Usage:
Leigh Formation (WY)
Leigh Member of Bighorn Dolomite (MT?,WY*)
Geologic age:
Late Ordovician*
Type section, locality, area and/or origin of name:
Not designated (Blackwelder, 1918). "Type or...reference section" in Badger-North Leigh Canyon divide, west side Teton Range, Teton Co., WY (Reeves, 1964).
AAPG geologic province:
Yellowstone province*
Green River basin*
Wind River basin*
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 ([ ]).