Learn about how rocks and formed as well as how to identify the basic types of rocks with the DK "What's that Rock or Mineral" beginner's guide. This slim, pocket-sized volume covers rocks by grain-type; entries include a full-color picture along with a description. A Rock Gallery section displays the rocks profiled in the book, grouped by igneous, sedimentary, or metamorphic type, and arranged by grain size; a gallery of minerals follow. 128 pages, softcover. 4" x 7.5".
Compact and portable, What's That Rock, Mineral or Gem? is an indispensable beginner's pocket guide to identifying the 150 most common North American rocks and minerals.
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