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Coalmont Formation

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Tan to gray arkosic micaceous soft sandstone, claystone, and locally derived conglomerate.
State Wyoming
Name Coalmont Formation
Geologic age Paleocene-Eocene
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Claystone
Sedimentary > Clastic > Conglomerate
Sedimentary > Clastic > Sandstone
References

Love, J.D. and Christiansen, A.C., 1985, Geologic Map of Wyoming: U.S. Geological Survey, scale 1:500,000.

https://pubs.er.usgs.gov/publication/70046739
NGMDB product
Counties Carbon