Named for Cockalorum Wash. Type area designated as exposures south of Nyeka Hill and west of Conglomerate Ridge, [T15N R52E], Fish Creek Range. Type section designated as exposures from west base of Conglomerate Ridge westward through Reef Hill in northern part of its outcrop, southern Fish Creek Range, Nye Co, NV. Composed of limestone, shale, siltstone, and sandstone. Is 366 m thick. Overlies correlative of Nevada Formation(?). Underlies Devils Gate Formation. Age is Middle Devonian based on biostratigraphic dating of corals.
Source: GNU records (USGS DDS-6; Menlo GNULEX).
Cockalorum Wash Formation (Merriam, 1973) is abandoned; its rocks are reassigned to Devils Gate Limestone, Pilot Shale, Woodruff Formation, Antelope Range Formation, and Webb Formation.
Source: GNU records (USGS DDS-6; Menlo GNULEX).
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