Magma Redox Geochemistry (eBook)
432 Seiten
John Wiley & Sons (Verlag)
978-1-119-47329-9 (ISBN)
The redox state is one of the master variables behind the Earth's forming processes, which at depth concern magma as the major transport agent. Understanding redox exchanges in magmas is pivotal for reconstructing the history and compositional make-up of our planet, for exploring its mineral resources, and for monitoring and forecasting volcanic activity.
Magma Redox Geochemistry describes the multiple facets of redox reactions in the magmatic realm and presents experimental results, theoretical approaches, and unconventional and novel techniques.
Volume highlights include:
* Redox state and oxygen fugacity: so close, so far
* Redox processes from Earth's accretion to global geodynamics
* Redox evolution from the magma source to volcanic emissions
* Redox characterization of elements and their isotopes
The American Geophysical Union promotes discovery in Earth and space science for the benefit of humanity. Its publications disseminate scientific knowledge and provide resources for researchers, students, and professionals.
Roberto Moretti, Université de Paris, Institut de Physique du Globe de Paris, France. Daniel R. Neuville, Université de Paris, Institut de Physique du Globe de Paris, France.
List of Contributors vii
Preface ix
1 Redox Equilibria: From Basic Concepts to the Magmatic Realm 1
Roberto Moretti and Daniel R. Neuville
Part I: Redox from the Earth's Accretion to Global Geodynamics 19
2 Redox Processes Before, During, and After Earth's Accretion Affecting the Deep Carbon Cycle 21
Vincenzo Stagno and Sonja Aulbach
3 Oxygen Fugacity Across Tectonic Settings 33
Elizabeth Cottrell, Suzanne K. Birner, Maryjo Brounce, Fred A. Davis, Laura E. Waters, and Katherine A. Kelley
4 Redox Variables and Mechanisms in Subduction Magmatism and Volcanism 63
Katy A. Evans and Andy G. Tomkins
5 Redox Melting in the Mantle 93
Stephen F. Foley
Part II: Redox at Work: From Magma Sources to Volcanic Phenomena 115
6 Ionic Syntax and Equilibrium Approach to Redox Exchanges in Melts: Basic Concepts and the Case of Iron and Sulfur in Degassing Magmas 117
Roberto Moretti
7 The Petrological Consequences of the Estimated Oxidation State of Primitive MORB Glass 139
Paul D. Asimow
8 Oxygen Content, Oxygen Fugacity, the Oxidation State of Iron, and Mid-Ocean Ridge Basalts 155
Andrew J. Berry and Hugh St.C. O'Neill
9 Chromium Redox Systematics in Basaltic Liquids and Olivine 165
Aaron S. Bell
10 The Thermodynamic Controls on Sulfide Saturation in Silicate Melts with Application to Ocean Floor Basalts 177
Hugh St.C. O'Neill
11 Redox State of Volatiles and Their Relationships with Iron in Silicate Melts: Implications for Magma Degassing 215
Nicole Métrich
12 Iron in Silicate Glasses and Melts: Implications for Volcanological Processes 233
Charles Le Losq, Maria Rita Cicconi, and Daniel R. Neuville
Part III: Tools and Techniques to Characterize the Redox and its Effect on Isotope Partitioning 255
13 How to Measure the Oxidation State of Multivalent Elements in Minerals, Glasses, and Melts? 257
Daniel R. Neuville, Maria Rita Cicconi, and Charles Le Losq
14 Oxidation State, Coordination, and Covalency Controls on Iron Isotopic Fractionation in Earth's Mantle and Crust: Insights from First-Principles Calculations and NRIXS Spectroscopy 283
Marc Blanchard and Nicolas Dauphas
15 The Role of Redox Processes in Determining the Iron Isotope Compositions of Minerals, Melts, and Fluids 303
Paolo A. Sossi and Baptiste Debret
16 Zinc and Copper Isotopes as Tracers of Redox Processes 331
Edward C. Inglis and Frédéric Moynier
17 Mineral-Melt Partitioning of Redox-Sensitive Elements 345
Guilherme Mallmann, Antony D. Burnham, and Raul O.C. Fonseca
18 Titanomagnetite - Silicate Melt Oxybarometry 369
Róbert Arató and Andreas Audétat
19 The Redox Behavior of Rare Earth Elements 381
Maria Rita Cicconi, Charles Le Losq, Grant S. Henderson, and Daniel R. Neuville
Index 399
Erscheint lt. Verlag | 14.9.2021 |
---|---|
Reihe/Serie | Geophysical Monograph Series | Geophysical Monograph Series |
Sprache | englisch |
Themenwelt | Naturwissenschaften ► Geowissenschaften ► Geologie |
Naturwissenschaften ► Geowissenschaften ► Geophysik | |
Naturwissenschaften ► Physik / Astronomie | |
Schlagworte | Chemie • Chemistry • earth sciences • Environmental Chemistry • Geochemie • Geochemie, Mineralogie • Geochemistry & Minerology • Geowissenschaften • Igneous & Metamorphic Petrology and Volcanology • Petrologie u. Vulkanologie eruptiver u. metamorpher Systeme • Umweltchemie |
ISBN-10 | 1-119-47329-2 / 1119473292 |
ISBN-13 | 978-1-119-47329-9 / 9781119473299 |
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