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National Geologic Map Database

Geologic Unit: Devils Glen

Usage:

Devils Glen Dolomite (MT*)


Geologic age:

Late Cambrian*


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

Named from Devils Glen, a local feature in S/2 sec. 1, T. 17 N., R. 8 W., which is formed of the dolomite (Deiss, 1933).
Type locality: northern spur of Monitor Mountain, south of North Fork of Dearborn River, in SW/4 sec. 6, NW/4 sec. 7, T. 17 N., R. 7 W., Lewis and Clark Range, [Lewis and Clark Co., northwestern MT] (Deiss, 1939).


AAPG geologic province:

Montana folded belt*
Sweetgrass arch*


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 ([ ]).