Reference Detail of

Report on Referred Fossils
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Stratigraphic range: Lower Cretaceous (Neocomian)
Kinds of fossils: Foraminifera
Quadrangle or area: Mt. Michelson quad.
Shipment No.: A-72-1
Referred by: Detterman, Robert L.
Report prepared by: Bergquist, Harlan
Date: 04/10/1973

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71ADt288 unit 4 (Mesozoic loc. M5813) , Mt Michelson , Ignek Creek, Mt. Michelson Quad. - north side of stream 3.6 miles N. 83 degrees E. of mouth of stream - dark silty pebble shale. Lat. 69 deg. 36' N., long. 146 deg. 08'30" W. (description from transmittal sheet of Detterman for Jones E&R report)[Detterman's transmittal sheet for microfossil analysis, dated Jan. 6, 1972, cites this locality as a "silty pebble shale section, Lower Cretaceous"]
Verneuilinoides subfilliformis Bartenstein and Brand
Conorboides hofkeri Bartenstein
Ammobaculites sp. aff. A. alaskensis Tappan
Haplophragmoides inflatigrandis Chamney?
Ammodiscus sp. aff. A. rotalarius Loeblich and Tappan
Reophax sp. cf. R. metensis Franke
Haplophragmoides goodenoughensis Chamney?
Pseudobolivina? sp.
Miliammina? sp. (flattened tests - somewhat similar to M. subelliptica Mellon and Wall from Albian of Alberta)
Lagena hauteriviana hauteriviana Bartenstein and Brand
Gavelinella? sp.
Pseudobolivina? sp. (distorted specimens)
Marginulina aff. M. pinguicula Tappan (resembles Upper Jurassic form)
Trochammina sp.
Saccammina sp.
Gyroidinoides? sp.
Bathysiphon scintillata Chamney? (resembles form described from Barremian)
Miliammina? sp.
Trochamminoides sp. (pyritic casts)
Marginulina sp.
Saracenaria? sp.
Pyrulinoides sp.
Dentalina sp. (broken - only early chambers present)
2 ostracode specimens