Usage:
Grove Creek Limestone Member of Snowy Range Formation of Gallatin Group (MT*,WY*)
Grove Creek Formation (MT)
Geologic age:
Late Cambrian (Trempealeauan)*
Type section, locality, area and/or origin of name:
Type locality: on south wall of valley of North Fork of Grove Creek, Carbon Co., MT (Dorf and Lochman, 1940).
Reference section (for Snowy Range Formation): Three Rivers Peak, at head of Gallatin River in Gallatin Range, Yellowstone National Park.
AAPG geologic province:
Bighorn basin
Central Montana uplift
Montana folded belt*
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 ([ ]).