- Usage in publication:
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- Wildcat Basin Rhyolite Member*
- Modifications:
-
- Named
- Geochronologic dating
- AAPG geologic province:
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- Blue Mountains province
- Columbia basin
Summary:
Named as additional member of Strawberry Volcanics [Slide Creek Member was named by Thayer (1957)]. Type locality designated as tuffs and flows that extend southwestward from vent complex in head of Indian Creek, just north of Wildcat Basin, Grant Co, OR. Consists of white or pale-gray to pinkish rhyolitic tuffs and flows. Is about 300 m thick in valley of Middle Fork of Canyon Creek. Interfingers with andesitic flows from main Strawberry vents. Age is late Miocene on basis of isotopic age of +/-12 Ma (Thomas L. Robyn, oral commun., 1977).
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 ([ ]).