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Geologic Unit: Wahoo
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Map showing publication footprint
  • Usage in publication:
    • Wahoo Limestone*
  • Modifications:
    • Named
    • Biostratigraphic dating
  • Dominant lithology:
    • Limestone
  • AAPG geologic province:
    • Alaska Northern region
Publication:

Brosge, W.P., Dutro, J.T., Jr., Mangus, M.D., and Reiser, H.N., 1962, Paleozoic sequence in eastern Brooks Range, Alaska: American Association of Petroleum Geologists Bulletin, v. 46, no. 12, p. 2174-2198. [Available online, with subscription, from AAPG archives: http://www.aapg.org/datasystems or http://search.datapages.com]


Summary:

Named as upper formation in Lisburne Group in eastern Brooks Range for exposures near Wahoo Lake. Composite type section designated along west fork of Echooka River beginning at contact with Sadlerochit Formation about 3.5 mi south of Wahoo Lake (69 deg 01'N, 146 deg 57'W), extending about 0.5 mi downstream along west bluff; lower 68 ft is in east bluff, Brooks Range, AK. Consists of light-colored either coarse-grained or sublithographic to lithographic limestone. Informally divided into lower and upper members. Thickness ranges from 0 to as much as 1367 ft at type. Overlies Alapah Limestone of Lisburne Group. Unconformably underlies Siksikpuk Formation at Galbraith Lake; east of Galbraith Lake unconformably underlies Sadlerochit Formation. Age is Pennsylvanian(?) and Permian based on paleontological evidence.

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


Map showing publication footprint
  • Usage in publication:
    • Wahoo Limestone*
  • Modifications:
    • Age modified
    • Biostratigraphic dating
  • AAPG geologic province:
    • Alaska Northern region
Publication:

Armstrong, A.K., and Mamet, B.L., 1977, Carboniferous microfacies, microfossils, and corals, Lisburne Group, Arctic Alaska: U.S. Geological Survey Professional Paper, 849, 144 p.


Summary:

Age of Wahoo Limestone is Late (Chesterian) Mississippian, Early (Morrowan) and Middle (Atokan) Pennsylvanian based on foraminifers and corals.

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


Map showing publication footprint
  • Usage in publication:
    • Wahoo Limestone*
  • Modifications:
    • Age modified
  • AAPG geologic province:
    • Alaska Northern region
Publication:

Dutro, J.T., Jr., 1987, Revised megafossil biostratigraphic zonation for the Carboniferous of northern 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. 359-364., Prepared by SEPM Pacific Section and Alaska Geol. Soc


Summary:

Age is considered Early and Middle Pennsylvanian only in eastern Brooks Range based on revised megafossil zonations. Assemblages (brachiopods, corals) range from Morrowan to Atokan in age.

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


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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 ( ).

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