Usage:
Quichapa Group (NV*,UT*)
Subunits:
GROUP STATUS (alphabetical): Condor Canyon Formation (NV*,UT*), Harmony Hills Tuff (NV*,UT*), Leach Canyon Formation (NV*,UT*), Little Creek breccia (informal) (UT*).
Geologic age:
Tertiary (Oligocene and Miocene)*
Type section, locality, area and/or origin of name:
Type locality: Right Quichapa Canyon, in NE/4 of T. 37 S., R. 13 W., Harmony Hills [Harmony Mountains], southeast of Iron Mountain, Iron Springs district, Iron Co., southwestern UT (Blank and Mackin, 1967).
Named from exposures in Quichapa Canyon of the Harmony Hills [Harmony Mountains], Iron and Washington Cos., southwestern UT. Name credited to J.H. Mackin (Cook, 1957).
AAPG geologic province:
Great Basin province*
South Western Overthrust*
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 ([ ]).