Usage:
Bancroft Limestone (ID*,UT*)
Geologic age:
Middle Cambrian*
Type section, locality, area and/or origin of name:
Type section: measured in center sec. 7, T. 10 S., R. 39 E., Bancroft quadrangle, Bannock Co., ID (Oriel and others, 1971).
Type area: faulted belt on east side of Portneuf Range, in SW/4 of Bancroft 15-min quadrangle, Bannock and Caribou Cos., ID (Oriel and others, 1971).
Named from town of Bancroft, Bancroft 15-min quadrangle, Bannock Co., ID (Oriel and others, 1971).
AAPG geologic province:
Great Basin province*
Snake River basin*
Wasatch uplift*
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 ([ ]).