No current usage.
(Rocks of †Cockalorum Wash Formation (NV) reallocated to Devils Gate Limestone, Pilot Shale, Woodruff Formation, Antelope Range Formation, and Webb Formation. See Devils Gate, Pilot, Woodruff, Antelope Range, and Webb.)
Middle Devonian
Type section: exposures from western base of Conglomerate Ridge westward through Reef Hill in northern part of its outcrop, southern Fish Creek Range, Nye Co., NV (Merriam, 1973).
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 conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).