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 conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).