRAOUI, N. CLAUER, ANDM. I. PRUDINCIO 205
DIFFERENTIATION BY DEFORMATION IN THE OCEAN CRUST J. H. NATLAND AND H.
J. B. DICK 206
ORIGIN OFDEEP-SEATED HYDROTHERMAL BRINES IN NORTHERN GERMANY:
GEOCHEMISTRY OF GASES AND ISOTOPES D. NAUMANN, J. ERZINGER, ANDE. FABER
206
ROLE OF WATER IN ENERGETICS OF ZEOLITES AND LAYERED MATERIALS A.
NAVROTSKY 207
PROBING THE INTERIORS OF THE TERRESTRIAL PLANETS: DATA FROM THE MOON AND
MARS C. R. NEAL, J. C. ELY, AND J. C. JAIN 207
THE ONTONG JAVA PLATEAU: EVIDENCE OF A DEEP EARTH ORIGIN C. R. NEAL, J.
C. ELY, A. L BIRKHOLD, J. C. JAIN, J. J. MAHONEY, ANDR. A. DUNCAN 208
GEOCHRONOLOGICAL CONSTRAINTS ON THE SOURCE OF CONTINENTAL ROCKS FROM THE
KERGUELEN PLATEAU, ODP SITE 1137, ELAN BANK
K E. NICOLAYSEN, D. WEIS, F. A. FREY, S. A. BOWRING, M. F. COFFIN, AND
THE LEG 183 SHIPBOARD SCIENTIFIC PARTY 208
TRACE-ELEMENT VARIATIONS IN MANTLE WEDGE PERIDOTITES ABOVE MODEM
SUBDUCTION ZONES Y. NIU, R. L FISHER, AND J. W. HAWKINS 209
PLATINUM-GROUP-ELEMENT AND RHENIUM ABUNDANCES IN HAWAI IAN PICRITES:
COMPOSITIONAL VARIATIONS IN THE MANTLE PLUME AND POSSIBLE SECONDARY
MOBILITY M. D. NORMAN, V. C. BENNETT, ANDM. O. GARCIA 210
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LP1 CONTRIBUTION NO. 971 XXXIII
HYDROCARBON SPECIATION IN CARBON-OXYGEN-HYDROGEN FLUIDS DURING
SERPENTINIZATION C. NORMAND AND A. E. WILLIAMS-JONES 210
HAFNIUM-ISOTOPIC SYSTEMATICS OF KIMBERLITES, LAMPROITES, AND MEGACRYSTS:
IMPLICATIONS FOR MANTLE RESERVOIRS AND THE COMPOSITION OFBULK SILICATE
EARTH G. M. NOWELL, D. G. PEARSON, ANDP. D. KEMPTON 211
HAFNIUM-ISOTOPIC ANALYSIS OF KIMBERLITE MEGACRYSTS BY LASER ABLATION AND
SOLUTION MODE PLASMA IONIZATION MULTICOLLECTOR MASS SPECTROMETRY:
EVIDENCE FOR A CONTRIBUTION FROM A DEEP MANTLE COMPONENT IN KIMBERLITES
AND MEGACRYST MAGMAS? G. M. NOWELL, D. G. PEARSON, P. D. KEMPTON, R. W.
CARLSON, D. BELL, ANDR. E. ZARTMANN 212
THE EFFECT OF GROWTH RATE, (U/CA)AQ, AND MG2+ ON URANYL ION
COPRECIPITATION WITH CALCITE M. NUGENT ANDR. J. REEDER 213
GEOLOGICAL CONSTRAINTS ON INTERPRETING EARLY ARCHEANMINERAL AND
WHOLE-ROCK ISOTOPIC DATA:
CASE HISTORY FROM THE ITSAQ GNEISS COMPLEX, GREENLAND A. P. NUTMAN, V.
C. BENNETT, AND C. R. L FRIEND 213
EVALUATION OF HUMAN IMPACT ON LACUSTRINEENVIRONMENTS AND ECOSYSTEMS IN
THE TWENTIETH CENTURY BY USING STABLE ISOTOPIC RATIOS OF FISH SPECIMENS
N. O. OGAWA, H. ODA, T. NAKAMURA, N. OHKOUCHI, N. S. SMIRNOVA-ZALUMI, V.
V. SMIRNOV, N. G. MELNIK, N. A. BONDARENKO, T. KOITABASHI, AND E. WADA
214
ORGANIC CARBON AND NITROGEN ISOTOPES AS SOURCE INDICATORS OF ORGANIC
MATTER PRESERVED IN SEDIMENTS OF THE GULF OF TRIESTE (NORTH ADRIATIC) N.
OGRINC, G. FONTOLAN, J. FAGANELI, ANDS. COVELLI 214
SULFUR-ISOTOPIC RECORDS AROUND LIVELLO BONARELLI BLACKSHALE AT THE
CENOMANIANTURONIAN BOUNDARY N. OHKOUCHI, Y. KAJIWARA, AND A. TAIRA 214
CARBON-ISOTOPIC RECORDS OFMARINE AND TERRESTRIAL BIOMARKERS IN THE
SOUTHERN OCEAN SEDIMENTS ./V. OHKOUCHI, K. KAWAMURA, N. TAKEMOTO, M.
IKEHARA, ANDT. NAKATSUKA 215
DOES SIDERITE CONSTRAIN THE PC02 AND P02 LEVELS OF THE ARCHEAN
ATMOSPHERE? H. OHMOTO 215
EXPERIMENTAL STUDY OF DISTRIBUTION COEFFICIENTS OF RARE EARTH ELEMENTS
BETWEEN IRON-MANGANESE
DEPOSITS AND SEAWATER IN VIEW OF RARE-EARTH-ELEMENT(III)-CARBONATE
COMPLEXATION CONSTANTS A. OHTA AND I. KAWABE 216
A CHEMICALWEATHERING STUDY OF A SMALL MOUNTAINOUS GRANITIC WATERSHED
(ESTIBERE, FRANCE): WATER CHEMISTRY, SOIL AND ROCK MINERALOGY, AND
STRONTIUM-87/STRONTIUM-86-ISOTOPIC COMPOSITION P. OLIVA, B. DUPRE, M.
REMAURY, T. GAUQUELIN, F. MARTIN, AND J. DARROZES
216
THE EFFECT OF MELT COMPOSITION ON THE ACTIVITY COEFFICIENTS OF SOME
SIDEROPHILE ELEMENT COMPONENTS (FEO, NIO, COO, MO02, MO03, AND W02) IN
MELTS IN THE CMAS SYSTEM H. ST. C. O NEILL ANDS. M. EGGINS 217
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XXXIV NINTH ANNUAL V. M. GOLDSCHMIDT CONFERENCE
ATMOSPHERIC C02 LEVELS DURING THELATE MIOCENE AND THEEXPANSION OF C4
GRASSES M. PAGANI, K. H. FREEMAN, ANDM. A. ARTHUR 218
NEW GEOCHEMICAL (MAJOR- AND TRACE-ELEMENT, INCLUDING RARE-EARTH-ELEMENT)
DATA FROM PRONTO MINE AND VILLE MARIE WEATHERING PROFILES IN ONTARIO AND
QUEBEC, CANADA: ELEMENTAL MOBILITY DURING PALEOPROTEROZOIC WEATHERING OF
ARCHEAN GRANITIC BASEMENT A. PANAHI AND G. M. YOUNG 218
MOLECULAR SIMULATION OFMETHANE HYDRATE STRUCTURE AND DYNAMICS IN
MONTMORILLONITE INTERLAYERS S.-H. PARK AND G. SPOSITO 218
THE ROLE OF H20 IN CONTROLLING THE COMPOSITION OFHIGH-DEGREE MANTLE
MELTS S. W. PARMANANDT. L GROVE 219
LASER ABLATION PLASMA IONIZATION MULTICOLLECTOR MASS SPECTROMETRY: A NEW
METHOD FOR INTRACRYSTAL URANIUM-THORIUM-LEAD GEOCHRONOLOGY
USINGMICROSAMPLING TECHNIQUES
R. PARRISH, M. HORSTWOOD, G. NOWELL, S. NOBLE, H. TIMMERMANN, P. SHAW,
AND I. BOWEN 219
CRUSTAL GROWTH MECHANISMS: THE ROLE OF TRANSFORM CONTINENTAL MARGINS P.
J. PATCHETT AND C. G. CHASE 220
RADIOGENIC ISOTOPES AND CLASTIC SEDIMENTS P. J. PATCHETT, G. M. ROSS, J.
D. VERVOORT, J. BLICHERT-TOFT, AND F. ALBAREDE 220
OPEN SYSTEM MODELS OF LEAD-ISOTOPIC EVOLUTION OF THEEARTH D. PAULAND W.
M. WHITE 221
GREENHOUSE WARMING BY CH4 IN THE ARCHEAN ATMOSPHERE A. A. PAVLOV AND J.
