This is not a guide to identifying rocks, but a guide to land formation. It shows how to recognize the key field marks and how to use them to read geological history: plate movements, earthquakes,... This description may be from another edition of this product.
This book is a good introduction to the overall principals of geology as well as to the specific geology of the eastern US. There's lots of diagrams, maps, photos and an easy to read text. Sections include background information about geology, the major geological features of an area and what you would see along the major highways of that area.
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