Clays in Crustal Environments

1 An Introduction to Clay Minerals and Isotope Geochemistry.- 1 Fundamentals of Clay Mineralogy.- 2 Principles of Isotope Geochemistry.- 3 Specific Aspects of Clay Isotope Geochemistry.- 4 Summary.- 2 Isotope Geochemistry of Clay Minerals in Continental Weathering Environments.- 1 Clay Authigenesis in Soil Profiles.- 2 Clay Weathering and Alteration in Soils.- 3. Summary.- 3 Isotope Geochemistry of Clay Minerals in Young Continental and Oceanic Sediments.- 1 Recent Continental Erosional Debris and Clay Sediments.- 2 Terrigenous Clays in Young Ocean Basins.- 3 Authigenic Clays in Young Deep-Ocean Basins.- 4 Isotopic Evolution of Clays in Buried Deep-Ocean Sediments.- 5 Summary.- 4 Isotope Geochemistry of Clays and Clay Minerals from Sedimentary Rocks.- 1 Syndepositional Evolution of Clay Minerals in Argillaceous Sedimentary Rocks.- 2 Diagenetic Evolution of Clay Minerals in Deeply Buried Shales and Sandstones.- 3 Isotopic Records of Clay Diagenesis in Formation Waters.- 4 Summary.- 5 Isotope Geochemistry of Mica-Type Minerals from Low-Temperature Metamorphic Rocks.- 1 Isotope Geochemistry of Mica-Type Minerals in Different Metamorphic Environments.- 2 Isotope Geochemistry of Mica-Type Minerals Related to Metamorphic Rock Lithology.- 3 Isotope Geochemistry of Mica-Type Minerals Under Hydrothermal Conditions.- 4 Summary.- 6 The Frontiers of Clay Isotope Geochemistry.- 1 Isotope Geochemistry as a Dating Tool for Clay Minerals.- 2 Isotope Geochemistry as a Record of the Physical and Chemical Conditions of Clay Formation.- 3 Can Isotope Geochemistry Elucidate the Concept of Clay Genesis?.- References.