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March 3, 2011

Geology Word of the Week: R is for Rock

“In spite of the difficulty in defining rocks, most rocks are easily recognized when you see them, and most are made of minerals or mineral-like substances. They are usually solid, hard, and heavy, compared to the other materials you see and use daily.”-From Rocks and How They Were Formed by, Herbert Zim, Golden Library of Science, 1961. Carbonate rocks, peridotite rocks, mountains, and field vehicles, Oman, January 2010. def. Rock:1. …


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