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Geologic Unit: McCoy Creek

McCoy Creek Group (NV,UT)

Precambrian, late

Geologic Province:
Great Basin region

Areal Extent:

Type Locality:
Type section: along McCoy Creek on east slope of Schell Creek Mountains, White Pine Co., NV (Misch and Hazzard, 1962).

(alphabetical): Osceola Argillite (NV), Shingle Creek Quartzite (NV,UT), Stella Lake Quartzite (NV), Strawberry Creek Formation (NV), Willard Creek Quartzite (NV).

Unit Name History:
Named, divided into pre-Willard Creek Quartzite, Willard Creek Quartzite, Strawberry Creek Formation, Shingle Creek Conglomeratic Quartzite, Osceola Argillite, and Stella Lake Quartzite in southern Snake Range, NV, and into informal units in central Schell Creek Mountains, NV, and southeastern Deep Creek Range, UT (Misch and Hazzard, 1962).

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
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Last modified: 15-Jan-2013