Bridger Formation

Greenish-gray, olive-drab, and white tuffaceous sandstone and claystone; lenticular marlstone and conglomerate.
State Wyoming
Name Bridger Formation
Geologic age Eocene
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Claystone
Sedimentary > Clastic > Sandstone
Minor
Sedimentary > Carbonate > Marlstone
Sedimentary > Clastic > Conglomerate
Incidental
Igneous > Volcanic (Pyroclastic-tuff)
References
NGMDB product
Counties Fremont - Lincoln - Sublette - Sweetwater - Uinta