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Sandstone is formed of layers of eroded rock grains deposited in shallow seas. Under immense pressure, the grains eventually become sandstone. Sandstone comes in many colors. Red sandstone is colored by iron oxide.

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7y ago
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14y ago

Sandstone is usually the product of weathered quatz grains from granite that have been transported, deposited, compacted, and cemented.

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Q: From what rock is sandstone formed?
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