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National Geologic Map Database

Geologic Unit: Red Lion

Usage:

Red Lion Formation (MT*)


Geologic age:

Late Cambrian*


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

Named from Red Lion Mine at head of North Fork of Flint Creek, Philipsburg region, [Granite Co.], central western MT. The spur north of this mine is a hogback of the formation and affords good exposures of middle part (Emmons and Calkins, 1913).


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 ([ ]).