Reference Detail of

Report on Referred Fossils
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Stratigraphic range: Triassic
Kinds of fossils: Marine mollusks
Quadrangle or area: Arctic D-5, Northern
Shipment No.: A-82-9D
Referred by: Brosge, William P.
Report prepared by: Silberling, Norman J.
Date: 12/29/1982

This report treats all six collections originally listed on your request form dated 8/2/82, including the lost collection 82ABe601-B that was resubmitted with your request dated 8/9/82 as collection 82ATr12-B-1.

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82ABe601-A (Mesozoic loc. D12059) , Arctic , Black limestone and calcareous siltstone; stream west of Porpcupine Lake; Lat. 68o 46' 30" N., Long. 146o 36'30" W.
scrap of a flattened ammonite
82ABe601-B (Mesozoic loc. D12060) , Arctic , (=82ATr12-B-1). Calcareous concretions in rusty black shale; same locality as -601-A.
?Posidonia mimer Oeberg
82ABe604A (Mesozoic loc. D12061) , Arctic , 10-foot unit of partly silicified micritic limestone apparently several tens of feet stratigraphically below level of 72ABe312B of Shipment no. A-72-24. South spur of Mt. Annetti; Lat. 68o 45' 10" N., long. 146o 29' 15" W.
Eomonotis cf. E. typica
82ABe605-B-1 (Mesozoic loc. D12062) , Arctic , Uppermost one foot of Otuk Formation beneath silty shale and fine-grained wacke of (quote) Kongakut? (unquote). Cliff on stream, south side of Mt. Annette; Lat. 68o 45' 10" N., long. 146o 29' 50" W.
Monotis sp.
82ABe605-B-2 (Mesozoic loc. D12063) , Arctic , Same locality as -605-B-1, but form underlying 20-foot section of chert and silicified micritic limestone.
Monotis subcircularis of late Norian age
82ABe633 (Mesozoic loc. D12064) , Arctic , Isolated outcrop of black mudstone and black sooty limestone on hill north of Porcupine Lake; Lat. 68o 47' 45" N., Long. 146o 24' 45" W.
Halobia cf. H. superba ....
.... or H. ornatissima
Sirenitid ammonite
Tropitacid ammonite
Sympolycyclus kellyi (Smith)