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- Usage in publication:
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- Cave Mountain Formation*
- Modifications:
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- Named
- Dominant lithology:
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- Metavolcanics
- Slate
- AAPG geologic province:
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- Okanogan province
Summary:
Type locality: exposures in dissected south and southeast slopes of Cave Mountain, secs. 17, 18, 19, and 20, T35N, R26E, Conconully quad, Okanogan Co, WA. Composed of dark-gray, white to yellowish-gray carbonate-rich metasedimentary and metavolcanic rocks. Informal members consist of metalimestone, metasiltstone, metadolomite and metalimestone, slate and metalimestone, and basaltic metavolcanic members. Is 1,300 m thick. Overlies, with probable unconformity, Anarchist Group; conformably underlies Triassic metamorphic complex of Conconully. Age is Triassic
Source: GNU records (USGS DDS-6; Menlo GNULEX).
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 ([ ]).