Morrison Formation and upper San Rafael Group

Morrison Formation and upper San Rafael Group
State New Mexico
Name Morrison Formation and upper San Rafael Group
Geologic age lowermost Cretaceous? - upper Jurassic
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Shale (Bed)no lith description on map - description from GEOLEX
Sedimentary > Clastic > Siltstone (Bed)no lith description on map - description from GEOLEX
Sedimentary > Clastic > Sandstone (Bed)no lith description on map - description from GEOLEX
Minor
Sedimentary > Carbonate > Limestone (Bed)no lith description on map - description from GEOLEX (from Todilto member)
References
NGMDB product
Counties Harding - San Miguel - Union