Pierre Shale and Niobrara Formation

Pierre Shale and Niobrara Formation
State New Mexico
Name Pierre Shale and Niobrara Formation
Geologic age Campanian to Coniacian
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Shale (Bed)no lith description on map - description from GEOLEX
References
NGMDB product
Counties Colfax - Mora - Taos - Union