F. KASTING 222
RADIOCARBON EVIDENCE FOR AUTOTROPHIC METABOLISM IN MARINE PLANKTONIC
ARCHAEA A. PEARSON, T. I. EGLINTON, AND J. M. HAYES 222
ISOTOPE DILUTION INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY ANALYSES
OF RHENIUM-OSMIUM ISOTOPES AND PLATINUM GROUP ELEMENTS VIA
SOLVENT-EXTRACTION AND ANION-EXCHANGE PRECONCENTRATION AND A DESOLVATING
NEBULIZER D. G. PEARSON AND S. J. WOODLAND 222
THE DEEP SOURCES OFPLUMES: RHENIUM-OSMIUM-PLATINUM-OSMIUM-ISOTOPIC AND
PLATINUM-GROUP-ELEMENT SYSTEMATICS OF HIGH HELIUM-3/HELIUM-4 WEST
GREENLAND PICRITES D. G. PEARSON, L. M. LARSEN, R. J. WALKER, S. J.
WOODLAND, A. K. PEDERSEN,
R. W. CARLSON, ANDS. B. SHIREY 223
MAGMATIC PROCESSES OPERATING IN THE LOWERMOST OCEANIC CRUST: EXAMPLES
FROM THE LEKA OPHIOLITE COMPLEX (NORWAY) R. B. PEDERSEN ANDB. TIKOFF 223
DISSOLUTION AND GROWTH OF THE ALUMINA MINERALS GIBBSITE, DIASPORE, AND
BOEHMITE STUDIED USING ATOMIC FORCE MICROSCOPY C. D. PESKLEWAY, G. S.
HENDERSON, ANDF. J. WICKS 224
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LP1 CONTRIBUTION NO. 971 XXXV
PLATINUM-GROUP-ELEMENT CONCENTRATIONS AND OSMIUM-ISOTOPIC RATIOS IN
LOESS: A PROXY FOR THE
ERODING UPPER CONTINENTAL CRUST? B. PEUCKER-EHRENBRINK AND B. M. JAHN
224
PHOTOSYNTHESIS INFLUENCES SILICA BIOMINERALIZATION V. R. PHOENIX, K. O.
KONHAUSER, ANDD. G. ADAMS 225
THE OSMIUM BUDGET OFHIMALAYANRIVER SEDIMENTS AND SOILS: IMPORTANCE
OFBLACK SHALE EROSION A.-C. PIERSON-WICKMANN, L REISBERG, AND C.
FRANCE-LANORD 225
MICROBIAL COMMUNITIES IN CHARCOAL FROM WILDFIRE AND THE UNDERLYING HUMUS
J. PIETIKAINEN, O. KIIKKILA, ANDH. FRITZE
226
URANIUM-238-THORIUM-230-RADIUM-226 DISEQUILIBRIA IN HISTORICAL KILAUEA
VOLCANO LAVAS:
MANTLE MELTING WITHIN THE HAWAI IAN PLUME A. J. PIETRUSZKA, K. H. RUBIN,
ANDM. 0. GARCIA 226
A HAFNIUM-ISOTOPIC COMPOSITION RECORD OF THE CENTRAL INDIAN OCEAN
FROMFERROMANGANESE CRUSTS A. M. PIOTROWSKI, D-C. LEE, A. N. HALLIDAY, J.
N. CHRISTENSEN, AND J. R. HEIN 227
CONSTRAINTS FROM THORIUM/LANTHANUM ON THE EVOLUTION OF THE CONTINENTS
T. PLANK 228
AN EARTH-SYSTEM SCIENCE APPROACH TO UNDERSTANDING, PREDICTING,
MITIGATING, AND REMEDIATING METAL MOBILITY FROM MINES AND UNMINED
MINERAL DEPOSITS G. S. PLUMLEE ANDM. J. LOGSDON 228
RHENIUM-OSMIUM-ISOTOPIC SYSTEMATICS OF SEVERAL DECCAN ALKALINE COMPLEXES
A. POIRIER, L. REISBERG, A. SIMONETTI, C. GARIEPY, AND S. L GOLDSTEIN
228
CHEMICAL STRUCTURE OF THE REFRACTORY ORGANIC FRACTION ISOLATED FROM A
FOREST SOIL (LACADEE, SOUTHWEST FRANCE): BLACK CARBON CONTRIBUTIONAND
ANALYTICALBIAS N. POIRIER, C. LARGEAU, J.-N. ROUZAUD, S. DERENNE, A.
MARIOTTI, AND J. BALESDENT 229
BONINITE-LIKE VOLCANIC ROCKS IN THE 3.7-3.8-GAISUA GREENSTONE BELT
(CENTRAL TECTONIC DOMAIN),
SOUTHWEST GREENLAND
A. POLAT, A. W. HOFMANN, M. ROSING, AND J. MYERS
229
GEOCHEMISTRY OF 3.7-3.8-BILLION-YEAR-OLD PILLOW BASALT CORES AND RIMS
FROM THE ISUA GREENSTONE BELT
(NORTHWESTERN TECTONIC DOMAIN) GREENLAND: IMPLICATIONS FOR GEODYNAMIC
SETTINGS
A. POLAT, A. W. HOFMANN, J. MYERS, AND P. W. U. APPEL
230
A COMMERCIAL CELESTINE ORES IN IRON-ORE DEPOSITS OF THE SIBERIAN
PLATFORM A. G. POLOZOV, T. N. MOROZ, N. A. PALCHIK, L V. MIROSHNICHENKO,
O. YU. BELOZEROVA,
I. M. ROMANENKO, AND P. F. BENEDYUK
230
TRANSFORMATION OF BASALT ON CONTACT TO SALTS IN THE SIBERIAN PLATFORM
SEDIMENTARY COVER
A. G. POLOZOV, O. A. PROIDAKOVA, G. P. SANDIMIROVA, ANDE. V. SMIRNOVA
231
CHARRED ORGANIC MATTER IN BLACK SOILS OF SASKATCHEWAN E. V. PONOMARENKO
ANDD. W. ANDERSON
232
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XXXVI NINTH ANNUAL V. M. GOLDSCHMIDT CONFERENCE
KINETICS OF THE ABIOTIC REDUCTION OF COLLOIDAL MN02 BY NITRITE J. I.
POPP AND G. W. LUTHER III 232
ORGANIC CARBON AND SULFIDE SULFUR-ISOTOPIC STUDIES FROM THE
OXYGEN/SULFUR AND SULFUR/DEUTERIUM BOUNDARY SEDIMENTS IN POLAND E.
POREBSKA, Z. SAWLOWICZ, ANDH. STRAUSS 232
SPATIAL DISTRIBUTION OFCHROMIUM IN NORTHEAST ARABIAN SEA SEDIMENTS
C. PRAKASH BABU, H.-J. BRUMSACK, ANDB. SCHNETGER 233
BIOGEOCHEMISTRY OF THE CAUVERY FLOOD PLAIN SEDIMENTS, SOUTHERN INDIA:
IMPLICATIONS TO THEIR ORIGIN AND FARMING G. K. PRASAD AND V. RAJAMANI
233
IODINE-XENON DATING: SENSITIVE CHRONOMETER FOR REPROCESSING IN THE
PRIMITIVE SOLAR SYSTEM O. V. PRAVDIVTSEVA AND C. M. HOHENBERG 234
A FAST THERMAL METHOD FOR BLACK CARBON ANALYSIS OF NATURAL SAMPLES K. M.
PRENTICE AND J. I. HEDGES 234
PLATINUM GROUP ELEMENTS IN THE 2.8-GA KOSTOMUKSHA GREENSTONE BELT /. S.
PUCHTEL AND M. HUMAYUN 234
CLAY CHARACTERIZATION WITH AN ELECTRON MICROPROBE: AN ARCHAEOLOGICAL
EXAMPLE USING COARSE POTTERY FROM THE AZTEC CULTURAL HORIZON IN MORELOS,
MEXICO G. PURCELL, D. WORK, ANDS. ADHYA 235
MECHANISM OFADSORPTION OFCADMIUM ONTO GOETHITE AND HYDROUS FERRIC OXIDE
IN THE PRESENCE OF SELENITE
K. V. RAGNARSDOTTIR, L SPADINI, AND A. MANCEAU 235
CHARACTERIZATION AND ORIGIN OF AN ULTRAPOTASSIC ALUMINOUS A-TYPE
GRANITOID FROM SOUTHWESTERN INDIA
H.M. RAJESH 236
FATTY ACIDS IN PARTICULATES FROM CONCEPTION BAY, NEWFOUNDLAND: MOLECULAR
AND CARBON-ISOTOPIC VARIATIONS ACROSS THE 1996 SPRING BLOOM C. S. RAMOS,
C. PARRISH, T. QUIBUYEN, AND T. ABRAJANO 236
THE FATE OF SORBED ARSENIC AND CHROMIUM DURING EARLY DIAGENETIC
TRANSFORMATIONS OF IRON OXIDES: INSIGHTS FROM EXTENDED X-RAY ABSORPTION
FINE STRUCTURESPECTROSCOPY S. R. RANDALL, D. M. SHERMAN, AND K. V.
