Lower Cretaceous, undivided

In northern Lea and Roosevelt Counties includes equivalents of Tucumcari Shale; in Cornudas Mountains includes Campogrande and Cox Formations and Washita Group; at Cerro de Cristo Rey includes several formations of the Fredricksburg and Washita Groups, and the Boquillas Formation (Cenomanian); in the southwest includes Mojado, U-Bar (Aptian), and Hell-to-Finish Formations, whch are equivalent to Bisbee Group of Arizona.
State New Mexico
Name Lower Cretaceous, undivided
Geologic age Lower Cretaceous
Lithologic constituents
Major
Sedimentary > Carbonate > Limestone (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 Dona Ana - Grant - Hidalgo - Lea - Luna - Otero