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National Geologic Map Database

Geologic Unit: Pinyon

Usage:

Pinyon Conglomerate (WY*)


Geologic age:

early Late Cretaceous to early Tertiary (Maastrichtian to Paleocene)*


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

Named from Pinyon Peak in Yellowstone National Park, WY (Weed, 1896).
Principal reference section: measured on east, north, and northwest spurs of Pinyon Peak, in T. 47 N., R. 113 E., Yellowstone National Park, WY (Love, 1973).


AAPG geologic province:

Yellowstone 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 ([ ]).