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National Geologic Map Database

Geologic Unit: Tensleep

Usage:

Tensleep Sandstone (WY*)


Subunits:

Medicine Lodge Creek and Hyatt Ranch "members"


Geologic age:

Pennsylvanian, Middle*
Desmoinesian*
Pennsylvanian, Late*
Missourian*
Virgilian*
Permian, Early*
Wolfcampian*


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

Not designated. Name derived from extensive exposures in walls of lower canyon of Tensleep Creek, Big Horn Co., WY (Darton, 1904).


AAPG geologic province:

Wind River basin*
Green River basin*
Powder River basin*
Bighorn basin*
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 ([ ]).