U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

Geologic Unit: Simonson

Usage:

Simonson Dolomite (NV*,UT*)
Simonson Dolostone (NV*,UT*)
Simonson Dolomite is preferred usage of the NV Geol. Survey.


Geologic age:

Devonian, Early*
Devonian, Middle*


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

Type locality: exposures in Simonson Canyon, on west side of Deer Creek Range, in T. 10 S., R. 18 W., Gold Hill quadrangle, southwestern Tooele Co., western UT (Nolan, 1930).


AAPG geologic province:

Great Basin province*


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 ([ ]).