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  • Usage in publication:
    • Mikkelsen Tongue*
  • Modifications:
    • Named
    • Biostratigraphic dating
  • Dominant lithology:
    • Shale
    • Sandstone
  • AAPG geologic province:
    • Alaska Northern region
Publication:

Molenaar, C.M., Bird, K.J., and Kirk, A.R., 1987, Cretaceous and Tertiary stratigraphy of northeastern Alaska, IN Tailleur, I.L., and Weimer, Paul, eds., Alaskan North Slope geology; Volume 1: Society of Economic Paleontologists and Mineralogists, Pacific Section, North Slope Seminar II, AAPG/SEPM/SEG Pacific Section annual meeting, Anchorage, AK, May 22-24, 1985, book 50, p. 513-528., Prepared by SEPM Pacific Section and Alaska Geol. Soc


Summary:

Named as tongue in Canning Formation (new) for Mikkelsen Bay, 13 mi (21 km) west-northwest of West Staines State-2 well. Type section designated as section between 5830 and 7710 ft in West Staines State-2 well, sec.25 T9N R22E [Flaxman Island quad] northern AK. Consists of shale and minor sandstone. Present in wells throughout Point Thomson area and can be traced in subsurface to southwest and west 20 to 30 mi from type well. Consists of shale and minor sandstone. Overlies Staines Tongue (new) of Sagavanirktok Formation; locally unconformably underlies Sagavanirktok Formation (undivided); elsewhere grades into Sagavanirktok. Palynomorph data indicate age is Eocene.

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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