U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

Geologic Unit: Pequop

Usage:

Pequop Formation (NV,UT)


Subunits:

(alphabetical): Moorman Ranch Member (NV,UT), Summit Springs Evaporite Member (NV).


Geologic age:

Early Permian (Cisuralian; Leonardian)


Type section, locality, area and/or origin of name:

Type section: in sec. 3, T. 33 N., R. 65 E., Elko Co., NV. Section measured 1.5 mi north of Jasper railroad tunnel in central part of Pequop Mountains (Steele, 1960).


AAPG geologic province:

Great Basin province


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates published by U.S. Geological Survey authors.

"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).

Slash (/) indicates name does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).