Red Sandstone

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Red sandstone is sandstone appearing red due to the inclusion of iron oxides (hematite). Red Sandstone may also refer to:

  • Old Red Sandstone, a British lithostratigraphic unit (a sequence of rock strata) to which stratigraphers accord supergroup status
  • New Red Sandstone, a chiefly British geological term for the beds of red sandstone and associated rocks laid down throughout the Permian (280 million years ago) to the end of the Triassic (about 200 million years ago)

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