Mesozoic rocks

Mainly Lower Cretaceous, Jurassic, and Triassic Fms
State Colorado
Name Mesozoic rocks
Geologic age Lower Cretaceous-Triassic
Lithologic constituents
Major
Sedimentary > Clastic
References

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

NGMDB product
Counties Custer - El Paso - Fremont - Grand - Jackson - Jefferson - Larimer - Moffat - Park - Pitkin - Rio Blanco - Routt