The transport and depositional mechanism of high grade mixed-magma ignimbrite TL, Gran Canaria: the morphology of a lava-like flow
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | German |
| Veröffentlicht: |
Kiel
GEOMAR
1994
|
| Schriftenreihe: | GEOMAR report
27 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | Zugl.: Kiel, Univ., Diss., 1993 |
| Beschreibung: | 224 S. Ill., graph. Darst., Kt. |
Internformat
MARC
| LEADER | 00000nam a2200000 cb4500 | ||
|---|---|---|---|
| 001 | BV009958538 | ||
| 003 | DE-604 | ||
| 005 | 19950123 | ||
| 007 | t | ||
| 008 | 941212s1994 gw abd| m||| 00||| ger d | ||
| 016 | 7 | |a 942775732 |2 DE-101 | |
| 035 | |a (OCoLC)180601632 | ||
| 035 | |a (DE-599)BVBBV009958538 | ||
| 040 | |a DE-604 |b ger |e rakddb | ||
| 041 | 0 | |a ger | |
| 044 | |a gw |c DE | ||
| 049 | |a DE-12 | ||
| 100 | 1 | |a Sumner, Janet Margaret |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a The transport and depositional mechanism of high grade mixed-magma ignimbrite TL, Gran Canaria |b the morphology of a lava-like flow |c Janet Margaret Sumner. GEOMAR, Research Center for Marine Geosciences, Christian Albrechts University in Kiel |
| 264 | 1 | |a Kiel |b GEOMAR |c 1994 | |
| 300 | |a 224 S. |b Ill., graph. Darst., Kt. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 490 | 1 | |a GEOMAR report |v 27 | |
| 500 | |a Zugl.: Kiel, Univ., Diss., 1993 | ||
| 650 | 0 | 7 | |a Ignimbrit |0 (DE-588)4161242-5 |2 gnd |9 rswk-swf |
| 651 | 7 | |a Gran Canaria |0 (DE-588)4021811-9 |2 gnd |9 rswk-swf | |
| 655 | 7 | |0 (DE-588)4113937-9 |a Hochschulschrift |2 gnd-content | |
| 689 | 0 | 0 | |a Gran Canaria |0 (DE-588)4021811-9 |D g |
| 689 | 0 | 1 | |a Ignimbrit |0 (DE-588)4161242-5 |D s |
| 689 | 0 | |5 DE-604 | |
| 830 | 0 | |a GEOMAR report |v 27 |w (DE-604)BV005401767 |9 27 | |
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| 943 | 1 | |a oai:aleph.bib-bvb.de:BVB01-006599206 | |
Datensatz im Suchindex
| _version_ | 1808046833351524352 |
|---|---|
| adam_text |
TABLE
OF
CONTENTS
ABSTRACT
.
I
CHAPTER
1:
INTRODUCTION
.
1
1.1
THE
PROBLEMS
TO
BE
STUDIED
.
1
1.2
PREVIOUS
STUDIES
ON
IGNIMBRITE
TL
.
1
1.3
PERSPECTIVES
OF
THIS
STUDY
.
2
1.4
THE
GEOLOGY
OF
GRAN
CANARIA
.
3
1.4.1
REGIONAL
SETTING
.
3
1.4.2
GRAN
CANARIA
.
3
1.4.3
MOGAN
FORMATION
.
7
1.5
TERMINOLOGY
.
7
CHAPTER
2:
FIELD
STUDIES
.
10
2.1
INTRODUCTION
.
10
2.2
INTERNAL
STRATIGRAPHY
OF
TL
.
10
2.3
DEFINITION
AND
CLASSIFICATION
OF
LITHOFACIES
.
13
2.3.1
LITHOFACIES
GROUPS
.
14
2.4
LITHOFACIES
IN
UNIT
TL1
.
21
2.4.1
TL
COMENDITE
LITHOFACIES
GROUP
.
23
2.4.2
TL
MIXED
ROCK
LITHOFACIES
GROUP
.
27
2.4.3
TL
TRACHYTE
LITHOFACIES
GROUP
.
32
2.5
LITHOFACIES
IN
UNIT
TL2
.
33
2.5.1
PROXIMAL
LITHOFACIES
OF
TL2
.
33
2.5.1.1
TL
COMENDITE
LITHOFACIES
GROUP
.
35
2.5.1.2
TL
MIXED
ROCK
LITHOFACIES
GROUP
.
38
2.5.1.3
TL
TRACHYTE
LITHOFACIES
GROUP
.
39
2.5.2
DISTAL
LITHOFACIES
OF
TL2
.
41
2.5.2.1
TL
COMENDITE
LITHOFACIES
GROUP
.
44
2.5.2.2
TL
MIXED
ROCK
LITHOFACIES
GROUP
.
45
2.5.2.3
TL
TRACHYTE
LITHOFACIES
GROUP
.
52
2.6
REGIONAL
VARIATION
.
