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National Geologic Map Database

Geologic Unit: Snowcrest Range

Usage:

Snowcrest Range Group (ID*,MT*)


Subunits:

(alphabetical) --all in MT*: Conover Ranch Formation, Kibbey Sandstone, Lombard Limestone.


Geologic age:

Mississippian, Late*
Meramecian*
Chesterian*
Pennsylvanian, Early*
Morrowan, early*


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

Type area: Snowcrest Range, Beaverhead and Madison Cos., MT (Wardlaw and Pecora, 1985).


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 ([ ]).