Reference Detail of

Report on Referred Fossils
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Stratigraphic range: Permian
Kinds of fossils: Pelecypods
Quadrangle or area: Black River, Charley River and Coleen Quads.
Shipment No.: A-62-12
Referred by: Brabb, Earl E.
Report prepared by: Pojeta, John
Date: 03/25/1966

This report supplements that of R.E. Grant (9/30/65). Pelecypods are present in 11 collections from five localities. In general the quality of preservation is poor - almost all of them being incomplete external molds and casts.

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60ABa672G (21757-PC) , Charley River , Equivalent to 21757-PC of report A-62-12. Same locality as 21795-PC, 57 feet above base of sandstone member, collected by Churkin, 1963. [Slough section. Lat. 65°10.8' N., long. 141°41.9' W.; southwest bank of Yukon River along slough. About 59 ft above base of sandstone unit. H.J. Roepke, 1960. (description from Brabb & Grant, 1971, p. 18)
pelecypods, genus & species indet.
60ABa672J (Churkin recollection) (22325-PC) , Charley River , Equivalent to 21760-PC of report A-62-12. Same locality as 21795, 22 ft. above base of limestone member, 94 feet above base of type Tahkandit; coll. Churkin, 1963. (description from E&R report); [Slough section. Lat. 65°10.8' N., long. 141°41.9' W.; southwest bank of Yukon River along slough. About 23 ft above base of limestone unit; from massive pebbly limestone. Collector: H.J. Roepke, 1960. (description from Brabb & Grant, 1971, p. 19)]
pelecypods, genus & species indet.
60ABa672A (Churkin recollection 1963) (22328-PC) , Charley River , Same loc. as 21795-PC, 37 ft. above base of limestone member, 110 ft. above base of type Tahkandit; coll. by Churkin, 1963. (description from E&R report); Type Tahkandit Limestone, Charley River A-2 quad., NW 1/4 sec. 17, T. 4 N., R. 30 E., Lat. 65 deg. 10.8' N., Long. 141 deg. 41.9' W., coords. (8.7, 12.4), SE side of slough on W. side of Yukon River: 3.6 feet above the base of formation. (description from E & Report); [Slough section. Lat. 65°10.8' N., long. 141°41.9' W.; southwest bank of Yukon River along slough. About 5 ft stratigraphically above base of sandstone unit; from fine-grained sandstone. Collector: H.J. Roepke, 1960. (description from Brabb & Grant, 1971, p. 18)]
Astartella sp.
Edmondia sp.
61ABa1561 (21739-PC) , Black River , Black River A-3 quad., Lat. 66 deg. 11.3' N., Long. 142 deg. 11.3'W., coords. (8.7, 13.0). Unnamed shale and limestone sequence on northwest side of Grayling Fork of Black River.
small nuculoid pelecypod genus and species indeterminate
61ABa1553 (21770-PC) , Black River , Unnamed shale and limestone, possibly a few hundred feet above 21740-PC, Lat. 66 deg. 11.4'N., Long. 142 deg. 10.7'W., Black River A-3 quad.
small nuculoid pelecypod
60ABa561A (21742-PC) , Charley River , Tahkandit Limestone, Charley River B-1 quad., SE 1/4 sec. 31, T. 7 N., R. 31 E., Lat. 65 deg. 23.4'N, Long. 141 deg. 26'W., coords. (2.0, 9.6), bluff on W. side of Nation River. (description from E&R report); [Between Nation and Kandik Rivers. [Charley River B-1 and B-2 quad., 1956 ed. Fossils all from Takhandit Limestone, but the formation is so extensively faulted that the stratigraphic position of the collection is uncertain]. Lat 65°23.4' N., long 141°26.0' W.; from base of cliff on west valley slope of Nation River. Thinly bedded dark-gray limestone. Collectors: E.E. Brabb, R.N. Passero, and H.J. Roepke, 1960. (description from Brabb & Grant, 1971,p. 21)]
strongly opisthocline pectinoid pelecypods resembling Obliquipecten
60ABa614 (21745-PC) , Charley River , Tahkandit Limestone, Charley River B-2 quad., SE 1/4, sec. 30, T. 6 N., R. 30 E., Lat. 65 deg. 19' N., Long. 141 deg. 38' W., coords. (10.6, 4.6), E. side of unnamed tributary of Nation River. (description from E&R report); [Between Nation and Kandik Rivers. [Charley River B-1 and B-2 quad., 1956 ed. Fossils all from Takhandit Limestone, but the formation is so extensively faulted that the stratigraphic position of the collection is uncertain]. Lat 65°18.9' N., long 141°38.1' W.; east valley slope of unnamed tributary to Nation River; elev about 1,300 ft; northernmost of two limestone spurs. From thickly bedded olive-gray limestone. Collectors: E.E. Brabb, R.N. Passero, and H.J. Roepke, 1960. (description from Brabb & Grant, 1971,p. 21)]
Cyrtorostra cf. C. varicostata Branson, 1930
Streblochondria sp.
pectinoids - genus and species indeterminate
60ABa614A (21744-PC) , Charley River , same as 21745-PC, but from coarser-grained bed [which is: Tahkandit Limestone, Charley River B-2 quad., SE 1/4, sec. 30, T. 6 N., R. 30 E., Lat. 65 deg. 19' N., Long. 141 deg. 38' W., coords. (10.6, 4.6), E. side of unnamed tributary of Nation River] (description from E&R report); [Between Nation and Kandik Rivers. [Charley River B-1 and B-2 quad., 1956 ed. Fossils all from Takhandit Limestone, but the formation is so extensively faulted that the stratigraphic position of the collection is uncertain]. Lat 65°18.9' N., long 141°38.1' W. From more coarsely grained limestone than at 60ABa614. Collectors: E.E. Brabb, R.N. Passero, and H.J. Roepke, 1960. (description from Brabb & Grant, 1971,p. 21)]
?Girtypecten
pectinoids - genus and species indeterminate
60ABa614B (21743-PC) , Charley River , About 15' stratigraphically below 21744-PC (description from E&R report); [Between Nation and Kandik Rivers. [Charley River B-1 and B-2 quad., 1956 ed. Fossils all from Takhandit Limestone, but the formation is so extensively faulted that the stratigraphic position of the collection is uncertain]. Lat 65°18.9' N., long 141°38.1' W. About 15 ft stratigraphically below 60ABa614A and 30 ft stratigraphically above the oldest limestone beds exposed. From massive limestone. Collectors: E.E. Brabb, R.N. Passero, and H.J. Roepke, 1960. (description from Brabb & Grant, 1971,p. 21)]
Streblochondria sp.
?Plagiostoma
pectinoids - genus and species indeterminate
60ABa672D (21754-PC) , Charley River , 20 feet above base of formation. (description from E&R report); [Slough section. Lat. 65°10.8' N., long. 141°41.9' W.; southwest bank of Yukon River along slough. About 7 ft above 60ABa672C; beneath a 1-ft-thick chert-pebble conglomerate bed; from glauconitic sandstone. Collector: H.J. Roepke, 1960. (description from Brabb & Grant, 1971, p. 18)]
pectinoid pelecypods - genus & species indet.
60ABa672H (21758-PC) , Charley River , 63 feet above base of formation (description from E&R report); [Slough section. Lat. 65°10.8' N., long. 141°41.9' W.; southwest bank of Yukon River along slough. Abou6 65 ft above base of unit; from calcareous and glauconitic sandstone. Collector: H.J. Roepke. (description from Brabb & Grant, 1971, p. 18)]
?Plagiostoma