Leach Canyon Formation of Quichapa Group (NV*,UT*)
(alphabetical) --all in NV*,UT*: Narrows Tuff Member, Table Butte Tuff Member.
early Tertiary (Oligocene)*
Type locality: south side of Leach Canyon, Iron Springs district, in southern part of T. 36 S., R. 13 W., Desert Mound quadrangle, Iron Co., southwestern UT. Named from Leach Canyon (Mackin, 1960; see also Averitt, 1967).
Great Basin province*
South Western Overthrust*
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.
"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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).