Usage:
Sherwin Till (CA*,NV)
Sherwin Drift (CA*)
Geologic age:
Pleistocene*
Type section, locality, area and/or origin of name:
Type locality (of till): Sherwin Hill, Mount Goddard 15-min quadrangle [1912 ed.], Sierra Nevada, eastern central CA [approx. Lat. 37 deg. 30 min. 35 sec. N., Long. 118 deg. 36 min. 40 sec. W., Casa Diablo Mountain 7.5-min quadrangle, Inyo National Forest, Mono Co.]. Greatest expanse of till is in lobe east of Whiskey Canyon; along both sides of Rock Creek gorge, thickness of about 450 feet of glacial detritus is exposed (Putnam, 1949).
AAPG geologic province:
Sierra Nevada 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 ([ ]).