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National Geologic Map Database

Geologic Unit: Youghall

Usage:

Youghall Formation (CO,UT)


Geologic age:

Pennsylvanian


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

Exposures on west side of Hell's Canyon, in sec. 31, T. 6 N., R. 102 W., and along east side of head of Hell's Canyon in W/2 sec. 7, T. 5 N., R. 102 W., Moffat Co., CO (Thompson, 1945).


AAPG geologic province:

Green River 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 ([ ]).