57
2.7
TOPOGRAPHY
CONTROLLED
VARIATION
.
59
2.7.1
DISTRIBUTION
OF
TL1
AND
TL2
.
59
2.7.2
DISTRIBUTION
OF
LITHOFACIES
.
62
2.7.3
ASYMMETRIC
WELDING
.
66
2.8
CONCLUSIONS
.
68
CHAPTER
3:
TEXTURES
AND
FABRICS
.
69
3.1
INTRODUCTION
.
69
3.2
VARIATION
IN
PARTICLE
COMPOSITION
WITH
HEIGHT
.
69
3.3
FIAMME
MORPHOLOGY
AND
DEFORMATION
.
70
3.4 AXIAL
RATIOS
OF
FIAMME
AS
INDICATORS
OF
WELDING
INTENSITY
.
74
3.5
VARIATION
IN
AXIAL
RATIOS
OF
FIAMME
IN
TL
.
74
3.6
MICROFABRICS
.
76
3.6.1
RESULTS
OF
PILOT
STUDY
.
77
3.7
GEOGRAPHICAL
DISTRIBUTION
AND
FLOW
LINEATIONS
.
85
3.8
CONCLUSIONS
.
88
CHAPTER
4:
PETROGRAPHY
OF
TL
LITHOFACIES
.
89
4.1
INTRODUCTION
.
89
4.2
LITHOFACIES
AND
COMPOSITION
OF
TL
.
89
4.3.
MINERALOGY
.
90
4.3.1
CRYSTAL
ASSEMBLAGE
IN
TL
COMENDITE
.
90
4.3.2
CRYSTAL
ASSEMBLAGE
IN
TL
TRACHYTE
.
93
4.3.3
MINERAL
CHEMISTRY
.
95
4.4
OTHER
COMPONENTS
IN
TL
.
ILL
4.4.1
TL
TRACHYBASALT
GLOBULES
.
ILL
4.4.2
PYROCLASTS
.
114
4.4.3
NON-JUVENILE
ROCK
FRAGMENTS
.
117
4.4.4
LENTICULES
.
118
4.5
MATRIX
TEXTURES
IN
TL
.
118
4.5.1
WELDING
TEXTURES
.
119
4.5.2
DEVITRIFICATION
TEXTURES
.
122
4.6 VAPOUR
PHASE
CRYSTALLISATION
.
122
4.7
SECONDARY
ALTERATION
.
125
4.8
DISCUSSION
.
125
4.9
CONCLUSIONS
.
128
CHAPTER
5:
WHOLE
ROCK
CHEMISTRY
.
129
5.1
INTRODUCTION
.
129
5.2
GEOCHEMISTRY
OF
THE
LITHOFACIES
.
129
5.2.1
IDENTIFICATION
OF
LITHOFACIES
GROUPS
.
129
5.2.2
VERTICAL
VARIATION
IN
THE
COMPOSITION
OF
TL
.
134
5.2.3
MAJOR
AND
TRACE
ELEMENT
VARIATION
.
138
5.2.4
FRACTIONATION
TRENDS
.
139
5.3
DISCUSSION
.
142
5.3.1
DIFFERENTIATION
OF
TL
MAGMAS
BY
FRACTIONATIONAL
CRYSTALLISATION
AND
MIXING
.
142
5.3.2
IMPLICATIONS
OF
PERALKALINE
CHEMISTRY
.
144
5.4
CONCLUSIONS
.
147
CHAPTER
6:
MAGMA
MIXING
AND
MINGLING
IN
TL
.
148
6.1
INTRODUCTION
.
148
6.2
MIXING
AND
MINGLING
IN
THE
MAGMA
CHAMBER
.
149
6.2.1
MIXING
.
149
6.2.2
MINGLING
.
150
6.3
MINGLING
IN
THE
CONDUIT
DURING
WITHDRAWAL
.
154
6.4
PARTICULATE
MIXING
DURING
TRANSPORT
.
157
6.5
MINGLING
OF
FACIES
DURING
POST-DEPOSITIONAL
DEFORMATION
.
158
6.6
DISCUSSION
.
159
6.6.1
MODEL
FOR
MIXING,
MINGLING
AND
ERUPTION
OF
TL
.
159
6.6.2
GENERATION
OF
TL1
AND
TL2
.
161
6.7
CONCLUSIONS
.
166
CHAPTER
7:
DEPOSITION
AND
DEFORMATION
OF
TL
.
167
7.1
INTRODUCTION
.
167
7.2
CHARACTERISTICS
OF
HIGH
GRADE
PERALKALINE
IGNIMBRITES
.
167
7.3
FLOW
DYNAMICS
.
169
7.4
DISCUSSION
OF
TERMINOLOGY
.
170
7.5
REVIEW
OF
HIGH
GRADE
IGNIMBRITE
EMPLACEMENT
MECHANISMS
.
174
7.6
EVIDENCE
FOR
PROGRESSIVE
AGGRADATION
OF
TL
.
