Morrison Fm and Entrada Sandstone

Morrison Fm and Entrada Sandstone
State Colorado
Name Morrison Fm and Entrada Sandstone
Geologic age Jurassic
Lithologic constituents
Major
Sedimentary > Clastic > Sandstone
Sedimentary > Clastic > Mudstone
Sedimentary > Clastic > Mudstone > Claystone
References

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

NGMDB product
Counties Eagle - Garfield - Grand - Gunnison - Pitkin