Usage:
Bloom Member of Snaky Canyon Formation (ID*)
Geologic age:
Late Mississippian to early Late Pennsylvanian (late Chesterian to early Missourian)*
Type section, locality, area and/or origin of name:
Type section (=type section of Bluebird Mountain Formation): about 3.5 mi (5.8 km) south of Bluebird Mountain on west flank of Gallagher Peak and on east side of saddle between Copper Mountain and Gallagher Peak, in secs. 29 and 30 (unsurveyed), T. 10 N., R. 31 E., [in vicinity of Lat. 44 deg. 10 min. 17 sec. N., Lat. 112 deg. 48 min. 19 sec. W.], Copper Mountain 7.5-min quadrangle, [Targhee National Forest], Clark Co., ID. Named from Bloom triangulation station, about 1.7 mi (2.7 km) south of Gallagher Peak, in sec. 32 (unsurveyed), T. 10 N., R. 31 E., [in vicinity of Lat. 44 deg. 08 min. 41 sec. N., Long. 112 deg. 47 min. 33 sec. W.] (Skipp and others, 1979; Lat./Long. coords. from USGS GNIS database and ACME Mapper 2.0, accessed on Darwin's 200th birthday).
AAPG geologic province:
Idaho Mountains province*
Snake 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 ([ ]).