Salt Lake Formation and other Basin & Range valley-filling alluvial, lacustrine, and volcanic materials

Salt Lake Formation and other Basin & Range valley-filling alluvial, lacustrine, and volcanic materials. Valley fill is more than 8,000 feet thick in places and includes salt masses under the Sevier Desert.
State Utah
Name Salt Lake Formation and other Basin & Range valley-filling alluvial, lacustrine, and volcanic materials
Geologic age Middle Miocene to Late Pliocene
Lithologic constituents
Major
Unconsolidated > Coarse-detrital (Alluvial)
Sedimentary > Clastic > Mixed-clastic (Bed)
Minor
Sedimentary > Chemical > Evaporite > Salt (Bed)
Sedimentary > Carbonate (Bed)
Igneous > Volcanic > Felsic-volcanic (Pyroclastic)
Incidental
Igneous > Volcanic > Mafic-volcanic (Flow)
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.

NGMDB product
Counties Beaver - Box Elder - Juab - Millard - Tooele