Mancos Shale--Frontier Sandstone and Mowry Shale Members

Frontier Sandstone and Mowry Shale Members and intervening shale zone
State Colorado
Name Mancos Shale--Frontier Sandstone and Mowry Shale Members
Geologic age Cretaceous
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Shale
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 Garfield - Rio Blanco