We are an authorized, direct-from-the-publisher retailer of NEW books. Our titles are ON HAND and available for immediate shipping. Table of Contents This is the ultimate photographic guide to the many fascinating types of rock in existence. It will give the amateur geologist, enthusiast and new student a thorough grounding in how specific rocks form, where they can be found, and how they may be subject to change over time - as well as forming an essential handbook and quick reference for even the most experienced geologist. A comprehensive visual introduction explains the mechanics of rock formation, with inspirational photographs of some of the world's most bizarre and beautiful geological wonders. Expertly-written text clarifies the impact of factors such as heat, pressure, time, weather and water on both intrusive and extrusive rock environments, and explains why some rocks metamorphose into new types. There are also many tips for the beginner and amateur on sourcing rocks in the field, using geological maps and other tools, and identifying collected specimens on sight. Then a photographic directory illustrates 160 different types of igneous, sedimentary and metamorphic rock, including ancient rocks such as greenstone, extremely rare rocks such as the colourful eclogite, and pegmatites, long prized for their beauty. Rocks are grouped according to major categories, and then classed more specifically by composition. All entries include quick-reference identification checklists to aid classification, and practical information on how rocks are extracted, and adapted, for use by humankind. With over 350 specially-commissioned colour photographs, to enable the reader to identify rocks in the field or from collections, this is a fascinating encyclopedia and field guide to these enduring marvels of nature. - A full-colour natural history encyclopedia featuring rocks from around the world, with expert analysis, stunning visual examples and 350 artworks and photographs
- An extensive directory of 160 specimens identifies and categorises rocks in family groups according to their composition, to enable the reader to gauge shared characteristics and distinguish between similar types
- An authoritative and accessible section on how rocks form explains the geological processes at work in the environment, including mountain-building, volcanic activity, plate tectonics and metamorphism
- Tips on how to extract samples safely, and build a superior, colourful collection
- Includes special boxed features on geological wonders and the extraction and usage of rocks for industry and trade
- Includes simple identification techniques to enable the amateur geologist to classify rocks by quick and easy tests and comparisons
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