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Mineral Resources > Online Spatial Data > Geology > by state > Colorado

One or more Ordovician fms

Fremont Limestone, Harding Sandstone, and Manitou Limestone
StateColorado
NameOne or more Ordovician fms
Geologic agePhanerozoic | Paleozoic | Ordovician
Original map labelOr
Primary rock typelimestone
Secondary rock typesandstone
Other rock types
Lithologic constituents
Major
Sedimentary > Carbonate > Limestone
Minor
Sedimentary > Clastic > Sandstone
Map references
Tweto, Ogden 1979, Geologic Map of Colorado: U.S. Geological Survey Special Geologic Map, scale 1:500,000.
Unit references
Tweto, Ogden 1979, Geologic Map of Colorado: U.S. Geological Survey Special Geologic Map, scale 1:500,000.
Geographic coverageEl Paso - Fremont - Saguache - Teller

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URL: http://mrdata.usgs.gov/geology/state/sgmc-unit.php?unit=COOr;0
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