Essentials of Geochemistry

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Updated throughout with the latest data and findings, the second edition of Essentials of Geochemistry provides students with a foundation in geochemistry and an introduction to the approaches used in modern geochemical analysis. The text uses a “concepts of chemical equilibrium” approach, which considers the reactions that occur as a result of changes in heat production and pressure within the Earth, to introduce students to basic geochemical principles. This text is suited to those who want a quantitative treatment that integrates the principles of thermodynamics, solution chemistry, and kinetics into the study of Earth processes. This timely text contains numerous examples and problem sets, which use SUPCRT92, to allow students to test their understanding of thermodynamic theory and maximize their comprehension of this prominent field. New sections introduce current “hot” topics such as global geochemical change with the short- and long-term carbon cycle, carbon isotopes and the Permo-Triassic extinction event, kinetics and the origin of life, and the use of boron and nitrogen isotopes. Key Features The SUPCRT92 software allows students to work through thermodynamic calculations in the end-of-chapter problem sets. Includes discussions of the development of the Earth’s atmosphere, ozone, and the long- and short-term carbon cycles in Chapter 16. An expanded chapter on stable isotopes (Chapter 11) includes updated discussions of carbon, sulfur, and boron isotopes through time and global climate change. A solid introduction to organic geochemistry in Chapter 15 includes new material on cellular chemical reactions, kinetics, and the origin of life. An online Instructor’s Solutions Manual and Image Bank. About The Author John V. Walther, PhD - Southern Methodist University Professor Walther’s research considers problems in experimental and theoretical aqueous geochemistry including mineral surface sorption reactions, kinetics of dissolution, and mineral solubilities asa function of temperature, pressure and solution composition. He maintains hydrothermal and wet-chemical laboratories to help understand fluid-mineral reactions in geological processes. His teaching responsibilities involve educating undergraduate and graduate students about how geochemical principles can be used to help understand chemical interactions in the natural world around them and humankind’s effect on it. Professor Walther earned his B.A. in Geology and Mathematics at Oberlin College and his M.A. and Ph. D. in Geology at the University of California, Berkeley. Table of Contents Chapter 1: Introduction Chapter 2: The Earth’s Aggregate Physical and Chemical State Chapter 3: Introduction to Thermodynamics Chapter 4: Solutions and Simple Phase Relations Chapter 5: Mineral Chemistry Chapter 6: Aqueous Solutions Chapter 7: Chemistry of Natural Waters Chapter 9: Chemical Controls on Soil Formation, Diagenesis, Metamorphism, and Hydrothermal Ore Deposition Chapter 10: Radioactive Isotope Geochemistry Chapter 11: Stable Isotope Geochemistry Chapter 12: Surface Sorption Geochemistry Chapter 13: Chemical Kinetics Chapter 14: Oxidation and Reduction Chapter 15: Organic Geochemistry Chapter 16: Atmospheric Chemistry Appendices: A Symbols and abbreviations