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rock+identification+additional+manual - ROCKS and how to...

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ROCKS ... and how to identify them ROCKS ... and how to identify them A tutorial program offered to you by the Applied Science Department of Glendale Community College presented by: Susan Celestian – Curator of the Arizona Mining and Mineral Museum Stan Celestian – Photographer and Instructor © copyright 2002
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THE ROCK CYCLE THE ROCK CYCLE Rocks are naturally occurring combinations or coherent aggregates of minerals, fossils or other hard materials. They are classified by the way in which they form. The three rock types are: igneous, sedimentary and metamorphic. All rocks on Earth are locked into a system of cycling and re-cycling known as the ROCK CYCLE .
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