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National Geologic Map Database
Map showing publication footprint
  • Usage in publication:
    • Anaktoovuk series
  • Modifications:
    • Named
    • Biostratigraphic dating
  • Dominant lithology:
    • Sandstone
  • AAPG geologic province:
    • Alaska Northern region
Publication:

Schrader, F.C., 1902, Geologic section of the Rocky Mountains in northern Alaska: Geological Society of America Bulletin, v. 13, p. 233-252.


Summary:

Named from river on which it occurs. Forms southern or principal part of gently rolling Anaktoovuk plateau along north side of Endicott Range, northern AK. Consists of heavy-bedded impure, dark-gray, or dirty-greenish, fine- or medium-grained sandstone. Unconformably overlies Lisburne formation (new); unconformably underlies Nanushuk series (new). Age is Early Cretaceous based on fossil evidence determined by Dr. Stanton.

Source: GNU records (USGS DDS-6; Menlo GNULEX).


Map showing publication footprint
  • Usage in publication:
    • Anaktuvuk group*
  • Modifications:
    • Overview
  • AAPG geologic province:
    • Alaska Northern region
Publication:

Smith, P.S., 1913, The Noatak Kobuk region, Alaska: U.S. Geological Survey Bulletin, 536, 160 p., (incl. geologic map, scale 1:500,000)


Summary:

Anaktuvuk group of Schrader (1904) is described. Estimated thickness is 2000 ft. [Note change in spelling and rank.]

Source: GNU records (USGS DDS-6; Menlo GNULEX).


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 ([ ]).

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