While there are numerous guides and books about minerals - the constituents and building blocks of rocks - there are far fewer references covering rocks per se. Which is somewhat paradoxical, as it is rocks that are most accessible to rockhounds and geologists, it is rocks that are most commonly field collected by amateur and professional geologists, and it is in rocks that an area's underlying geology is most directly manifest and discoverable. The Complete Illustrated Guide to Rocks of the World is a welcome book about rocks. This richly illustrated reference, featuring more than 375 beautifully shot photographs and concise artworks, explains what rocks are, how they are created, and how differing geological environments and rock building processes affect the types of rocks that form, and how they weather, decay and transform. This book: � Includes expert analysis of the key rock-forming environments of the world, plus full advice on identifying rock types and building a spectacular collection. � Categorizes rocks into family groups according to their composition, to enable the reader to gauge shared characteristics and distinguish between similar types. � Explains how rocks form and the geological processes at work in the environment, including mountain building, volcanic activity, plate tectonics and metamorphism. � Provides simple identification techniques facilitating amateurs in classifying rocks by quick and easy tests and comparisons. The Complete Illustrated Guide to Rocks of the World is organized into two major sections, preceded by an introduction and followed by a glossary and index. The first major section, Understanding How Rocks are Made, explains Inside the Earth, Continents and Plates, The Moving Earth, Mountain Building, Earthquakes and Faults, Volcanoes, Igneous Features, The Rock Cycle, How Igneous Rocks Form, How Sedimentary Rocks Form, How Metamorphic Rocks Form, Rock Landscapes, The Ages of the Earth, Rocks and Fossils, How Minerals Form, Geological Maps, Reading the Landscape, Mineral Ores, Collecting Rocks and Minerals, and Classifying Rocks. The second major section, World Directory of Rocks, introduces rock identification and is organized into three subsections. The first subsection, Igneous Rocks, covers Volcanic Rocks: silica rich rocks, Andesites, Trachytes and spillite, Basalts, Glassy rocks, Volcanic froth and ash, Volcanic debris, Ultramafic rocks, Olivine-rich rocks and carbonatite, Syenites, Plutonic rocks: granite, Granitoids, Gabbro and diorite, Gabbroic rocks, Dyke, sill and vein rock, and Pegmatites. The second subsection, Sedimentary Rocks, covers Lutites, More mudrocks, Sandstones, Arenites and wackes, Rudites, Biochemical rocks, Limestones (carbonate rocks), Ooliths and dolostones, Chemical rocks, and Organic rocks. The third subsection, Metamorphic Rocks, covers Metamorphic rocks: non-foliated, Mafic metamorphic rocks, Marble, Foliated metamorphic rocks, Slate, Schists, Gneiss and Granulite, Rocks altered by fluids and other means, and Space rocks. The Complete Illustrated Guide to Rocks of the World is highly recommended as a geological primer and guide to classifying and identifying rocks, and is a reference that will be appreciated by beginning and advanced rockhounds and amateur geologists alike.

The Complete Illustrated Guide to Rocks of the World

SKU: 10258

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