Pierre Shale, undivided

Pierre Shale, undivided
State Colorado
Name Pierre Shale, undivided
Geologic age Cretaceous
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Shale
References

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

NGMDB product
Counties Custer - Douglas - Eagle - El Paso - Fremont - Grand - Huerfano - Jackson - Jefferson - Larimer - Las Animas - Park - Pueblo - Summit