RAGNARSDOTTIR 237
CHARACTERIZATION OF COLLOIDS OFENVIRONMENTAL AND GEOCHEMICAL INTEREST
USING FIELD-FLOW FRACTIONATION INDUCTIVELY COUPLED PLASMA MASS
SPECTROMETRY J. F. RANVILLE, R. BECKETT, ANDD. J. CHITTLEBOROUGH 237
NEW INSIGHTS INTO THE SEISMOTECTONICS OF DEEP-SEATED INTRUSIONS A.
S.P.RAO 238
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NEW INSIGHTS INTO THE TECTONICS OF PROTEROZOIC ANORTHOSITES A. S.P.RAO
239
MICROBIAL AND CHEMICAL REDOX REACTIONS OF IRON IN DEPTH PROFILES OF
PADDY SOIL S. RATERING AND S. SCHNELL 239
OSMIUM ISOTOPES AS TRACERS OF SEWAGE DISPERSAL IN THEMARINE ENVIRONMENT
G. RAVIZZA, C. B. TUIT, ANDM. H. BOTHNER 240
CARBON-ISOTOPIC CHARACTERISTICS OF PYROGENIC POLYCYCLIC AROMATIC
HYDROCARBONS AND BLACK CARBON IN AQUATIC SEDIMENTS: DEVELOPMENT OF
METHODS C. M. REDDY AND T. I. EGLINTON 240
CHLORINE-ISOTOPIC RATIOS OF SEMIVOLATILE CHLORINATED ORGANIC COMPOUNDS
C. M. REDDY, L J. HERATY, B. D. HOLT, N. C. STURCHIO, T. I. EGLINTON, K.
A. MARUYA, AND J. L LAKE 241
CARBON BLACK FROMAUTOMOBILE TIRES C. M. REDDY, H. TAKADA, ANDH. KUMATA
242
X-RAY ABSORPTION FINE STRUCTURE STUDY OF THE INCORPORATION MODES OF
URANYL SPECIES INTO CALCITE AND ARAGONITE R. J. REEDER, M. NUGENT, AND
G. M. LAMBLE 242
IN SITU URANIUM-LEAD AGES OF ZIRCONS FROM THE BISHOP TUFF: NO EVIDENCE
FOR LONG CRYSTAL RESIDENCE TIMES
M. R. REIDANDC. D. COATH 243
PROGRESS REPORT ON HIGH-RESOLUTION COMPARISON OFARGON/ARGON
ANDURANIUM/LEAD SYSTEMS P. R. RENNE, R. MUNDIL, K. MIN, AND K. R. LUDWIG
243
CHRONOSTRATIGRAPHY OF THE SAGANTOLE FORMATION, AFAR, ETHIOPIA, AND THE
AGE OF
ARDIPITHECUS RAMIDUS P. R. RENNE, G. WOLDEGABRIEL, W. K. HART, G.
HEIKEN, ANDT. D. WHITE 244
NEODYMIUM AND LEAD ISOTOPES IN ATLANTIC IRON-MANGANESE CRUSTS: PANAMA
GATEWAY AND INTENSIFICATION OF NORTHERN HEMISPHERE GLACIATION B. C.
REYNOLDS, M. FRANK, ANDR. K. O NIONS 244
THORIUM-230 AND CARBON-14 DATING OF SPELEOTHEMS FROM THE BAHAMAS:
IMPLICATIONS FOR CALIBRATION OF THE RADIOCARBON TIMESCALE
D. A. RICHARDS, J. W. BECK, D. J. DONAHUE, P. L SMART, ANDR. L EDWARDS
245
OLD ZIRCON MEGACRYSTS FROM YOUNG NORTHWEST TERRITORIES KIMBERLITES S. H.
RICHARDSON, R. E. ZARTMAN, AND J. A. CARLSON
245
A PYRITE GRAND UNIFIED THEORY D. RICKARD 246
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EXPERIMENTAL CONSTRAINTS ON THE BEHAVIOR OF RHENIUM AND OSMIUM DURING
MANTLE MELTING AND MAGMATIC DIFFERENTIATION K. RIGHTER 246
CORE FORMATION AND WET TERRESTRIAL ACCRETION K. RIGHTER ANDM. J. DRAKE
247
MICROMETER SCALE VARIATIONS OF5180 IN CORALS C. ROLLION-BARD, M.
CHAUSSIDON, C. FRANCE-LANORD, ANDE. BARD 247
BORON-ISOTOPIC ANALYSIS IN SEDIMENTS BY ION MICROPROBE: IMPLICATIONS FOR
WEATHERING AND THE OCEANIC BORON BUDGET E. F. ROSE, M. CHAUSSIDON, AND
C. FRANCE-LANORD 248
DEPOSITION AND STORAGE OF SPHEROIDAL CARBONACEOUS PARTICLES IN EUROPEAN
MOUNTAIN LAKES AND THEIR CATCHMENTS N. L. ROSE, E. SHILLAND, H. YANG, P.
G. APPLEBY, T. BERG, L CAMARERO, M. GABATHULER, K. HANSELMANN, R.
HARRIMAN, K. KOINIG, L LIEN, U. NICKUS, B. STEINER TRAD,
E. STUCHLIK, H. THIES, ANDM. VENTURA 249
CONTINENTAL CRUST AS A CONSEQUENCE OF COLLISION GEODYNAMICS: SOME
PRECAMBRIAN AND PHANEROZOIC EXAMPLES O. M. ROSEN AND V. S. FEDOROVSKY
249
SALT SEEPAGE INTO LAKE KINNERET, ISRAEL: CAN 837C1 HELP? J. M.
ROSENBAUM, A. NISHRI, M. STILLER, AND M. GOPHEN 250
THE RESPONSE OFMARINE SEDIMENT BACTERIA TO ORGANIC CARBON INPUT R.
ROSSELLD-MORA, B. THAMDRUP, H. SCHAFER, ANDR.AMANN 250
QUANTIFYING ELEMENTAL SULFUR (S), BISULFIDE (HS-), AND POLYSULFIDES
(SX2~) USING A CYCLIC VOLTAMMETRY METHOD T. F. ROZAN, S. M. THEBERGE,
ANDG. W. LUTHER III 251
TRACE-ELEMENT CHARACTERIZATION OF METAMORPHIC ZIRCONS D. RUBATTO, I. S.
WILLIAMS, ANDD. GUNTHER 251
EVIDENCE FOR A MAFIC, RUTILE-BEARING RESERVOIR IN THE EARTH R. L
RUDNICK, M. BARTH, W. F. MCDONOUGH, AND I. HORN 252
ASSESSING REACTIVE SURFACE AREA DURING MICA DISSOLUTION WITH X-RAY
PHOTOELECTRON SPECTROSCOPY AND REAL-TIME, IN SITU ATOMIC FORCE
MICROSCOPY OBSERVATIONS E. RUFE ANDM. F. HOCHELLA JR. 252
OSMIUM CONCENTRATIONS AND ISOTOPIC COMPOSITION OF THE LOWER CRUST IN
MEXICO J. RUIZ, J. T. CHESLEY, AND K. RIGHTER 253
MODERN FORMATION PROCESSES FOR FOSSIL BRINES IN THE GREAT AUSTRALIAN
BIGHT J. L RUSSELL AND THE ODP LEG 182 SHIPBOARD SCIENCE PARTY 253
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LPI CONTRIBUTION NO. 971 XXXIX
MAJOR- AND TRACE-ELEMENT ABUNDANCE DATA IN THE CIRCA 2.2-GA HEKPOORT
PALEOSOL R-RYE 253
AMMONIUM PARTITIONING AND NITROGEN-ISOTOPIC FRACTIONATION DURING
HIGH-TEMPERATURE METAMORPHIC FLUID-ROCK INTERACTIONS S. J. SADOFSKY AND
G. E. BEBOUT 254
QUANTUM CHEMICAL MODEL FOR APATITE MINERALIZATION ON SILICA BIOCERAMICS
N. SAHAI AND J. A. TOSSELL 255
GREENSTONE-GRANITE BELTS OF THE HEARNE DOMAIN, NUNAVUT, CANADA:
EVOLUTION OF JUVENILE
NEOARCHEAN OCEANIC CRUST
H. A. SANDEMAN, B. COUSENS, W. J. DAVIS, S. HANMER, T. PETERSON, J.
RYAN, ANDS. TELIA 255
RHENIUM AND OSMIUMSYSTEM IN OPHIOLITIC COMPLEXES: IMPLICATIONS FOR
CHROMITITE FORMATION AND OPHIOLITE PARAGENESIS R. A. SANTOS, K. SUZUKI,
B. TAKANO, Y. TATSUMI, Y. MIYATA, AND Y. NOZAKI 255
SEAWATER PH CONTROL ON THE BORON-ISOTOPIC COMPOSITION OF CALCITE:
INORGANIC COPRECIPITATION EXPERIMENTS A. SANYAL, M. NUGENT, R. J.
REEDER, AND J. BIJIMA 256
COMPOUND-SPECIFIC HYDROGEN-ISOTOPIC MEASUREMENTS OF LACUSTRINE ORGANIC
MATTER:
A NOVEL TOOL FOR PALEOCLIMATOLOGY P. E. SAUER, J. M. HAYES, T. I.
