U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

Geologic Unit: Pryor

Usage:

Pryor Conglomerate Member of Kootenai Formation (ID*,MT*)
Pryor Conglomerate Member of Cloverly Formation (WY*)
Pryor Member of Lakota Formation (MT)


Geologic age:

Early Cretaceous (Aptian)*


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

Not synopsized to date.


AAPG geologic province:

Powder River basin*
Central Montana uplift*
Montana folded belt*
Snake River basin*
Bighorn basin


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 ([ ]).