Usage:
Cathedral Cliffs Formation of Washburn Group of Absaroka Volcanic Supergroup (MT*,WY*)
Geologic age:
early Tertiary (Eocene)*
Type section, locality, area and/or origin of name:
Type section: at west end of north face of Cathedral Cliffs, a prominent feature on south side of valley of Clarks Fork of Yellowstone River, [in secs. 15 and 22, T. 56 N., R. 106 W., Windy Mountain 7.5-min quadrangle (1991 ed.), Shoshone National Forest], Park Co., northwestern WY. Named from Cathedral Cliffs (Pierce, 1963).
AAPG geologic province:
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 conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).