EGLINTON, A. L. SESSIONS, AND A. SCHIMMELMANN 256
DISSOLUTION OF ANALCITE UNDER CONDITIONS OF ALKALINE PH D. SAVAGE, C.
ROCHELLE, M. MIHARA, Y. MOORE, A. MILODOWSKI, K. BATEMAN, ANDD. BAILEY
257
COMPARISION OF EVOLUTION OF SAMARIUM-NEODYMIUM AND RUBIDIUM-STRONTIUM
SYSTEMS IN
METAMORPHIC COUNTRY ROCKS IN CONTACTZONES OF INTRUSIONS: ELDORA STOCK,
COLORADO (USA) AND OZEMAJA VARAKA, KOLAPENINSULA (RUSSIA) V. M.
SAVATENKOV ANDL K. LEVSKY 258
SCAVENGINGOF COBALTAND NICKEL BY IRON HYDROXIDE IN SUBMARINEHYDROTHERMAL
PLUMES:
EXPERIMENTAL MODELING A. V.SAVENKO *. 258
ANALYSIS OF MICROBIALDIVERSITY IN SEDIMENTS FROM THE BENGUELA UPWELLING
SYSTEM
SHOWING ANAEROBIC METHANE OXIDATION H. SCHAFER, H. FOSSING, T. G.
FERDELMAN, ANDG. MUYZER
258
INFLUENCE OFTEMPERATURE ON NICKEL SORPTION ON CLAY MINERAL AND OXIDE
SURFACES K G. SCHECKEL AND D. L SPARKS 259
UPTAKE MECHANISMS OF RADIONUCLIDES ON CLAY SURFACES AS DETERMINED BY
X-RAY ABSORPTION SPECTROSCOPY M. A. SCHEIDEGGER, R. DAHN, B. BAEYENS,
ANDM. H. BRADBURY 259
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CALCIUM-RICH SILICA-UNDERSATURATED MELTS IN ISLAND ARCS
P. SCHIANO, J. M. EILER, ANDE. M. STOLPER 260
QUANTIFICATION OF ORGANIC PARTICLES FROM FOSSIL FUEL COMBUSTION IN SOILS
M. W. I. SCHMIDT, H. KNICKER, P. G. HATCHER, AND I. KOGEL-KNABNER 260
CHAR FROM VEGETATION FIRES IN SOILS? M. W. I. SCHMIDT, J. O. SKJEMSTAD,
AND I. KOGEL-KNABNER 261
AN EMPIRICAL ASSESSMENT OF ULTRA HIGH-PRECISION URANIUM-LEAD ZIRCON
GEOCHRONOLOGY: ZIRCON AND SPHENE SYSTEMATICS OF THE FISH CANYON TUFF M.
D. SCHMITZ AND S. A. BOWRING 262
THE EVOLUTION OF CRATONIC GEOTHERMS: URANIUM-LEAD THERMOCHRONOMETRIC
CONSTRAINTS FROM LOWER CRUSTAL XENOLITHS, LESOTHO, SOUTHERN AFRICA M. D.
SCHMITZ AND S. A. BOWRING 263
METHANE-BASED BIOSYNTHESIS IN FLORIDA ESCARPMENT ABYSSAL BRINE SEEPS M.
SCHOELL, R. J. HWANG, C. K. PAULL, AND C. S. MARTENS 263
THE EFFECT OF VISIBLE LIGHT AND PHOSPHATE ON THE KINETICS OF PYRITE
OXIDATION BY DISSOLVED MOLECULAR OXYGEN M. A. A. SCHOONEN AND D. R.
STRONGIN 264
STRONTIUM ISOTOPES IN NEOPROTEROZOIC CAP CARBONATES FROM NAMIBIA:
EVIDENCE FOR INTENSE CHEMICAL WEATHERING IN THE AFTERMATH OF A SNOWBALL
EARTH D. P. SCHRAG, P. F. HOFFMAN, G. P. HALVERSON, S. A. BOWRING, ANDK.
ABBASI 264
URANIUM-SERIES DATING OF LAKE CARBONATES: THE LESSONS FROM LAKE LISAN
(PALEO-DEAD SEA) A. SCHRAMM, M. STEIN, AND S. L GOLDSTEIN 265
FLUID EVOLUTION IN SHEAR-ZONE HOSTED MESOTHERMAL GOLD DEPOSITS: EXAMPLES
FROM THE YILGARN CRATON AND LACHLAN FOLD BELT, AUSTRALIA P. K. SECCOMBE,
S. C. DICK, ANDZ. JIANG 265
HIGHLY RADIOGENIC UPPER CRUSTAL ROCKS OF CENTRAL IDAHO AND ITS BEARING
ON ORE GENESIS K. P. SELVAM, A. W. MACFARLANE, G. SEN, AND V. J. SALTERS
266
HYDROGEN ISOTOPE RATIO MONITORING GAS CHROMATOGRAPHY MASS SPECTROMETRY
A. L SESSIONS, T. W. BURGOYNE, A. SCHIMMELMANN, AND J. M. HAYES 266
ANCIENT-DEPLETED MANTLE UNDER A MODEM SPREADING CENTER: OSMIUM EVIDENCE
FROM
HYDROTHERMAL FLUIDS FROM JUAN DE FUCA RIDGE M. SHARMA, A. W. HOFMANN, G.
J. WASSERBURG, AND D. A. BUTTERFIELD 267
THE CARBON DIOXIDE/HELIUM-3 SYSTEMATICS OF PLUME-, MID-OCEAN-RIDGE
BASALT-, AND ARC-TYPE LAVAS FROM THE MANUS BACK-ARC BASIN A. M. SHAW, D.
R. HILTON, C. G. MACPHERSON, AND J. M. SINTON 268
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ELEMENTAL FRACTIONATION AND EQUILIBRIUM PROCESSES D.M. SHAW 268
A HIGH-PRECISION BENTHIC FORAMINIFERAL STRONTIUM/CALCIUM RECORD OVER THE
PAST 35,000 YEARS C.-C. SHEN, S. R. EMERSON, D. W. HASTINGS, T. LEE,
C.-H. CHIU, ANDG. T. SHEN 269
NEW INSIGHTS OF SULFIDE ORE GENESIS FROM AN OSMIUM-STRONTIUM-ISOTOPIC
STUDY OF CHINKUASHI GOLD-COPPER DEPOSIT IN TAIWAN J. J. SHEN, L P. TAN,
C. H. CHEN, C. Y. LAN, AND C. H. CHEN 269
ION SOLVATION AND MOLECULAR DYNAMICS AT THE GOETHITE/WATER INTERFACE
D.M. SHERMAN 269
THERMODYNAMICS OF STRONTIUM, BARIUM, AND LEAD SOLID SOLUTION IN CAS04:
RESULTS FROM ATOMISTIC SIMULATIONS
D.M. SHERMAN 270
RARE-EARTH-ELEMENT FRACTIONATION AND NEODYMIUM-ISOTOPIC VARIATION IN
PACIFIC HYDROTHERMAL PLUMES AND METALLIFEROUS SEDIMENTS R. M. SHERRELL,
G. RAVIZZA, M. P. FIELD, AND J. BLUSZTAJN 271
BROWN COAL AS A DETOXICANT OF SOILS POLLUTED WITH HEAVY METALS A. V.
SHESTOPALOV, O. S. BEZUGLOVA, AND I. V. MOROZOV 271
CARBON DIOXIDE FLUX DUE TO HYDROTHERMALVENTING FROMBACK-ARC BASIN AND
ISLAND ARC AND ITS INFLUENCE ON GLOBAL CARBON DIOXIDE CYCLE
N. S. SHIKAZONO AND H. K. KASHIWAGI 272
GEOCHEMICAL CONSEQUENCES OF PARTIAL MELTING AT THE CORE-MANTLE BOUNDARY
N. SHIMIZU, K. HIROSE, ANDY. FEI 272
LARGE LEAD-ISOTOPIC VARIATIONS IN OLIVINE-HOSTED MELT INCLUSIONS IN A
BASALT FROM THE
MID-ATLANTIC RIDGE N. SHIMIZU, A. V. SOBOLEV, G. D. LAYNE, AND O. P.
