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National Geologic Map Database

Geologic Unit: Crystal Spring

Usage:

Crystal Spring Formation of Pahrump Group (CA*)


Geologic age:

Late Proterozoic*


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

Crops out in belt that extends for 5 mi around north slope of Kingston Range and in two areas on eastern slope of range, Ivanpah quadrangle, southern CA. Named from Crystal Spring on north slope of Kingston Range (Hewett, 1940; 1956).


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 ([ ]).