Evanston Formation

Evanston Formation (lower part).
State Utah
Name Evanston Formation
Geologic age Late Cretaceous to Paleocene
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone (Bed)some red beds, about 20 m; limestone nodules in upper part
Sedimentary > Clastic > Sandstone (Bed)
Incidental
Sedimentary > Coal (Bed)
Sedimentary > Clastic > Conglomerate (Bed)
Comments non-marine, unconformable on Echo Canyon Conglomerate
References

Hintze, L.F., 1980, Geologic map of Utah: Utah Geological and Mineral Survey, scale 1:500,000.

DeCelles, P.G., 1994, Late Cretaceous-Paleocene synorogenic sedimentation and kinematic history of the Sevier thrust belt, northeast Utah and southwest Wyoming: Geological Society of America Bulletin, v. 106, p. 32-56.

Dover, J.H., 1995, Geologic map of the Logan 30' x 60' quadrangle, Cache and Rich Counties, Utah, and Lincoln and Uinta Counties, Wyoming: U.S. Geological Survey Miscellaneous Investigations Series I-2210, scale 1:100,000.

https://pubs.er.usgs.gov/publication/i2210

NGMDB product
Counties Morgan - Rich - Summit