Usage:
Conant Creek Tuff (ID*,WY*)
Conant Creek Tuff of Heise Group (ID*-recognized locally in Heise volcanic field)
Geologic age:
late Tertiary (late Miocene to early Pliocene)*
Type section, locality, area and/or origin of name:
Type section: exposure on north side of South Boone Creek where steep-sided tributary enters main creek, in NE/2 SW/4 sec. 5, T. 47 N., R. 117 W., Grassy Lake Reservoir 15-min quadrangle, Teton Co., WY. Named from exposures near Conant Creek (Christiansen and Love, 1978).
Reference section: south face of hill 8373 in SE/4 SW/4 sec. 16, T. 47 N., R. 117 W. (Christiansen and Love, 1978).
AAPG geologic province:
Idaho Mountains province*
Snake 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 ([ ]).