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Parting, Fremont, and Harding Fms

State Colorado
Name Parting, Fremont, and Harding Fms
Geologic age Phanerozoic | Paleozoic | Ordovician Silurian(?) Devonian
Primary rock type quartzite
Secondary rock type sandstone
Other rock types limestone; shale
Lithologic constituents
Major
Metamorphic > Metasedimentary > Metaclastic > Quartzite
Sedimentary > Clastic > Sandstone
Minor
Sedimentary > Carbonate > Limestone
Sedimentary > Clastic > Mudstone > Shale
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.
Counties Saguache