Usage:
No current usage.
(†Union Mountain Formation (NV) replaced with Beacon Peak Dolomite, Bartine Member (upper part) of McColley Canyon Formation, Sadler Ranch Formation, and Oxyoke Canyon Sandstone. See Beacon Peak, Bartine, Sadler Ranch, and Oxyoke.)
Geologic age:
Devonian, Early
Devonian, Middle
Type section, locality, area and/or origin of name:
Type section: Union Mountain, [Lat. 40 deg. 11 min. 26 sec. N., Long. 116 deg. 00 min. 42 sec. W.], in northeast part of Mineral Hill 15-min quadrangle [Elko Co., NV] (Carlisle and others, 1957).
AAPG geologic province:
Great Basin province
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 ([ ]).