TSAMERIAN 273
CARBON CYCLES STUDIES WITH FATTY-ACID BIOMARKERS AND A MIXEDLAYERMODEL
K. H. SHIN, S. NORIKI, N. TANAKA, ANDM. IKEDA 273
RHENIUM-OSMIUM- AND OXYGEN-ISOTOPIC SYSTEMATICS OFDIAMONDIFEROUS AND
NON-DIAMONDIFEROUS ECLOGITES FROM THE ROBERTS VICTOR KIMBERLITE, SOUTH
AFRICA
S. B. SHIREY, U. WIECHERT, R. W. CARLSON, J. J. GURNEY, ANDL VANHEERDEN
273
TRACE ELEMENTS AND CARBON-ISOTOPIC COMPOSITION OF INCLUSION-FREE
DIAMONDS A. A. SHIRYAEV, N. N. DOGADKIN, ANDE. M. GALIMOV 274
X-RAY INVESTIGATION OF THE PRINCIPLE NITROGEN-RELATED DEFECTS IN
DIAMONDS AND THEIR MODELS A. A. SHIRYAEV, YU. A. KLYUEV, A. M. NALETOV,
AND A. T. DEMBO 275
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XLII NINTH ANNUAL V. M. GOLDSCHMIDT CONFERENCE
THE ESTUARINE CHEMISTRY OF RARE EARTHELEMENTS: COMPARISON OF THE AMAZON,
FLY, SEPIK, AND GULF OF PAPUA SYSTEMS E. R. SHOLKOVITZ AND R. SZYMCZAK
276
ANOMALOUS LEAD ISOTOPES AND SOURCES OFLEADS IN THE UPPER MISSISSIPPI
VALLEY ZINC-LEAD DISTRICT, USA
A. A. SICREE AND H. L BARNES 276
THERMODYNAMIC MODELING OF BROMINE PARTITION BETWEEN SEAWATER AND ITS
SOLIDS M. G. SIEMANN ANDM. SCHRAMM 276
INFERENCES FROM URANIUM-SERIES DISEQUILIBRA ON MAGMA ORIGIN AND
MIGRATION BENEATH THE IZU ARC O. SIGMARSSON, J. B. GILL, P. HOLDEN, AND
C. C. LUNDSTROM 277
MODELING CRUSTAL GROWTH USING SAMARIUM-NEODYMIUM DATABASE OF SHALES F.
SIMIEN, E. LEWIN, C. J. ALLEGRE, AND A. N. DIA 277
VARIATION IN THE SOURCES AND FLUXES OFATMOSPHERIC POLLUTANTS PROXIMAL TO
MONTREAL (QUEBEC), CANADA AS INFERRED FROM A YEAR S LEAD- AND
STRONTIUM-ISOTOPIC RECORD FOR PRECIPITATIONS A. SIMONETTI, C. GARIEPY, L
POISSANT, AND J. CARIGNAN 278
GEOCHEMISTRY OFFLOOD PLAIN SEDIMENTS OF THE KAVERI RIVER, SOUTHERN INDIA
P. SINGH AND V. RAJAMANI 278
REGIONAL ROCKY MOUNTAIN CLIMATE CHANGE RECORDED BY OXYGEN ISOTOPES OF
HOLOCENE FERRICRETES D. J. SJOSTROM, M. A. POAGE, C. P. CHAMBERLAIN, AND
G. FURNISS 279
THE DETERMINATION OF CHARCOAL IN SOILS J. O. SKJEMSTAD, L. J. JANIK, AND
J. A. MCGOWAN 280
THE NATURE, DISTRIBUTION, AND IMPACT OF CHARCOAL IN SOILS J. O.
SKJEMSTAD, L J. JANIK, ANDL. R. SPOUNCER 280
DISSOLUTION MECHANISMS OF HYDROGEN IN (3-MG2SI04 (WADSLEYITE) USING
HYDROGEN-1 MAGIC-ANGLE SPINNING NUCLEAR MAGNETIC RESONANCE A. E.
SLESINGER, B. J. WOOD, ANDS. C. KOHN 280
THE NATURE AND REACTIVITY OF COMBUSTION SOOTS D. M. SMITH AND A. R.
CHUGHTAI 281
GEOAVAILABILITY OF METALS IN A MINE-WASTE MATERIAL
K. S. SMITH, G. P. MEEKER, R. W. LEINZ, S. J. SUTLEY, H. L O. HUYCK, AND
G. A. DESBOROUGH 281
RARE-EARTH-ELEMENT AND TRACE-ELEMENT TRENDS IN THE EVERGLADES AS TRACERS
FOR SEDIMENTARY PROCESSES J. E. SONKE AND V. J. M. SALTERS 281
CAC03 DISSOLUTION IN EQUATORIAL DEEP-SEA SEDIMENTS DURING
INTERGLACIAL-GLACIAL TRANSITIONS J. SPECHT AND A. MANGINI 282
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LP1 CONTRIBUTION NO. 971
ISOTOPIC MODELING OF THE SIGNIFICANCE OF SULFATE REDUCTION FORPHENOL
ATTENUATION IN A
POLLUTED AQUIFER M. SPENCE, S. BOTTRELL, S. THORNTON, ANDD. LERNER 282
STRONTIUM-ISOTOPIC RATIOS TRACE NATURALALKALINE ADDITION TO COAL MINE
DRAINAGE
S. L STAFFORD, R. C. CAPO, B. W. STEWART, A. REYNOLDS, ANDR. S. HEDIN
283
MAJOR TRENDS IN THE MINERALOGY OF CARBONATE SKELETONS REFLECT
OSCILLATIONS IN MID-OCEAN RIDGE SPREADING RATES AND SEAWATER CHEMISTRY
5. M. STANLEY ANDL A. HARDIE 283
THE PAN AFRICAN PLUME EVENT AND THE GROWTH OF GONDWANA M. STEIN 284
IN SITU ZIRCON TRACE-ELEMENT ANALYSIS BY HIGH-MASS RESOLUTION SECONDARY
ION MASS SPECTROMETRY R. A. STERN 284
ANALYSIS OF VOLATILE ORGANIC COMPOUNDS OVEROCTOPUS SPRING, YELLOWSTONE
NATIONAL PARK,
USING OPEN-PATH FOURIER TRANSFORM INFRARED SPECTROSCOPY D. L STONER, J.
G. JOLLEY, K. S. MILLER, D. J. FIFE, AND W. F. BAUER 285
MAPPING AND CATALOGING MICROBIAL BIODIVERSITY WITHIN ITS GEOCHEMICAL
ENVIRONMENT D. L STONER, M. C. MILLER, L J. WHITE, J. A. BRIZZEE, R. L.
LEE, ANDR. C. ROPE 285
THE ROLE OF GARNET-PYROXENITE IN THE SOURCE OFHAWAI IAN BASALTS:
HAFNIUM-NEODYMIUM THORIUM-ISOTOPIC EVIDENCE A. STRACKE, V. J. M.
SALTERS, K. W. W. SIMS, AND J. BLICHERT-TOFT !:.... 285
THE SULFUR-ISOTOPIC COMPOSITION OFPRECAMBRIAN SEDIMENTS: SEAWATER
CHEMISTRY AND BIOLOGICAL EVOLUTION H. STRAUSS 286
RARE-EARTH-ELEMENT GEOCHEMISTRY OF FERROMANGANESE CONCRETIONS FROM THE
BARENTS SEA AND THEWHITE SEA S. V. STREKOPYTOV, E. L VINOGRADOVA, AND A.
V. DUBININ 286
STABLE ISOTOPIC INVESTIGATIONS OF THE CHLORINATED ALIPHATIC HYDROCARBONS
N. C. STURCHIO, L. J. HERATY, B. D. HOLT, L HUANG, AND T. A. ABRAJANO
287
MARINE SEDIMENTS: A BLACK CARBON RESERVOIRAND RECORD OF COMBUSTION D.
SUMAN
288
2-METHYLHOPANOIDS: BIOMARKERS FOR CYANOBACTERIA AND FOR OXYGENIC
PHOTOSYNTHESIS R. E. SUMMONS, LL JAHNKE, J. M. HOPE, AND G. A. LOGAN 288
MOLECULAR MODELING OF CESIUM-SMECTITE HYDRATES R. A. SUTTON AND G.
