An experimental study of deep nitrogen geochemistry:
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| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
2013
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| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | 153 S. Ill., graph. Darst. |
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Datensatz im Suchindex
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| adam_text | IMAGE 1
TABLE OF CONTENTS
SUMMARY 1
ZUSAMMENFASSUNG 5
1. INTRODUCTION TO NITROGEN IN EARTH S INTERIOR 9
1.1. NITROGEN ABUNDANCE IN EARTH S DIFFERENT RESERVOIRS 9
1.2. NITROGEN ISOTOPIC COMPOSITION OF EARTH S DIFFERENT RESERVOIRS 10
1.3. NITROGEN SUBDUCTION 13
1.4. NITROGEN SPECIES IN EARTH S EARLY ATMOSPHERE 16
1.5. NITROGEN SPECIES IN EARTH S INTERIOR 18
1.6. NITROGEN DEGASSING AND THE EVOLUTION OF EARTH S ATMOSPHERE 19
1.7. OVERVIEW OF PREVIOUS EXPERIMENTAL STUDIES 20
1.7.1. NITROGEN SOLUBILITY IN LIQUID METAL AND NITROGEN PARTITIONING
BETWEEN LIQUID
METAL AND SILICATE MELT 20
1.7.2. NITROGEN SOLUBILITY IN SILICATE MELTS 22
1.7.3. SYNTHESIS OF NHZ-BEARING SILICATE MINERALS 23
1.8. RESEARCH OBJECTIVES OF THIS THESIS 24
2. EXPERIMENTAL AND ANALYTICAL METHODS 25
2.1. HYDROTHERMAL EXPERIMENTS 25
2.2. PISTON CYLINDER EXPERIMENTS 26
2.3. SIMS MEASUREMENT 28
2.4. RAMAN ANALYSIS 29
2.5. ELECTRON MICROPROBE 31
3. RESULTS AND DISCUSSION 32
3.1. NITROGEN SOLUBILITY IN UPPER MANTLE MINERALS 33
3.2. NITROGEN SPECIATION IN MANTLE AND CRUSTAL FLUIDS 34
3.3. NITROGEN DISTRIBUTION BETWEEN MAGMATIC MELT AND AQUEOUS FLUIDS 37
HTTP://D-NB.INFO/1042959080
IMAGE 2
4. REFERENCES 40
5. LIST OF MANUSCRIPTS AND STATEMENT OF THE AUTHOR S CONTRIBUTION 50
6. MANUSCRIPTS 51
6.1. NITROGEN SOLUBILITY IN UPPER MANTLE MINERALS 51
6.1.1. ABSTRACT 51
6.1.2. INTRODUCTION 52
6.1.3. EXPERIMENTAL METHODS 54
6.1.4. SIMS ANALYTICAL PROCEDURE 55
6.1.5. RESULTS 60
6.1.5.1. FORSTERITE 65
6.1.5.2. DIOPSIDE AND ENSTATITE 66
6.1.5.3. PYROPE 68
6.1.6. DISCUSSION 68
6.1.6.1. NITROGEN DISSOLUTION MECHANISM IN UPPER MANTLE MINERALS 68
6.1.6.2. NITROGEN STORAGE CAPACITY OF EARTH S UPPER MANTLE 71
6.1.6.3. NITROGEN PARTITIONING AND DEGASSING DURING MANTLE MELTING 74
6.1.6.4. NITROGEN RETENTION IN THE EARTH S YOUNG UPPER MANTLE 76
6.1.7. ACKNOWLEDGEMENTS 77
6.1.8. REFERENCES 77
6.2. NITROGEN SPECIATION IN MANTLE AND CRUSTAL FLUIDS 84
6.2.1. ABSTRACT 84
6.2.2. INTRODUCTION 84
6.2.3. METHODS 87
6.2.3.1. EXPERIMENTAL TECHNIQUE 87
6.2.3.1.1.2 KBAR EXPERIMENTS 87
6.2.3.1.2. HIGH PRESSURE EXPERIMENTS 89
IMAGE 3
6.2.3.2. RAMAN ANALYSIS AND QUANTIFICATION OF NH3 AND NI 89
6.2.4. RESULTS 93
6.2.4.1. FORWARD EXPERIMENTS AT 2 KBAR 93
6.2.4.2. FORWARD EXPERIMENTS AT PRESSURES ABOVE 10 KBAR 95
6.2.4.3. REVERSAL EXPERIMENTS AT 2 KBAR 99
6.2.4.4. REVERSAL EXPERIMENTS AT PRESSURES ABOVE 10 KBAR 100
6.2.4.5. CHANGE OF NITROGEN SPECIATION DURING QUENCHING 101
6.2.4.6. COMPARISON WITH THERMODYNAMIC CALCULATIONS 102
6.2.4.7. MODELS FOR NITROGEN SPECIATION IN FLUIDS 102
6.2.5. DISCUSSION 106
6.2.5.1. NITROGEN SPECIATION IN THE UPPER MANTLE FLUIDS 106
6.2.5.2. NITROGEN SPECIATION IN SUBDUCTION ZONE FLUIDS 108
