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Rock Gypsum

Pictures of Sedimentary Rock Types


Rock gypsum is an evaporite rock that forms as shallow sea basins or salt lakes dry up enough for the mineral gypsum to come out of solution. (click full size)
An evaporite and industrial staple

See more in the Nevada Geology Gallery

Photo (c) 2008 Andrew Alden, licensed to About.com (fair use policy)
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