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Introducing the essentials of modern geochemistry for students across the Earth and environmental sciences, this new edition emphasises the general principles of this central discipline. Focusing on inorganic chemistry, Francis Albarede's refreshing approach is brought to topics that range from measuring geological time to the understanding of climate change. The author leads the student through the necessary mathematics to understand the quantitative aspects of the subject in an easily understandable manner. The early chapters cover the principles and methods of physics and chemistry that underlie geochemistry, to build the students' understanding of concepts such as isotopes, fractionation, and mixing. These are then applied across many of the environments on Earth, including the solid Earth, rivers, and climate, and then extended to processes on other planets. Three new chapters have been added - on stable isotopes, biogeochemistry, and environmental geochemistry. End-of-chapter student exercises, with solutions available online, are also included.

Geochemistry: An Introduction

Foreword to the English edition; Foreword to the French edition; Introduction; 1. The properties of elements; 2. Mass conservation and elemental fractionation; 3. Fractionation of stable isotopes; 4. Geochronology and radiogenic tracers; 5. Element transport; 6. Geochemical systems; 7. The chemistry of natural waters; 8. Biogeochemistry; 9. Environments; 10. Mineral reactions; 11. The solid Earth; 12. The geochemical variability of magmas; 13. The Earth in the Solar System; 14. The element barn; Appendix A. Composition of the major geological units; Appendix B. The mixing equation for ratios; Appendix C. A refresher on thermodynamics; Appendix D. The geological time scale; Appendix E. An overview of analytical methods; Appendix F. Physical and geophysical constants; Appendix G. Some equations relative to residence time; Index.