Usage:
Amargosa Alloformation of Lake Tecopa Allogroup (CA)
Geologic age:
Quaternary (late Pleistocene)
Type section, locality, area and/or origin of name:
Type area: area of ancient Lake Tecopa, eastern Mojave Desert, in vicinity of Amargosa River and towns of Shoshone and Tecopa [Lat. 36 deg. 00 min. N., Long. 116 deg. 15 min. W.], Inyo Co., east-central CA. Origin of name not stated by author (Morrison, 1991).
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 ([ ]).