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National Geologic Map Database

Geologic Unit: Coxcomb

Usage:

Coxcomb Granodiorite (CA)
Coxcomb Intrusive Suite (CA*)


Subunits:

Sheep Hole Mountains Granodiorite, Sheep Hole Pass Granite, Clarks Pass Granodiorite


Geologic age:

Late(?) Jurassic and Cretaceous*


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

Area alongside Highway 62, in sec. 9, T. 1 S., R. 15 E., Cadiz Valley SW 7.5-min quadrangle, San Bernardino Co., CA (Howard, 2002).


AAPG geologic province:

Mojave basin*
Salton basin


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 ([ ]).