Usage:
Wiggins Formation (WY)
Wiggins Formation of Thorofare Creek Group of Absaroka Volcanic Supergroup (WY*)
Subunits:
(alphabetical) --all in WY: Beaver Divide Conglomerate Member, [†?]Blue Point Member*, Crosby Breccia Member.
Geologic age:
early Tertiary (Eocene)*
Type section, locality, area and/or origin of name:
Named from Wiggins River, in southwest part of T. 41 and 42 N., R. 105 and 106 W., Fremont Co., WY (Love, 1939).
AAPG geologic province:
Bighorn basin*
Wind 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 ([ ]).