SPOSITO
289
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XLIV NINTH ANNUAL V. M. GOLDSCHMIDT CONFERENCE
THE INFLUENCE OF SULFIDES ON SOLUBLE IRON(III) IN ANOXIC SEDIMENT
POREWATERS M. TAILLEFERT, S. M. THEBERGE, V. HOVER, ANDG. W. LUTHER III
289
OXYGEN-ISOTOPIC AND RARE-EARTH-ELEMENT COMPOSITIONS OF QUARTZ VEINS
WITHIN XINGZI GROUP OF LUSHAN, SOUTHEAST CHINA: IMPLICATIONS FOR THE
ORIGIN METAMORPHIC FLUIDS H. F. TANG AND C. Q. LIU 289
MAKING CONTINENTAL CRUST BY CRUSTAL DELAMINATION IN SUBDUCTION ZONES,
AND COMPLEMENTARY ACCUMULATION OF THE EMI COMPONENT IN THE DEEP MANTLE
Y. TATSUMI 290
FORMATION OF SOIL FROM WEATHERED GRANITE: INSIGHTS INTO INORGANIC AND
BIOGEOCHEMICAL PROCESSES FROM MINERALOGICAL, MICROBIOLOGICAL, AND BULK
CHEMICAL ANALYSES A. E. TAUNTON, S. A. WELCH, AND J. F. BANFIELD 290
THE DEPENDENCE OF PLAGIOCLASE DISSOLUTION AND STRONTIUM RELEASE RATES ON
SOLUTION SATURATION STATE
A. S. TAYLOR, J. D. BLUM, AND A. C. LASAGA 291
DIAMOND: JUST ANOTHER METAMORPHIC MINERAL? L. A. TAYLOR, G. A. SNYDER,
AND A. CAMACHO 291
ON THE DIFFICULTIES OF MAKING EARTH-LIKE PLANETS S.R.TAYLOR 292
MEASUREMENT OFFLUXES AND CONCENTRATIONS OF HEAVY METALS IN SEDIMENT
POREWATERS USING DIFFUSIVE GRADIENTS IN THIN FILMS
P. R. TEASDALE, W. DAVISON, AND J. HAMILTON-TAYLOR 292
X-RAY SPECTROSCOPY INVESTIGATIONS OF LEAD(II) DISTRIBUTIONS WITHIN
BIOFILMS FORMED ON METAL-OXIDE SURFACES A. S. TEMPLETON, T. P. TRAINOR,
J. D. OSTERGREN, S. J. TRAINA, A. M. SPORMANN, S. R. SUTTON, M.
NEWVILLE, ANDG. E. BROWN JR. 293
THE FUNDAMENTALS OF CALCITE MINERALIZATION: SURFACE PROCESSES OF SPIRAL
GROWTH H. H. TENG, P. M. DOVE, AND J. J. DE YOREO 294
KINETICS OF CALCITE GROWTH: ANALYSIS OF SURFACE PROCESSES AND
RELATIONSHIPS TO MACROSCOPIC RATE LAWS
H. H. TENG, P. M. DOVE, AND J. J. DE YOREO 294
A CENTURY-LONG RECORD OFANTHROPOGENIC NUTRIENT LOADING PROVIDED BY 815N
VALUES IN SEDIMENT FROM A EUTROPHIC LAKE J. L. TERANES AND S. M.
BERNASCONI 295
DISTRIBUTION AND MOBILITY OF LEAD IN ROADSIDE SOILS N. TEUTSCH, Y. EREL,
AND L HALICZ 296
IDENTIFYING METAL SULFIDE COMPLEXES IN FRESHWATERS USING LASER
DESORPTION MASS SPECTROSCOPY
S. M. THEBERGE, T. F. ROZAN, ANDG. W. LUTHER III 296
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LP1 CONTRIBUTION NO. 971 XLV
OXYGEN-ISOTOPIC SYSTEMATICS OF REYKJANES RIDGEMID-OCEAN-RIDGE BASALTS:
CONSTRAINTS ON THE
ORIGIN AND COMPOSITION OF ICELANDIC PLUME MANTLE M. F. THIRLWALL, R. N.
TAYLOR, D. P. MATTEY, C. G. MACPHERSON, M. A. M. GEE, AND B. J. MURTON
296
PROTACTINIUM-231/URANIUM-235-THORIUM-230/URANIUM-238SYSTEMATICS OF YOUNG
VOLCANIC ROCKS FROM CENTRAL AMERICA: CONTRASTING BEHAVIOR RELATED TO
SUBDUCTION FLUXES? R. B. THOMAS, M. M. HIRSCHMANN, H. CHENG, R. L
EDWARDS, ANDM. K. REAGAN 297
A MULTIMETHOD APPROACH TO CORRELATING BENTONITES FROM THE SILURIAN OF
THE WELSH BASIN J. THOROGOOD, N. J. G. PEARCE, C. A. BENDALL, D. K.
LOYDELL, R. CAVE, AND J. A. EVANS 298
STRONTIUM AND NEODYMIUM ISOTOPES IN APATITES: THEIR APPLICATION TO THE
STUDY OF BENTONITES FROM THE WELSH BASIN
J. THOROGOOD, N. J. G. PEARCE, J. A. EVANS, D. K. LOYDELL, ANDR. CAVE
298
CHEMICAL COMPOSITION OF CRETACEOUS SEAWATER: RESULTS FROM ENVIRONMENTAL
SCANNING ELECTRON MICROSCOPY-ENERGY DISPERSIVE X-RAY SPECTROMETRY
ANALYSES OF FLUID INCLUSIONS IN MARINE HALITES
M. N. TIMOFEEFF, T. K. LOWENSTEIN, AND LA. HARDIE 299
CHEMICAL COMPOSITION OFPERMIAN SEAWATER: RESULTS FROM ENVIRONMENTAL
SCANNING ELECTRON MICROSCOPY-ENERGY DISPERSIVE SPECTROSCOPY ANALYSIS OF
FLUID INCLUSIONS IN MARINE HALITES
M. N. TIMOFEEFF, T. K. LOWENSTEIN, AND LA. HARDIE 299
STRATIGRAPHIC RECORDS OFBLACK CARBON FROMLAKE SEDIMENTS AS ARCHIVES OF
CONTINENTAL
ENVIRONMENTAL CHANGE W. TINNERAND F. S. HU 300
LITHIUM-ISOTOPIC GEOCHEMISTRY OF MONO LAKE, CALIFORNIA P. B. TOMASCAK,
N. G. HEMMING, ANDS. R. HEMMING
301
GOLD ADSORPTION ON GOETHITE AND HUMIC ACID-COATED GOETHITE T. TOSIANI
301
THEORETICAL EVIDENCE FOR COPPER THIOARSENITE COMPLEXING J. A. TOSSELL
302
ARGON IN MID-OCEAN-RIDGE BASALTS AND LOIHI GLASSES AND IMPLICATIONS FOR
THE EVOLUTION OF THE
EARTH S MANTLE
M. TRIELOFF M. FALTER, ANDE. K. JESSBERGER
302
HOW DOES QUARTZITE WEATHER? A GEOCHEMICAL STUDY OF PROTEROZOIC QUARTZITE
IN THE SEMIARID REGIONS OF DELHI, INDIA J. K TRIPATHIAND V. RAJAMANI 303
NON-CONSERVATIVE MOLYBDENUM BEHAVIOR IN SEAWATER C. B. TUITANDG. E.
RAVIZZA
303
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XLVI NINTH ANNUAL V. M. GOLDSCHMIDT CONFERENCE
EXPERIMENTAL STUDY OF THE ALTERATION PROCESS OF BASALTIC GLASS UNDER
HIGH PARTIAL PRESSURE OF CARBON DIOXIDE
S. UTSUNOMIYA AND T. MURAKAMI 304
CARBONATITES AT 200 KILOMETERS: QUENCHED MELT INCLUSIONS IN
MEGACRYSTALLINE LHERZOLITE XENOLITHS, SLAVE CRATON, CANADA
E. VANACHTERBERGH, W. L GRIFFIN, K. KIVI, N. J. PEARSON, AND S. Y.
O REILLY 304
GLITTER: ONLINE INTERACTIVE DATA REDUCTION FOR THE LASER ABLATION
INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY MICROPROBE E. VAN
ACHTERBERGH, C. G. RYAN, ANDW. L GRIFFIN 305
HYDROGEOCHEMISTRY OF MADEIRA ISLAND C. H. VAN DER WEIJDEN, J. P. G.
LOCH, AND F. A. L PACHECO 306
HIGH-RESOLUTION LEAD AND NEODYMIUM RECORDS OF NORTHEAST INDIAN OCEAN
SEDIMENTS OVER THE PAST 150 KA: FLUCTUATIONS IN THE MONSOON AND
HIMALAYAN WEATHERING ASSOCIATED WITH NORTHERN HEMISPHERE GLACIATION D.
VANCE AND K. W. BURTON 306
PRECISE LEAD-ISOTOPIC ANALYSIS BY MULTIPLE COLLECTOR INDUCTIVELY COUPLED
PLASMA MASS SPECTROMETRY: LONG-TERM REPRODUCIBILITY AND COMPARISON WITH
DOUBLE-SPIKE MEASUREMENTS D. VANCE AND P. VAN CALSTEREN 307
DISTRIBUTION OF CARBON AMONG ORGANIC-MINERAL FRACTIONS OF VERTISOLS AND
ZONAL SOILS AS INFLUENCED BY BIOGEOCHEMICAL CONDITIONS A. YA.
VANYUSHINA, L. S. TRAVNIKOVA, ANDR. C. O. GAIEGO 308
DISSOLVED ORGANICS IN FORMATION WATERS FROM THE PANNONIAN BASIN, HUNGARY
/. VARSANYI, Z. KARPATI, J. M. MATRAY, L. O. KOVACS, AND A. KLOPP 308
INVESTIGATION OF THE ROLE OF NATURAL ORGANIC MATTER IN THE SORPTION OF
COPPER IN AN
OXISOIL PROFILE
F. V. VASCONCELOS, B. D. H. HONEYMAN, D. M. MACALADY, AND J. R. RANVILLE
309
ISOTOPIC GEOCHEMISTRY OF SHARK TEETH AS INDICATORS OF ENVIRONMENTAL
CONDITIONS
T. W. VENNEMANN, E. HEGNER, G. CLIFF, ANDG. W. BENZ 310
HAFNIUM-ISOTOPIC COMPOSITION OF THE CRUST AND MANTLE DURING THE ARCHEAN:
CONSTRAINTS ON CRUST-MANTLE EVOLUTION
J. D. VERVOORT, P. J. PATCHETT, F. ALBAREDE, J. BLICHERT-TOFT, M. E.
BARLEY, T. S. BLAKE,
C. W. BRAUHART, M. G. GREEN, AND R. J. THERIAULT 310
LOW 5LGO DESPITE INVOLVEMENT OF SUBDUCTED CONTINENTAL MATERIAL IN THE
BANDA ARC P. Z. VROON, D. LOWRY, M. J. VAN BERGEN, A. BOYCE, ANDD.
