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NGMDB

Geologic Unit: Mount Simon

Usage:

Mount Simon Formation of Elk Mound Group (WI)
Mount Simon Sandstone (IL*,KY*,MI,MO,OH*,WV*)
Mount Simon Sandstone of Dresbach Group (IL*,IN*,IA*,MI*,MN*,OH*,WI*)
Mount Simon Sandstone of Elk Mound Group (WI)
Mount Simon Sandstone of Potsdam Supergroup (IN)


Geologic age:

Late Cambrian*


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

Near Eau Claire, WI, where it forms an escarpment [called Mount Simon] (Walcott, 1914; Thwaites, 1923).


AAPG geologic province:

Wisconsin arch*
Illinois basin*
Iowa shelf*
Cincinnati arch*
Sioux uplift*
Michigan basin*
Appalachian basin*


NGMDB

For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 ([ ]).

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Page Last Modified: Tue Jun 3 16:20:43 2014