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Florida Geological Survey - Geology Topics
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 Identification: Sandstone is a sedimentary rock commonly composed of quartz sand grains cemented together by silica, calcite, iron oxide, or other mineral substance. Depending upon the amount and character of the cementing agent, sandstones may be almost any color. In Florida, the colors generally range from almost pure white through shades of yellow, orange, red and brown.
 Occurrence: The occurrence of sandstone is limited in Florida largely to the red sandy clay formations of the central peninsula and northwestern part of the State. it generally occurs as thin discontinuous layers or small nodules though it has been observed in beds up to 10 feet thick.


Last updated: July 30, 2012

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