Bitter Ridge Limestone Member of Horse Spring Formation

Usage of Geologic Unit Name:
Bitter Ridge Limestone Member* of Horse Spring Formation
Great Basin province*
Type Locality:
Type section: measured at Bitter Ridge (lat 36 deg 18' 30" N; long 114 deg 34' 00" W) [T19S R66E], on hogback of Bitter Ridge, Muddy Peak quad, Clark Co, NV (Bohannon, 1984).
Unit Name History:
Named as one of four members of Horse Spring Formation (Bohannon, 1984).
Bohannon, R.G., 1984, Nonmarine sedimentary rocks of Tertiary age in the Lake Mead region, southeastern Nevada and northwestern Arizona: U.S. Geological Survey Professional Paper, 1259, 72 p., (incl. geologic map, scale approx. 1:790,000)

Beard, L.S., 1996, Paleogeography of the Horse Spring Formation in relation to the Lake Mead fault system, Virgin Mountains, Nevada and Arizona,in Reconstructing the History of Basin and Range Extension using sedimentology and stratigraphy, Beratan, K.K., ed., Geological Society of America Special Paper 303, p. 27-60.
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* show accepted USGS usage.
Note that data on this page contains information that has been partly revised from bibliographic resources available via the
National Geologic Map Database.
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Last modified:8/10/2006