One or more Ordovician fms

Fremont Limestone, Harding Sandstone, and Manitou Limestone
State Colorado
Name One or more Ordovician fms
Geologic age Ordovician
Lithologic constituents
Major
Sedimentary > Carbonate > Limestone
Minor
Sedimentary > Clastic > Sandstone
References

Tweto, Ogden, 1979, Geologic Map of Colorado: U.S. Geological Survey Special Geologic Map, scale 1:500,000.

NGMDB product
Counties El Paso - Fremont - Saguache - Teller