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

Geologic Unit: Blacksmith

Usage:

Blacksmith Limestone (ID*-notably Malad, Portneuf, and Bear River Ranges)
Blacksmith Dolomite (UT*-notably Wasatch Range)
Blacksmith Dolostone (UT*-notably Wasatch Range)
Blacksmith Formation (ID,UT)


Geologic age:

Middle Cambrian*


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

Type locality: Blacksmith Fork Canyon, 8 +/- mi above its mouth and 15 mi east of Hyrum, Cache Co., northeastern UT (Walcott, 1908).


AAPG geologic province:

Great Basin province*
Snake River basin*
Wasatch uplift*


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 ([ ]).