Bluff Ss, Summerville Fm, Curtis Fm, Entrada Ss, and Carmel Formation

Bluff Ss, Summerville Fm, Curtis Fm, Entrada Ss, and Carmel Formation. Includes Arches National Park.
State Utah
Name Bluff Ss, Summerville Fm, Curtis Fm, Entrada Ss, and Carmel Formation
Geologic age Middle to Late Jurassic
Lithologic constituents
Major
Sedimentary > Clastic > Sandstone (Bed)
Minor
Sedimentary > Carbonate > Limestone (Bed)
Sedimentary > Clastic > Mixed-clastic > Siltstone-mudstone (Bed)
Incidental
Sedimentary > Chemical > Evaporite > Gypsum (Bed)
Comments restricted marine to marginal marine: sabkha, marine, tidal flat. Doelling (2000) includes Summerville and above in Morrison Formation
Stratigraphic units San Rafael Group, Wanakah Formation, and Page Sandstone
References

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

Hintze, L.F., 1988, Geologic History of Utah: Brigham Young University Geology Studies Special Publication 7, 202 p.

Doelling, H.H., 2000, Geology of Arches National Park, Grand County, Utah, in Sprinkel, D.A., Chidsey, Jr., T.C., and Anderson, P.B., Geology of Utah's Parks and Monuments: Utah Geological Association Publication 28, p. 11-36.

Morris, T.H., Manning, V.W., and Ritter, S.M., 2000, Geology of Capitol Reef National Park, Utah: in Sprinkel, D.A., Chidsey, Jr., T.C., and Anderson, P.B., Geology of Utah's Parks and Monuments: Utah Geological Association Publication 28, p. 85-105.

NGMDB product
Counties Emery - Garfield - Grand - Kane - San Juan - Sevier - Wayne