- Usage in publication:
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- Barney Creek Amphibolite
- Modifications:
-
- Original reference
- Dominant lithology:
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- Basalt
- AAPG geologic province:
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- Montana folded belt
Summary:
Pg. 10-14. Barney Creek Amphibolite of North Snowy Group. Consists of black, dark-gray metamorphosed basaltic flows and tuffs. Thickness ranges from 60 to 240 m at type section. Occurs adjacent to George Lake Marble. Age is Precambrian W.
Type section: exposures on crest of ridge west of South Fork of Pine Creek at head of Barney Creek, Beartooth Mountains, Park Co., south-central MT.
Source: US geologic names lexicon (USGS Bull. 1520, p. 17).
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 ([ ]).