Reference Detail of

Report on Referred Fossils
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Stratigraphic range: Devonian-Permian
Kinds of fossils: Invertebrates
Quadrangle or area: Misheguk (Northern Alaska, DeLong Mts.)
Shipment No.: AF-51-47
Referred by: Sable, E. G.
Report prepared by: Dutro, J. Thomas, Jr.
Date: 06/27/1955

This report covers 28 collections from the northern DeLong Mountains, ranging in age from Devonian through Permian. Three collections are of Devonian; two collections from the Utukok formation are of early Mississippian age; five others, apparently from the same formation, may also be early Mississippian; one collection, possibly from the Kogruk limestone, appears to be of Wachsmuth age (early Mississippian); three collections from the Kogruk limestone appear to be Alapahan age (middle Mississippian); three collections from the Tupik formation are also probably of Alapahan age; one collection from the Siksikpuk formation may be of Permian (?) age; eight collections from clastic Nuka-type rocks are similar to faunas from the type area and are considered to be of Permian age; two other collections may also be of Permian age.


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Brief statement of problem and remarks (from collector):
Information desired: Generic, species and age determinations and comparison with previous collections; Sable & Mangus, 1951; Dutro, Bowsher, Brosge, 1949-1950. By February 1952.

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51ASa210 (3512-SD) , Misheguk Mtn , 68 degree 28'30"N.-160 deg. 52'30"W. N side of Mount Bastille 2 mi. S of Kugururok River. Devonian. Sta. No. Sa209 Unit 1 (Sample No. 51ASa210). Position: Lowest unit in measured section. Lithology: Interbedded shale, sandstone, conglomerate, limestone. (data from Sable's Request for Examination of Fossils sheets dated Nov. 29, 1951)
Ambocoelia? sp.
Dechenella (Dechenella?) sp.
Ostracod fragments, indet.
51ASa214 (3365-SD) , Misheguk Mtn , 68 degree 28'N.-160 deg. 53'W. Approx. W side of Mount Bastille. Devonian. Sta. No. Sa209 Unit 4 (Sample No. 51ASa214). Position: Lowest unit in measured section. Lithology: Calcarenite and sandstone. (data from Sable's Request for Examination of Fossils sheets dated Nov. 29, 1951)
crinoid columnal, indet.
cystiphyllid coral, undet.
Thamnopora sp.
Gypidula? sp.
Atrypa sp.
Euryzone sp.
Strobeus? sp.
orthoceratid cephalopod, indet.
cyrtochoanitic cephalopod, undet.
51ASa1061 (3366-SD) , Misheguk Mtn , 68 degree 38'50"N.-160 deg. 10'20"W. North bank of tributary of Nuka River. Devonian. Sta. No. Dre136(2-3) (Sample No. 51ASa1061f). Lithology: Sandy limestone and shale.
inadunate crinoid, undet.
Schizophoria sp.
Productella sp.
Tenticospirifer? sp.
Strophopleura? sp.
Cleiothyridina sp.
Pugnoides sp.
Nudirostra cf. N. seversoni McLaren
Nudirostra aff. N. seversoni McLaren
Aviculopecten? sp.
orthoceratid cephalopod, undet.
Manticoceras? sp.
?Dinicthys herzeri
51ASa237 (12755-PC) , Misheguk Mtn , 68 degree 39'50"N.-160 deg. 08'50"W. 1/2 mi. NW of Nuka River. Sta. No. Sa258 (Sample No. 51ASa237f). Formation: Lisburne 1st unit. Position: ? Lithology: platy calcarenite. (data from Sable's Request for Examination of Fossils sheets dated Nov. 29, 1951)
Fenestella sp.
Polypora sp.
Ptilopora? sp.
bryozoan, genera undet.
51ASa1035 (15451-PC) , Misheguk Mtn , 68 degree 37'N.-160 deg. 11'W. Approx. Headwaters of Nuka River. Sta. No. Dre 95(6) (Sample No. 51ASa1035f). Formation: Lisburne. Position: 1st unit? Lithology: Light gray ferruginous calcarenite interbedded with quartzite. (data from Sable's Request for Examination of Fossils sheets dated Nov. 29, 1951)
crinoidal debris, indet.
Schuchertella? sp.
Spirifer sp.
Composita aff. C. humilis Girty
Punctospirifer? aff. P.? solidirostris (White)
Donaldina sp.
Orthonema? sp.
Straparollus (Euomphalus) sp.
phillipsid trilobite, gen. indet.
51ASa1018 (12763-PC) , Misheguk Mtn , Approx. 1000' of Dre 28(5). Sta. No. Dre 28(10) (Sample No. 51ASa1018f). Formation: Lisburne. Position: 3rd unit. Lithology: Medium gray thin platy "musical" limestone. (data from Sable's Request for Examination of Fossils sheets dated Nov. 29, 1951) [Note by R.B. Blodgett: lat/long entered below is that given for 51ASa1017 (Sta. No. DRe 28(5)]
