State | Colorado |
---|---|
Name | Morrison Fm and Junction Creek Sandstone |
Geologic age | Jurassic |
Lithologic constituents | Major
Sedimentary > Clastic > Sandstone
Sedimentary > Clastic > Mudstone > Claystone
Sedimentary > Clastic > Mudstone
|
References | Tweto, Ogden, 1979, Geologic Map of Colorado: U.S. Geological Survey Special Geologic Map, scale 1:500,000. |
NGMDB product | |
Counties | Gunnison - Saguache |