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National Geologic Map Database

Geologic Unit: Howell

Usage:

Howell Limestone (UT*)
Howell Formation (UT)


Subunits:

Millard Member (UT*).


Geologic age:

Middle Cambrian*


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

Type locality: slopes of Howell Peak, on west side of House Range, about 5 mi west of Antelope Springs [in T. 17 S., R. 14 W., Marjum Pass 7.5-min quadrangle, Millard Co.], western UT (Walcott, 1908).
Type locality (emended): about 5 mi south of Walcott's type locality in spurs between tributary valleys on north side of Marjum Canyon, House Range, [Notch Peak 7.5-min quadrangle, Millard Co., western UT] (Deiss, 1938).


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 ([ ]).