Morrison Formation

Upper Jurassic nonmarine rocks.
State New Mexico
Name Morrison Formation
Geologic age Upper Jurassic
Lithologic constituents
Major
Sedimentary > Clastic > Sandstone (Bed)no lith description on map - description from GEOLEX
Sedimentary > Clastic > Mudstone > Shale (Bed)no lith description on map - description from GEOLEX
References
NGMDB product
Counties Bernalillo - Cibola - Colfax - Guadalupe - Harding - McKinley - Mora - Quay - Rio Arriba - Sandoval - San Juan - San Miguel - Santa Fe - Union