USGS Visual Identifier
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Geologic Unit: Alpine

Alpine Formation of Lake Bonneville Group (ID*,UT*)
Alpine Member of Little Cottonwood Formation of Lake Bonneville Group (UT*)


Geologic Province:
Wasatch uplift*
Great Basin province*
Snake River basin*
Areal Extent:

Type Locality:
Not stated. Named from town of Alpine, northern Utah Valley (Bissell, unpub. thesis; Bullock, 1951) [From US geologic names lexicon, USGS Bull. 1200].
Reference section: in NW/4 NW/4 sec. 14, T. 3 S., R. 1 E., Salt Lake Co., UT (Morrison, 1965).

Unit Name History:
Called "Intermediate Lake stage" by G.K. Gilbert (1890, USGS Monograph 1) [not synopsized].
Formally named Alpine Formation of Lake Bonneville Group; name credited to H.J. Bissell (unpub. thesis) (Bullock, 1951).
Areal limits (Hunt and others, 1953).
Revised to basal member of Little Cottonwood Formation of Lake Bonneville Group; Reference; Overview (Morrison, 1965).
Areal limits (Oriel and Platt, 1980).
Not used (Machette, 1990).

Note: If you need more information, please contact Nancy Stamm (
Asterisks (*) indicate usage by the U.S. Geological Survey. Other usages by state geological surveys.

"No current usage" implies that a name has been abandoned or that it has fallen into disuse. Former usage and, if known, replacement name given in parentheses ().

Slashes (/) indicate unit name usage violates the 1983 North American Stratigraphic Code. This violation may be explained within brackets ([ ]).

U.S. Department of the Interior, U.S. Geological Survey, Reston, VA, USA
Database project personnel
Last modified: 15-Jan-2013