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National Geologic Map Database

Geologic Unit: Spotted Bear

Usage:

Spotted Bear Limestone Member of Jefferson Formation (MT)


Geologic age:

Late Devonian


Type section, locality, area and/or origin of name:

Notable exposures btw. elevations of 6,880 and 7,005 feet on northwest slope of Spotted Bear Mountain, in NE/4 sec. 26, T. 25 N., R. 15 W., [Spotted Bear Mountain 7.5-min quadrangle, Flathead Co.], northwestern MT (Deiss, 1933).


AAPG geologic province:

Montana folded belt


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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).