Usage:
Alcova Limestone of Chugwater Group (WY*)
Alcova Limestone Member of Chugwater Formation (WY*)
Geologic age:
Triassic*
Triassic, Early
Type section, locality, area and/or origin of name:
Named from exposures at Alcova, Natrona Co., central WY (Lee, 1927).
AAPG geologic province:
Green River basin*
Wind River basin*
Bighorn basin*
Powder River basin*
Yellowstone 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 ([ ]).