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National Geologic Map Database

Geologic Unit: Telsitna

Usage:

Telsitna Formation (AK*)


Geologic age:

Middle to Late Ordovician*


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

Type section: northeast-trending ridge along divide between head of Telsitna River and Paradise Fork, in secs. 17, 19, and 20, T. 18 S., R. 27 E., Medfra D-2 quadrangle (scale 1:63,360), west-central AK (Dutro and Patton, 1982).


AAPG geologic province:

Alaska West-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 ([ ]).