178
7.7
TEXTURAL
EVIDENCE
OF
A
PARTICULATE
TO
NON-PARTICULATE
FLOW
TRANSITION
IN
TL2
.
184
7.8
SUMMARY
AND
CONCLUSIONS
.
187
7.9
AGGLUTINATE
STABILITY
AND
VISCOSITY
.
189
7.10
POST-DEPOSITIONAL
DEFORMATION
OF
TL2
.
194
7.10.1
LATERAL
SPREADING
AND
SLUMPING:
THE
EFFECT
OF
COMPETENCY
CONTRASTS
194
7.10.2
BRECCIATION:
BRITTLE
DEFORMATION
.
195
7.10.3
HOT
LOADING:
PLASTIC
DEFORMATION
.
198
7.11
DEFORMATION
IN
RESPONSE
TO
TOPOGRAPHY
.
200
7.11.1
EXTENSIONAL
DEFORMATION
.
200
7.11.2
COMPRESSIONAL
DEFORMATION
.
200
7.12
THE
MORPHOLOGY
OF
A
LAVA-LIKE
IGNIMBRITE
.
206
7.13
CONCLUSIONS
.
209
CHAPTER
8:
CONCLUSIONS
.
212
REFERENCES
217 |
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| genre_facet | Hochschulschrift |
| geographic | Gran Canaria (DE-588)4021811-9 gnd |
| geographic_facet | Gran Canaria |
| id | DE-604.BV009958538 |
| illustrated | Illustrated |
| indexdate | 2024-08-22T00:50:25Z |
| institution | BVB |
| language | German |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-006599206 |
| oclc_num | 180601632 |
| open_access_boolean | |
| owner | DE-12 |
| owner_facet | DE-12 |
| physical | 224 S. Ill., graph. Darst., Kt. |
| publishDate | 1994 |
| publishDateSearch | 1994 |
| publishDateSort | 1994 |
| publisher | GEOMAR |
| record_format | marc |
| series | GEOMAR report |
| series2 | GEOMAR report |
| spelling | Sumner, Janet Margaret Verfasser aut The transport and depositional mechanism of high grade mixed-magma ignimbrite TL, Gran Canaria the morphology of a lava-like flow Janet Margaret Sumner. GEOMAR, Research Center for Marine Geosciences, Christian Albrechts University in Kiel Kiel GEOMAR 1994 224 S. Ill., graph. Darst., Kt. txt rdacontent n rdamedia nc rdacarrier GEOMAR report 27 Zugl.: Kiel, Univ., Diss., 1993 Ignimbrit (DE-588)4161242-5 gnd rswk-swf Gran Canaria (DE-588)4021811-9 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Gran Canaria (DE-588)4021811-9 g Ignimbrit (DE-588)4161242-5 s DE-604 GEOMAR report 27 (DE-604)BV005401767 27 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=006599206&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Sumner, Janet Margaret The transport and depositional mechanism of high grade mixed-magma ignimbrite TL, Gran Canaria the morphology of a lava-like flow GEOMAR report Ignimbrit (DE-588)4161242-5 gnd |
| subject_GND | (DE-588)4161242-5 (DE-588)4021811-9 (DE-588)4113937-9 |
| title | The transport and depositional mechanism of high grade mixed-magma ignimbrite TL, Gran Canaria the morphology of a lava-like flow |
| title_auth | The transport and depositional mechanism of high grade mixed-magma ignimbrite TL, Gran Canaria the morphology of a lava-like flow |
| title_exact_search | The transport and depositional mechanism of high grade mixed-magma ignimbrite TL, Gran Canaria the morphology of a lava-like flow |
| title_full | The transport and depositional mechanism of high grade mixed-magma ignimbrite TL, Gran Canaria the morphology of a lava-like flow Janet Margaret Sumner. GEOMAR, Research Center for Marine Geosciences, Christian Albrechts University in Kiel |
| title_fullStr | The transport and depositional mechanism of high grade mixed-magma ignimbrite TL, Gran Canaria the morphology of a lava-like flow Janet Margaret Sumner. GEOMAR, Research Center for Marine Geosciences, Christian Albrechts University in Kiel |
| title_full_unstemmed | The transport and depositional mechanism of high grade mixed-magma ignimbrite TL, Gran Canaria the morphology of a lava-like flow Janet Margaret Sumner. GEOMAR, Research Center for Marine Geosciences, Christian Albrechts University in Kiel |
| title_short | The transport and depositional mechanism of high grade mixed-magma ignimbrite TL, Gran Canaria |
| title_sort | the transport and depositional mechanism of high grade mixed magma ignimbrite tl gran canaria the morphology of a lava like flow |
| title_sub | the morphology of a lava-like flow |
| topic | Ignimbrit (DE-588)4161242-5 gnd |
| topic_facet | Ignimbrit Gran Canaria Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=006599206&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV005401767 |
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