Usage:
Descon Formation (AK*)
Geologic age:
Ordovician and early Silurian*
Type section, locality, area and/or origin of name:
Exposures in vicinity of Descon triangulation station, southern Heceta Island [Lat. 55 deg. 43 min. N., Long. 133 deg. 32 min. W.], southeastern AK (Eberlein and Churkin, 1970).
AAPG geologic province:
Alaska Southeastern 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 ([ ]).