Usage:
Teepee Butte Member of Grande Ronde Basalt of Columbia River Basalt Group (ID*,OR*,WA*)
Teepee Butte Member of Grande Ronde Basalt of /Yakima basalt subgroup [informal] of Columbia River Basalt Group (ID*,OR*,WA*)
[Yakima basalt subgroup considered informal and should not be capitalized. "Subgroup" not recognized as a formal stratigraphic rank term (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). Columbia River Basalt Group adopted by the ID, OR, and WA Geol. Surveys, and the USGS (rules suspended).]
Geologic age:
late Tertiary (early Miocene)
Type section, locality, area and/or origin of name:
Type locality (composite): (1) at Limekiln Rapids, in SW/4 NW/4 sec. 3, T. 6 N., R. 46 E., Black Butte 7.5-min quadrangle, WA; (2) at Joseph Creek, in SW/4 NW/4 sec. 3, T. 6 N., R. 46 E., Black Butte 7.5-min quadrangle, WA; and (3) at Pruitt Draw, in NE/4 NE/4 sec. 12, T. 30 N., R. 4 W., Wapshilla Creek 7.5-min quadrangle, ID. Origin of name not stated by authors, but probably named from Teepee Butte, [Lat. 45 deg. 53 min. 07 sec. N., Long. 117 deg. 03 min. 00 sec. W.], Teepee Butte 7.5-min quadrangle, OR (U.S. Board on Geographic Names personal commun., 1993) (Reidel and Tolan, 1992).
AAPG geologic province:
Eastern Columbia basin*
Idaho Mountains 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 ([ ]).