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Rocks » Sandstone
Sandstone
What is Sandstone?
Sandstone is a clastic sedimentary rock made up mainly of sand-size (1/16 to 2 millimeter diameter) weathering debris. Environments where large amounts of sand can accumulate include beaches, deserts, flood plains and deltas.
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Sandstone: The specimen shown is about two inches (five centimeters) across.
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The rock photos above were taken by Ann Bryant and are copyright by Geology.com. |
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"A Grain of Sand": A gallery of sand grains from around the world as photographed through a microscope by Dr. Gary Greenberg. |
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Igneous Rocks: Photos and facts about intrusive and extrusive igneous rocks. |
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