MATTEY 311
GEOCHEMISTRY OF CARBON AND OXYGEN ISOTOPES OF CARBONATITES FROM THE
WESTERN PART OF THE ALTAY-SAYAN FOLDING SYSTEM V. V. VRUBLEVSKY, B. G.
POKROVSKY, V. N. KULESHEV, I. F. GERTNER, V. P. PARNACHOV,
ANDG. N. ANOSHIN 311
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LPI CONTRIBUTION NO. 971 XLVII
IMPROVEMENT OFLOW-LEVEL TRACE-ELEMENT ANALYSIS WITH THE ELECTRON
MICROPROBE FOR RECORDING MANTLE PROCESSES C. WAGNERANDM. FIALIN 312
PLATINUM-RHENIUM-OSMIUM DISTRIBUTION AT 10 GPA IN
IRON-NICKEL-SULFUR-PHOSPHORUS D. WALKER 313
THE A0 * K0 = CONSTANT FORM FITS HOT COMPRESSION OF B2 KC1, RHOMBOHEDRAL
KCI03, ORTHORHOMBIC KC104, AND 02 GAS TO 96 KBAR CALIBRATED AGAINST B1
NACL D. WALKER, S. M. CLARK, M. C. JOHNSON, ANDR. L JONES 313
SURPRISINGLY SMALL OXYGEN-2 GAS VOLUMES FROM 22-96 KBAR AT 600 C ARE
CONFIRMED FROM
DECOMPOSITION OF ORTHORHOMBIC KC104 D. WALKER, S. M. CLARK, M. C.
JOHNSON, ANDR. L JONES 314
OSMIUM-ISOTOPIC CONSTRAINTS ON THE EARLY EVOLUTION OF THE MANTLES OF THE
EARTH, MOON, AND MARS R. J. WALKER, B. ASUQUO, H. M. PRICHARD, AND A. D.
BRANDON 315
OSMIUM-186-OSMIUM-187 ISOTOPE SYSTEMATICS OF MANGANESE NODULES ANDMARINE
SEDIMENTS R. J. WALKER, S. R. HEMMING, H. BECKER, ANDM. HODGSON 315
IMPROVING THE ACCURACY OF POTASSIUM-ARGON DETERMINATIONS ON ORGANOCLAYS
J. M. WAMPLER, W. C. ELLIOTT, S. K. SEARS, AND S. SHATA 316
SPECTROSCOPIC PROBES OFDEGRADATION REACTIONS PROMOTED BY METAL OXIDE
SURFACES D. WANG, W. E. DUBBIN, J. Y. SHIN, M. ZAVARIN, M. A. CHENEY, T.
G. SPIRO, AND G. SPOSITO 317
GEOCHEMISTRY AND METALLIZATION OFMYLONITE-HOSTED GOLD DEPOSIT IN THE
SOUTH CHINA H. N. WANG, J. CHEN, J. F. JI, AND C. Y. SUN 317
MOLECULAR MODELING OF THE INTERLAYER STRUCTURE AND DYNAMICS IN
HYDROTALCITE
J. WANG, A. G. KALINICHEV, R. J. KIRKPATRICK, R. T. CYGAN, ANDX. HOU 318
CARBONATE ROCK WEATHERING AND PEDOGENESIS IN THE SOUTH OF CHINA
S. J. WANG, H. B. JI, Z. Y. OUYANG, ANDD. Q. ZHOU
318
GEOCHEMISTRY OF THE ORE FLUID IN THE JINJITAI CARBONATE ROCK-HOSTED GOLD
DEPOSIT, SICHUAN, CHINA X. C. WANGANDZ. R. ZHANG 318
GEOCHEMISTRY OF THE TRIASSIC BASALT IN THE LUHUO-DAOFU REGION,
SOUTHWESTERN CHINA, AND ITS TECTONIC SIGNIFICANCE X. C. WANGANDZ. R.
ZHANG 319
FIRST DATA ON RARE-EARTH-ELEMENT DISTRIBUTIONS IN THE CHANGJIANG
ESTUARY: RELATIVELY LOW
CONCENTRATIONS AND CONSERVATIVE BEHAVIOR AT LOW-SALINITY REGIONS Z-L.
WANG, C.-Q. LIU, ANDJ.ZHANG 319
BACTERIALLY PROMOTED CALCIUM CARBONATE PRECIPITATION AND SOLID-PHASE
CAPTURE OF
STRONTIUM AND U02 L A. WARREN, N. PARMAR, ANDF. G. FERRIS 320
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XLVIII NINTH ANNUAL V. M. GOLDSCHMIDT CONFERENCE
CHROMIUM(III) SORPTION AND OXIDATION ON MANGANITE (Y-MNOOH) AS OBSERVED
WITH FLUID-CELL ATOMIC FORCE MICROSCOPY AND X-RAY PHOTOELECTRON
SPECTROSCOPY R. M. WEAVER ANDM. F. HOCHELLAJR. 321
RACEMIZATION ISOCHRONS FOR THE UNITED STATES ATLANTIC COASTAL PLAIN
QUATERNARY: INDEPENDENT CALIBRATION AND GEOCHEMICAL IMPLICATIONS OF
RESULTS FROM
MARGINAL MARINE UNITS, CENTRAL FLORIDA J. F. WEHMILLER, L L YORK, D. S.
JONES, ANDR. W. PORTELL 321
EVIDENCE FOR A CONTINENTAL COMPONENT AT ELAN BANK FROMLEG 183-SITE 1137
ON THE KERGUELEN PLATEAU D. WEIS, J. BARLING, D. DAMASCENO, F. A. FREY,
K E. NICOLAYSEN, AND THE LEG 183 SHIPBOARD SCIENTIFIC PARTY 321
TRACING SOURCES OF CHANNEL AND NORTH SEA POLLUTION AEROSOLS ABOVE THE
STRAITS OF DOVER
USING LEAD-ISOTOPIC GEOCHEMISTRY D. WEIS, K. DEBOUDT, AND P. FLAMENT 322
ROLE OF MICROORGANISMS AND MICROBIAL METABOLITES IN APATITE AND BIOTITE
DISSOLUTION KINETICS S.A. WELCH, A. E. TAUNTON, AND J. F. BANFIELD 322
OXYGEN-ISOTOPIC COMPOSITION OF CONODONT APATITE: A POTENTIAL PROXY FOR
PALEOZOIC MARINE WATER TEMPERATURES AND SALINITIES B. WENZEL, W.
BUGGISCH, M. M. JOACHIMSKI, P. KONIGSHOF AND C. UCUYER 323
PHOSPHATE-OXYGEN-ISOTOPIC MICROANALYSIS BY INFRARED LASER ISOTOPE RATIO
MONITORING GAS CHROMATOGRAPHY MASS SPECTROMETRY B. WENZEL, M. M.
JOACHIMSKI, J. RAUCH, ANDW. BUGGISCH 323
MAGNETITE SURFACE PROTONATION TO 290C FROM ACID/BASE TITRATIONS WITH IN
SITU PH MEASUREMENT D. J. WESOLOWSKI, M. L MACHESKY, D. A. PALMER, ANDL.
M. ANOVITZ 324
DEVELOPMENT OFQUATERNARY PEDOGENIC CALCITE AND DOLOMITE ON THE ISLAND
OFHAWAI I C. E. WHIPKEY, R. C. CAPO, ANDO. A. CHADWICK 324
HAFNIUM-ISOTOPIC GEOCHEMISTRY OF THE GALAPAGOS W. M. WHITE AND J.
BLICHERT-TOFT 325
THE COORDINATION CHEMISTRY OF SIDEROPHORES WITHIN SOILS C. F. WHITEHEAD
AND A. T. STONE 326
GEOCHEMISTRY OF ECLOGITES FROM ALP DE TRESCOLMEN, ADULA NAPPE, CENTRAL
ALPS, SWITZERLAND R. A. WIESLI, L A. TAYLOR, J. W. VALLEY, M. J.
SPICUZZA, G. A. SNYDER, A. CAMACHO, AND M. KUROSAWA 326
PARTITIONING OFTRACE METALS IN ANOXIC BLACK SEA SEDIMENTS
R. T. WILKIN ANDM. A. ARTHUR 327
THE CHEMICAL AND MINERALOGICAL RESPONSE OF ALLANITE TO HYDROTHERMAL
ALTERATION, CASTO GRANITE, IDAHO S. A. WOOD AND A. RICKETTS 328
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LP1 CONTRIBUTION NO. 971 XLIX
THE EFFECT OF FULVIC ACID ON THE EXTENT AND RATE OF DISSOLUTION OF
OBSIDIAN S. A. WOOD, L M. ANOVITZ, J. M. ELAM, D. R. COLE, L. R.
RICIPUTI, AND P. BINEZETH 329
DETERMINATION OF THE SOLUBILITY OF CRYSTALLINE NEODYMIUM (OH)3 IN SODIUM
TRIFLATE SOLUTIONS FROM 30 TO 250C WITH IN SITU PH MEASUREMENT 5. A.
