Usage:
Tanana Formation (AK*)
Geologic age:
Quaternary
Pleistocene, early*
or
Pleistocene, middle*
Type section, locality, area and/or origin of name:
Exposures in borrow pit on south valley wall of Pedro Creek at junction with Twin Creek, in SE/4 sec. 11, T. 2 N., R. 1 E., Livengood D-3 quadrangle (scale 1:63,360), AK. Named from widespread inactive solifluction layer in Yukon-Tanana Upland of central AK (Pewe, 1975).
AAPG geologic province:
Alaska East-Central region*
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 ([ ]).