Reference Detail of

Report on Referred Fossils
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Stratigraphic range: Cretaceous
Kinds of fossils: Mollusks
Quadrangle or area: , Northern Alaska
Shipment No.: A-53-14
Referred by: Detterman, Robert L.
Report prepared by: Imlay, Ralph W.
Date: 10/15/1953

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53ADt20 , Killik River , Killik River, Lat. 68 deg. 34'30" N., Long. 153 deg. 48' W. (description from Imlay E&R report of Oct. 15, 1953; Shipment A-53-14)
Aucella? sp.
49ALa2f , Howard Pass , Colville Valley. Two miles east of Fay Creek on divide between the Nigu and Etivluk Rivers. (description from Imlay E&R report of Oct. 15, 1953; Shipment A-53-14)
Aucella sp.
49ADt39 (Mesozoic loc. 24656) , Howard Pass , R.L. Detterman, 1949. East side. Nigu River, 6 miles upstream from junction with Etivluk River. Lat 68 deg. 24' N., long 156 deg. 25' W. Okpikruak formation. Probably Berriasian. (description from Imlay, 1961, USGS Prof. Pap. 335, p. 25)[No description given in Imlay E&R report of Oct. 15, 1953; Shipment A-53-14 - cited therein as 49ADt39f]
Aucella subokensis Pavlow
49AMg46 (Mesozoic loc. 24657) , Howard Pass , M.D. Mangus, 1949. Kuna River. Lat 68 deg. 38' N., long 157 deg. 55' W. Okpikruak formation. Valanginian. (description from Imlay, 1961, USGS Prof. Pap. 335, p. 23)[No description given in Imlay E&R report of Oct. 15, 1953; Shipment A-53-14]
Aucella cf. A. crassicollis Keyserling
53ADt48 (Mesozoic loc. 24619) , Killik River , R.L. Detterman, 1953. Killik Bluffs, 4 miles downstream from junction of Killik River with Okpikruak River. Lat 68 deg. 52' N., long 153 deg. 25' W. Tuktu formation, 700 feet below top. Albian. (description from Imlay, 1961, USGS Prof. Pap. 335, p. 25)[Imlay E&R report of Oct. 15, 1953 (Shipment A-53-14) provides following description: Killik River, Lat. 68 deg. 52' N., Long. 153 deg. 25' W. 800 feet below top of Tuktu.]
Inoceramus anglicus Woods
Arctica sp.
53ADt89 (Mesozoic loc. 24620) , Umiat , R.L. Detterman, 1953. Fossil Creek. Lat 68 deg. 14' N., long 152 deg. 28' W. Thin-bedded sandstone and claystone. Tuktu formation, 760 feet below top. Albian. (description from Imlay, 1961, USGS Prof. Pap. 335, p. 27))[Imlay E&R report of Oct. 15, 1953 (Shipment A-53-14) provides following description: Fossil Creek, Lat. 68 deg. 14/ N., Long. 152 deg. 28' W.]
Laevidentalium sp.
53ADt90 (Mesozoic loc. 24621) , Umiat , R.L. Detterman, 1953. Fossil Creek. Lat 68 deg. 13'30" N., long 152 deg. 28' W. Thin-bedded sandstone interbedded with silty shale and siltstone. Tuktu formation, 75 feet below top. Albian. (description from Imlay, 1961, USGS Prof. Pap. 335, p. 27))[Imlay E&R report of Oct. 15, 1953 (Shipment A-53-14) provides following description: Fossil Creek, Lat. 68 deg. 13'30" N., Long. 152 deg. 28' W.]
Entolium sp.
Placunopsis sp.
53ADt91 (Mesozoic loc. 24622) , Umiat , R.L. Detterman, 1953. Fossil Creek. Lat 68 deg. 13' N., long 152 deg. 28'30" W. Tuktu formation, 320 feet below top. Albian. (description from Imlay, 1961, USGS Prof. Pap. 335, p. 27))[Imlay E&R report of Oct. 15, 1953 (Shipment A-53-14) provides following description: Fossil Creek, Lat. 68 deg. 13' N., Long. 152 deg. 28'30" W.]
Pecten? cf. P. alcesianum McLearn
Laevidentalium sp.
53ADt93 (Mesozoic loc. 24623) , Chandler Lake , R.L. Detterman, 1953. Kanayut Creek. Lat 68 deg. 44' N., long 151 deg. 03' W. Same location as Mes. loc. 20484. Tuktu formation, upper 150 feet. Albian. (description from Imlay, 1961, USGS Prof. Pap. 335, p. 28))[Imlay E&R report of Oct. 15, 1953 (Shipment A-53-14) provides following description: Kanayut (Willow) Creek, Lat. 68 deg. 44' N., 151 deg. 03' W.]
Beudanticeras? sp.
Laevidentalium sp.
Pecten? cf. P. alcesianus McLearn
Arctica sp.
Thracia sp.
Volsella sp.
53ADt103 (Mesozoic loc. 24624) , Chandler Lake , R.L. Detterman, 1953. West side Nanushuk River at east end of Roof Top Ridge. Lat 68 deg. 51'30" N., long 150 deg. 30'30" W. Sandstone, siltstone, and silty shale. Tuktu formation, 710 feet below top. Albian. (description from Imlay, 1961, USGS Prof. Pap. 335, p. 28))[Imlay E&R report of Oct. 15, 1953 (Shipment A-53-14) provides following description: Nanushuk River. Lat. 68 deg. 51'30" N., Long. 150 deg. 30'30" W.]
Laevidentalium sp.
Arctica? sp.
53ADt104 (Mesozoic loc. 24625) , Unknown , R.L. Detterman, 1953. Nanushuk River. Lat 68 deg. 51'30" N., long 150 deg. 30'45" W. Siltstone. Tuktu formation, 570 feet below top. Albian. (description from Imlay, 1961, USGS Prof. Pap. 335, p. 28)))[Imlay E&R report of Oct. 15, 1953 (Shipment A-53-14) provides following description: Nanushuk River, Lat. 68 deg. 51'30" N., Long. 150 deg. 30'45" W.]
Laevidentalium sp.
Astarte? sp.
Nucula? sp.
Solecurtus? sp.
Psilomya cf. P. elongatissima McLearn
53ADt106 (Mesozoic loc. 24626) , Unknown , R.L. Detterman, 1953. Nanushuk River. Lat 68 deg. 51'30" N., long 150 deg. 31' W. Medium-bedded sandstone. Tuktu formation, 100 feet below top. Albian. (description from Imlay, 1961, USGS Prof. Pap. 335, p. 28)))[Imlay E&R report of Oct. 15, 1953 (Shipment A-53-14) provides following description: Nanushuk River, Lat. 68 deg. 53'30" N., Long. 150 deg. 31" W.]
Arctica sp.
Pecten? sp.
Pleuromya sp.
Volsella sp.
53ADt108 (Mesozoic loc. 24627) , Unknown , R.L. Detterman, 1953. Nanushuk River. Lat 68 deg. 51'30" N., long 150 deg. 31'30" W. Massive sandstone. Tuktu formation, 420 feet below top. Albian. (description from Imlay, 1961, USGS Prof. Pap. 335, p. 28)))[Imlay E&R report of Oct. 15, 1953 (Shipment A-53-14) provides following description: Nanushuk River, Lat. 68 deg. 51'30" N., Long. 150 deg. 51'30" W. - note by R.B. Blodgett, the Long. was mistakenly give as 51'30" W., the transmittal sheet of Detterman indicates that it was 150 deg. 31'30" W.]
Arctica sp.
Thracia sp.