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National Geologic Map Database

Geologic Unit: Shublik

Usage:

Shublik Formation (AK*)
[?] Shublik Formation of Prudhoe Bay Group (AK-recognized locally in subsurface of Prudhoe Bay oil field)


Geologic age:

Triassic, Middle*
Triassic, Late*


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

Reference section: 13.4 km N. 84 deg. W. of confluence of Fire Creek with Sadlerochit River, Lat. 69 deg. 31 min. 45 sec. N., Long. 145 deg. 12 min. 00 sec. W., northeastern AK (Detterman and others, 1975).


AAPG geologic province:

Alaska Northern 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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).