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- Usage in publication:
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- Mulligan Canyon Rhyolite*
- Modifications:
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- Named
- Dominant lithology:
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- Rhyolite
- AAPG geologic province:
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- Great Basin province
Summary:
Unit is named for Mulligan Canyon, sec. 33-35, T15N R51E, Cockalorum 15' quad, Nye Co., NV. Type area designated as exposures on Bills Peak, sec. 10, T14N R51E, Nye Co. Consists of massive flows of light-gray porphyritic rhyolite. Maximum thickness is 400 m. Unconformably overlies the Sheep Spring Rhyolite (new); unconformably underlies the Moonshine Creek Latite (new). Age is Oligocene based on stratigraphic relations.
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 ([ ]).