bryozoan fragments, undet.
Echinoconchus? sp.
Spirifer sp.
Brachythyris? sp.
Punctospirifer? sp.
51ASa1063 (15452-PC) , Misheguk Mtn , 1-1/4 mi. upstream from Dre 136 - north bank. Sta. No. Dre 138(2) (Sample No. 51ASa1063f). Formation: Devonian ?. Position: ? Lithology: Sandstone and sandy limestone. (data from Sable's Request for Examination of Fossils sheets dated Nov. 29, 1951)
crinoidal debris, indet.
orthotetid brachiopod, gen. indet.
Spirifer aff. S. osagensis Swallow
Spirifer aff. S. rowleyi Weller
gastropod, gen. undet.
51ASa1001 (12758-PC) , Misheguk Mtn , 68 degree 35'30"N.-160 deg. 30'45"W. 1 mi. E. of Kidney fork, Driftwood Creek. Sta. No. Dre 7(Sample No. 51ASa1001f). Formation: Lisburne. Position: 2nd unit Alapah ? Lithology: Silty limestone and conglomeratic limestone (data from Sable's Request for Examination of Fossils sheets dated Nov. 29, 1951)
horn coral, undet.
51ASa1003 (12759-PC) , Misheguk Mtn , 68 degree 36'N.-160 deg. 31'W. 3/4 mi. E of Kidney Lake. Sta. No. Dre 9, Stop 4 (Sample No. 51ASa1003f) Formation: Lisburne. Position: 2nd unit Alapah ? Lithology: Medium gray silty limestone, massive (data from Sable's Request for Examination of Fossils sheets dated Nov. 29, 1951)
crinoidal debris, indet.
bryozoan fragments, undet.
51ASa1015 (12761-PC) , Misheguk Mtn , 68 degree 36'45"N.-160 deg. 34'20"W. 1 mi. E. of Nucleus fork. Sta. No. Dre 26 (Sample No. 51ASa1015f). Formation: Lisburne. Position: 1st unit? Lithology: Thin platy medium gray calcarenite. (data from Sable's Request for Examination of Fossils sheets dated Nov. 29, 1951)
horn coral, indet.
bryozoan fragments, indet.
51ASa69 (15445-PC) , Misheguk Mtn , 68 degree 36'20"N.-160 deg. 29'10"W. 2 1/2 mi. west of Cirque fork. Sta. No. Sa 78 (Sample No. 51ASa69f). Formation: Lisburne ? 3rd unit ? Position: ? Lithology: Interbedded black limestone and black chert. (data from Sable's Request for Examination of Fossils sheets dated Nov. 29, 1951)
horn corals, indet.
tabulate corals, indet.
Spirifer sp.
productid brachiopod, indet.
51ASa276 (12756-PC) , Misheguk Mtn , 68 degree 38'N.-160 deg. 10". Hill 500' W. of Nuka River. Sta. No. Sa 347(8) (Sample No. 51ASa276f). Formation: Lisburne 2nd unit. Position: ? Alapah ? Lithology: Medium dark gray granular limestone. (data from Sable's Request for Examination of Fossils sheets dated Nov. 29, 1951) [Note by R.B. Blodgett: the lat/long data is not consistent with description, should check original field sheets]
lithostrotionid coral (phaceloid type), undet.
51ASa1006 (12760-PC) , Misheguk Mtn , no description provided in Dutro's E&R report or in Request for Examination of Fossils sheets of E.G. Sable.
lithostrotionid coral (cerioid type), undet.
51AS1076 (12765-PC) , Misheguk Mtn , Approx. 68 degree 45'N.-160 deg. 37'W. 1 mi. 2 1/2 mi. E. of Nuka River. Sta. No. Dre 181(2) (Sample No. 51ASa1076f). Formation: Lisburne. Position: 2nd unit Alapah ? Lithology: Medium gray dense limestone. (data from Sable's Request for Examination of Fossils sheets dated Nov. 29, 1951) [Note by R.B. Blodgett: lat/long data does not match written description, one should check original field sheets]
lithostrotionid coral (cerioid type), undet.
51ASa1021 (12766-PC) , Misheguk Mtn , 68 degree 34'N.-160 deg. 31'10"W. West bank of Nucleus Fork. Sta. No. Dre 45(1) (Sample No. 51ASa1021f). Formation: Lisburne ?. Position: 3rd unit ? Lithology: Light to medium gray limestone, silty conglomerate. (data from Sable's Request for Examination of Fossils sheets dated Nov. 29, 1951) [Note by R.B. Blodgett: lat/long data does not match written description, one should check original field sheets]
horn corals, undet.
51ASa1022 (12764-PC) , Misheguk Mtn , 68 degree 34'N.-160 deg. 31'10"W. West bank of Nucleus Fork. Sta. No. Dre 45(2) (Sample No. 51ASa1022f). Formation: Lisburne. Position: 3rd unit - Alapah ? Lithology: Dark gray limestone and interbedded black chert. (data from Sable's Request for Examination of Fossils sheets dated Nov. 29, 1951) [Note by R.B. Blodgett: lat/long data does not match written description, one should check original field sheets]
Beyrichoceras n. sp.?