Evanston Formation

Gray siltstone, sparse red sandstone, and lignite beds.
State Wyoming
Name Evanston Formation
Geologic age Upper Cretaceous-Paleocene
Lithologic constituents
Major
Sedimentary > Clastic > Siltstone
Sedimentary > Coal > Lignite
Sedimentary > Clastic > Sandstone
References
NGMDB product
Counties Lincoln - Uinta