6.2.5.3. ABIOTIC NH 3 DEGASSING INTO EARTH S ATMOSPHERE? 112
6.2.5.3.1. NITROGEN SPECIATION IN THE PRESENT CRUSTAL FLUIDS 112
6.2.5.3.2. NITROGEN SPECIATION IN FLUIDS OF THE SOLIDIFIED MAGMA OCEAN
115
6.2.5.3.3. IMPLICATIONS FOR THE ORIGIN OF LIFE AND CLIMATE ON THE EARLY
EARTH. 117
6.2.6. ACKNOWLEDGEMENTS 118
6.2.7. REFERENCES 118
6.3. NITROGEN DISTRIBUTION BETWEEN MAGMAT1C MELT AND AQEOUS
FLUIDS 127
6.3.1. ABSTRACT 127
6.3.2. INTRODUCTION 128
6.3.3. EXPERIMENTAL METHODS 129
6.3.3.1. STARTING MATERIALS 129
6.3.3.2. CAPSULE PREPARATION 130
6.3.3.3 HIGH PRESSURE EXPERIMENTS 131
6.3.4. RUN PRODUCTS AND ELECTRON MICROPROBE ANALYSIS OF NITROGEN 133
6.3.5. RESULTS 135
6.3.6. DISCUSSION 140
6.3.6.1. NITROGEN DISSOLUTION MECHANISM 140
IMAGE 4
6.3.6.2. A COMPARISON OF NITROGEN PARTITIONING WITH OTHER VOLATILES 144
6.3.6.3. MODELING NITROGEN DEGASSING OF MAGMAS 145
6.3.6.4. NITROGEN DEGASSING AND THE EVOLUTION OF EARTH S ATMOSPHERE 147
6.3.7. ACKNOWLEDGEMENTS 149
6.3.8. REFERENCES 149
ACKNOWLEDGEMENTS 153
|
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| author | Li, Yuan |
| author_facet | Li, Yuan |
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| discipline | Geographie |
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| language | English |
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| spelling | Li, Yuan Verfasser aut An experimental study of deep nitrogen geochemistry vorgelegt von Yuan Li 2013 153 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Bayreuth, Univ., Diss., 2013 Mit einer Zssfassung in dt. Sprache Stickstoffverbindungen (DE-588)4183288-7 gnd rswk-swf Geochemie (DE-588)4020198-3 gnd rswk-swf Erdinneres (DE-588)4152673-9 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Erdinneres (DE-588)4152673-9 s Stickstoffverbindungen (DE-588)4183288-7 s Geochemie (DE-588)4020198-3 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=026195767&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Li, Yuan An experimental study of deep nitrogen geochemistry Stickstoffverbindungen (DE-588)4183288-7 gnd Geochemie (DE-588)4020198-3 gnd Erdinneres (DE-588)4152673-9 gnd |
| subject_GND | (DE-588)4183288-7 (DE-588)4020198-3 (DE-588)4152673-9 (DE-588)4113937-9 |
| title | An experimental study of deep nitrogen geochemistry |
| title_auth | An experimental study of deep nitrogen geochemistry |
| title_exact_search | An experimental study of deep nitrogen geochemistry |
| title_full | An experimental study of deep nitrogen geochemistry vorgelegt von Yuan Li |
| title_fullStr | An experimental study of deep nitrogen geochemistry vorgelegt von Yuan Li |
| title_full_unstemmed | An experimental study of deep nitrogen geochemistry vorgelegt von Yuan Li |
| title_short | An experimental study of deep nitrogen geochemistry |
| title_sort | an experimental study of deep nitrogen geochemistry |
| topic | Stickstoffverbindungen (DE-588)4183288-7 gnd Geochemie (DE-588)4020198-3 gnd Erdinneres (DE-588)4152673-9 gnd |
| topic_facet | Stickstoffverbindungen Geochemie Erdinneres Hochschulschrift |
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