- Usage in publication:
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- Prospect Mountain granite
- Modifications:
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- Named
- Dominant lithology:
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- Granite
- AAPG geologic province:
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- Northern Rocky Mountain region
Summary:
Named as an informal descriptive term for a granite in secs 1 and 12, T13N, R81W and in secs 6 and 7, T13N, R80W, Carbon Co, WY in the Northern Rocky Mountain region. Neither source of geographic name nor type locality designated. Intent to name not stated. Is in contact with gabbro on north and with gneiss on south; contacts are gradational. Is highly deformed with cataclastic structure and strongly foliated with development of augen where crystals of potash feldspar are deformed. Table shows mineralogy of the granite. Geologic map. Is one of several small to medium-sized granite and quartz monzonite bodies of Precambrian age in the area of the Mullen Creek mafic complex (first used).
Source: GNU records (USGS DDS-6; Denver 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 ([ ]).