Mowry Shale

Silvery-gray hard siliceous shale containing abundant fish scales and bentonite beds.
State Wyoming
Name Mowry Shale
Geologic age Lower Cretaceous
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Shale
Incidental
Sedimentary > Clastic > Mudstone > Claystone > Bentonite
References
NGMDB product
Counties Niobrara - Weston