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Contents
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About this book
This book provides a comprehensive and critical summary of clay mineral literature that relates to geology and geologic processes, making it useful both as a reference book for geologists and as a text for the specialist. The book encompasses the full scope of clay-shale geology. An introductory chapter provides basic background terminology and classification. This is followed by a relatively long chapter on the structure and composition of the various clay minerals. Chapter 3 provides an introduction to soil formation, chemical weathering, microbial alteration and the pedogenic formation of clay minerals. Chapters 4 and 5 cover the continental and marine transport, and deposition of clays. Both mechanisms and examples are presented, ranging from biodepositional to the nepheloid layer. Chapter 6 reviews data on the low to high temperature formation of clay minerals from marine volcanics, and the growth of authigenic clays in shallow marine, brackish, and evaporite environments. Chapter 7, Diagenesis Metamorphism, covers both burial diagenesis and the processes occurring during the conversion of shale to clay.
Contents
I. Background. Nomenclature. II. Structure and Composition. Kaolin. Serpentine. Illite. Phengite. Smectite. Mixed-layer illite/smectite (I/S). Chlorite and chloritics. Vermiculite. Glauconite, celadonite. Talc, kerolite. Sepiolite, palygorskite. III. Soils and Weathering. Soil formation. Climate (and other factors). Chemical weathering processes. Pedogenic formation of physils. IV. Continental Transport and Deposition. Rivers. Estuaries. Marshes and tidal flats. Deltas. Lakes. V. Marine Transport and Deposition. Water transport. Atmospheric transport. Ice transport. Distribution of physils in the oceans. VI. "Authigenic Marine" Physils. Exchange reactions. Physil dissolution and precipitation. Formation of physils from marine volcanics. Physils that grow in shallow marine, brackish, and evaporitic environments. VII. Diagenesis Metamorphism. Diagenesis. Beyond diagenesis. Organic and physil paleothermometers. VIII. Physils in Sandstones. Introduction. Examples. IX. Evolution of Physils and Continents. Introduction. Precambrian. Early Paleozoic. Cambrian. Ordovician. Silurian. Devonian. Carboniferous. Permian. Triassic. Jurassic. Cretaceous. Cenozoic. Pleistocene. Paleoatlantic. X. Lithification and Petrology. Compaction. Sedimentary structures. Composition. Color. Thin sections. References. Author Index. Subject Index.
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