WOOD, D. A. PALMER, D. J. WESOLOWSKI, AND P. BENEZETH 329
PLATINUM GROUP ELEMENTS IN SUBDUCTION ZONE MAGMAS: ANION EXCHANGE
PRECONCENTRATION INDUCTIVELY COUPLEDPLASMA MASS SPECTROMETRY ANALYSES OF
LESSER ANTILLES AND IZU-BONIN MAGMAS S. J. WOODLAND, D. G. PEARSON, J.
A. PEARCE, ANDM. F. THIRLWALL 330
AN EXPERIMENTAL STUDY OF COPPERTI) CHLORIDE SOLUBILITY IN WATERVAPOR AT
TEMPERATURES FROM 360 TO 400C AND WATER-VAPOR SATURATED PRESSURE Z.
XIAO, A. E. WILLIAMS-JONES, ANDC. H. GAMMONS 331
USING LINEAR FREE-ENERGY RELATIONSHIP TO PREDICT STABILITY CONSTANTS OF
AQUEOUS METAL COMPLEXES/CHELATES H. XU AND Y. WANG 331
NITROUS OXIDE EMISSIONS FROM AGRICULTURAL SOIL IN GUIZHOU PROVINCE,
SOUTHWESTERN CHINA W. B. XU, Y. T. HONG, X. H. CHEN, ANDC. S. LI 331
QUANTIFICATION OF QUENCH RATES IN WATER, AIR, AND LIQUID NITROGEN Z
XUAND Y. ZHANG 332
GEOCHEMICAL AND ISOTOPIC CONSTRAINTS FOR DIE EVOLUTION OF THE SLAVE
PROVINCE K YAMASHITA AND R. A. CREASER 332
POSSIBLE RELATIONS OF FELSIC MAGMAS TO ORE METALS IN VOLCANOGENIC
MASSIVE SULFIDE DEPOSITS: GEOCHEMICAL EVIDENCE FROM THE BATHURSTMINING
CAMP, IBERIAN PYRITE BELT, ABITIBI BELT, AND THE HOKUROKU DISTRICT
K. YANG AND S. D. SCOTT 333
MILANKOVITCH THEORY REVIEWED FROM ARID CLOSED-BASIN LACUSTRINE CALCITE
IN DEATH VALLEY, CALIFORNIA W. YANG AND T. K. LOWENSTEIN 333
FRACTAL ANALYSIS OFGOLD GRADE IN CANGSHANG GOLD DEPOSIT, NORTHWESTERN
JIAODONG, CHINA Z 5. YANG, H. Y. LI, Z. M. GAO, Z. J. DING, ANDT. Y. LUO
333
COMPARISON OF SIZE-EXCLUSION CHROMATOGRAPHIC GELS FOR THE
CHARACTERIZATION OF POLYMERIC SILICA D. M. YATES AND P. J. HEANEY 334
THE NIOBIUM-92-ZIRCONIUM-92 P-PROCESS CHRONOMETER Q. Z. YIN, I. HORN, W.
F. MCDONOUGH, J. ZIPFEL, S. B. JACOBSEN, ANDR. L RUDNICK 334
PRECISE AND ACCURATE CALIBRATION OF OSMIUM SPIKE
Q. Z. YIN, C.-T. LEE, W. F. MCDONOUGH, I. HORN, R. L RUDNICK, ANDS. B.
JACOBSEN 335
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1 NINTH ANNUAL V. M. GOLDSCHMIDT CONFERENCE
MOLYBDENUM- AND TUNGSTEN-ISOTOPIC SIGNATURES IN THE EARLY SOLAR SYSTEM
Q. Z. YIN, K. YAMASHITA, AND S. B. JACOBSEN 335
COMPARISON BETWEEN FIELD AND LABORATORY RATES OF RHYOLITE WEATHERING T.
YOKOYAMA AND J. F. BANFIELD 336
SOURCE TRACING OF ARCHEOLOGICAL COPPER SMELTING ORE BY IN SITU ISOTOPIC
MEASUREMENTS BY LASER ABLATION INDUCTIVELY COUPLED PLASMA MASS
SPECTROMETRY USING QUADRUPOLE AND MULTICOLLECTOR TECHNIQUES S. M. M.
YOUNG, I. HORN, D. MILLER, J. CANTLE, F. KEENAN, AND I. BOWEN 337
GEOLOGIC ASSESSMENT OF THE BIOGEOCHEMICAL FEEDBACK RESPONSE TO THE
CLIMATIC AND CHEMICAL PERTURBATIONS OF THE LATE PALEOCENE THERMAL
MAXIMUM J. C. ZACHOS ANDG. R. DICKENS 337
CARBON DIOXIDE CYCLING: CLIMATE, IMPACTS, AND THE FAINT YOUNG SUN K. J.
ZAHNLEANDN. H. SLEEP 338
DYNAMICAL SIGNATURES OF LIVING SYSTEMS M.ZAK 338
HYDROLOGIC CONSTRAINTS ON THE LOCALIZATION OF SEDIMENT-HOSTED GOLD ORE
BODIES OF SOUTHWESTERN GUIZHOU, CHINA C.-B. ZHANG AND Z.-R. ZHANG 339
SUBCHRONIC TOXICITY OF RARE EARTH ELEMENTS AND ESTIMATED DAILY INTAKE
ALLOWANCE H. ZHANG, W. F. ZHU, AND J. FENG 339
COULD THELATE PERMIAN, DEEP OCEAN HAVE BEEN ANOXIC? R. ZHANG, M. J.
FOLLOWS, J. GROTZINGER, AND J. C. MARSHALL 339
EXPERIMENTAL DETERMINATION OF THE DEPENDENCE OF WATER SPECIATION ON
CONTROLLED COOLING RATE Y. ZHANG AND Z. XU 339
COMPARATIVE STUDIES OFRARE EARTH ELEMENTS IN GROUNDWATERS AND AQUIFER
MATERIALS FROM THE SOUTHERN GREAT BASIN
X. ZHOU, K. H. JOHANNESSON, K. J. STETZENBACH, C. GUO, AND I. M. FARNHAM
340
NATURAL VARIATIONS OF IRON AND COPPER ISOTOPES DETERMINED BY PLASMA
SOURCE MASS SPECTROMETRY: APPLICATIONS TO GEOCHEMISTRY AND
COSMOCHEMISTRY X. K. ZHU, N. S. BELSHAW, Y. GUO, ANDR. K. O NIONS 341
TERTIARY SEAWATER CHEMISTRY: IMPLICATIONS FROM FLUID INCLUSIONS IN
HALITE H. ZIMMERMANN 341
STABILITY OF POLYCYCLIC AROMATIC HYDROCARBONS IN THE SOLARNEBULA
M. YU. ZOLOTOV AND E. L SHOCK 341
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| spelling | V. M. Goldschmidt Conference 9 1999 Boston, Mass. Verfasser (DE-588)1801190-1 aut Ninth Annual V. M. Goldschmidt Conference August 22 - 27, 1999, Harvard University, Cambridge, Massachusetts ; [abstracts] hosted by Department of Earth and Planetary Sciences, Harvard University Houston, Tex. Lunar and Planetary Institute 1999 XLIX, 342 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier LPI contribution 971 (DE-588)1071861417 Konferenzschrift gnd-content Lunar and Planetary Institute <Houston, Tex.> LPI contribution 971 (DE-604)BV026516584 971 GBV Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=022092660&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Ninth Annual V. M. Goldschmidt Conference August 22 - 27, 1999, Harvard University, Cambridge, Massachusetts ; [abstracts] |
| subject_GND | (DE-588)1071861417 |
| title | Ninth Annual V. M. Goldschmidt Conference August 22 - 27, 1999, Harvard University, Cambridge, Massachusetts ; [abstracts] |
| title_auth | Ninth Annual V. M. Goldschmidt Conference August 22 - 27, 1999, Harvard University, Cambridge, Massachusetts ; [abstracts] |
| title_exact_search | Ninth Annual V. M. Goldschmidt Conference August 22 - 27, 1999, Harvard University, Cambridge, Massachusetts ; [abstracts] |
| title_full | Ninth Annual V. M. Goldschmidt Conference August 22 - 27, 1999, Harvard University, Cambridge, Massachusetts ; [abstracts] hosted by Department of Earth and Planetary Sciences, Harvard University |
| title_fullStr | Ninth Annual V. M. Goldschmidt Conference August 22 - 27, 1999, Harvard University, Cambridge, Massachusetts ; [abstracts] hosted by Department of Earth and Planetary Sciences, Harvard University |
| title_full_unstemmed | Ninth Annual V. M. Goldschmidt Conference August 22 - 27, 1999, Harvard University, Cambridge, Massachusetts ; [abstracts] hosted by Department of Earth and Planetary Sciences, Harvard University |
| title_short | Ninth Annual V. M. Goldschmidt Conference |
| title_sort | ninth annual v m goldschmidt conference august 22 27 1999 harvard university cambridge massachusetts abstracts |
| title_sub | August 22 - 27, 1999, Harvard University, Cambridge, Massachusetts ; [abstracts] |
| topic_facet | Konferenzschrift |
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