- Usage in publication:
-
- Halloran complex
- Modifications:
-
- Original reference
- Dominant lithology:
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- Metasediments
- Diorite
- Granite
- AAPG geologic province:
-
- Mojave basin
Summary:
Pg. 499-500. Halloran complex. Includes, in order of age, metasediments, variably altered and granitized diorite, and variably altered granite. Age is Precambrian.
Named from exposures in the area of about 40 sq mi of small mountains extending from vicinity of Halloran Spring westward to north of Silver Lake village, San Bernardino Co., southern CA. Best and most typical exposures occur in vicinity of Silver Lake; complex might better be named for that locality, but name is preoccupied.
Source: US geologic names lexicon (USGS Bull. 1200, p. 1650).
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 ([ ]).