- Usage in publication:
-
- Mina Peak Member
- Modifications:
-
- Named
- Biostratigraphic dating
- AAPG geologic province:
-
- Great Basin province
Summary:
Unit is named the Mina Peak Member of the Sunrise Formation (revised) of the Volcano Peak Group (new). Name is applied to the upper carbonaceous part of the uppermost unit of Muller and Ferguson (1939, GSA Bull., v. 50, no. 10, p. 1573-1624). Exposed in the Gabbs Valley Range in west-central Nevada. Consists of medium- to thick-bedded bioclastic limestone. Conformably overlies the argillaceous Joker Peak Member (new) of the Sunrise Formation, and the contact is drawn at the lowest limestone beds; gradationally underlies the Dunlap Formation. Thickness is 75 m. Age is Early Jurassic (Pliensbachian), based on fossils.
Type locality: exposures on Mina Peak, Gabbs Valley Range, Mineral Co., NV
Source: US geologic names lexicon (USGS Bull. 1565, p. 202-203); 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 ([ ]).