Usage:
Greenwater Fan Alloformation of Lake Tecopa Allogroup (CA)
Geologic age:
Tertiary
Pliocene, late
Quaternary
Pleistocene, early
Type section, locality, area and/or origin of name:
Type area: area of ancient Lake Tecopa, eastern Mojave Desert, 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 ([ ]).