Report on Referred Fossils |
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| Stratigraphic range: |
Triassic |
| Kinds of fossils: |
Pelecypods, Brachiopods |
| Quadrangle or area: |
Pt. Hope, Northern Alaska |
| Shipment No.: |
A-53-27 |
| Referred by: |
Sable, E. G.
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| Report prepared by: |
Kummel, Bernhard
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| Date: |
02/11/1954 |
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***
Brief statement of problem and remarks (from collector):
District: Point Hope Quadrangle, Creek 6.8 miles east of Cape Lisburne.
Localities: Cut bank west side "Match Creek" 1.1 miles south of mouth of creek at west end of high Triassic ridge (Location shown on map accompanying this report, sent to Dr. Kummel).
Formation or supposed horizon: Triassic
Position in formation: Shown on columnar section accompanying this request, sent to Dr. Kummel.
Lithology of beds: Interbedded black limestone, shale, chert; olive-gray to dark gray sandstone, siltstone, clayshale.
Collector: E.G. Sable Date: Aug. 23, 1953
Notebook reference: Sable - Corwin-Cape Lisburne notebook; Navy Oil Unit, Alaskan Geology Branch; 1953; Station Sa L-4
Field nos. 53ASa256f, 258f, 258Af, 259f *(Note: Samples forward to Dr. B. Kummel, Harvard University, Cambridge, Mass.)
Generic and species identification, age determinations. (Note: This is the first known occurrence of this type fossiliferous sandstone - 53ASa259f - in Triassic rocks of northern Alaska)
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53ASa256f
(Mesozoic loc. M1863)
, Point Hope
, No description given in Kummel E&R report of Feb. 11, 1954 (Shipment A-53-27); however, transmittal sheet of Sable dated Dec. 2, 1953 states: "Cut bank west side of "Match Creek" 1.1 miles south of mouth of creek at west end of high Triassic ridge. Interbedded black limestone, shale, chert; olive-gray to dark gray sandstone, siltstone, clayshale." [N.J. Silberling's "The USGS "Triassic Collection" CD (February 1998, Revised July 1998), p. 187 provides following description: "Northern Alaska, Point Hope 1:250,000 quad. Creek 6.8 miles east of Cape Lisburne. Cut bank west side "Match Creek", 1.1 miles south of mouth of creek at west end of high Triassic ridge. Collector: E.G. Sable, August 23, 1953. Field No: 53ASa256f."]
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Entomonotis subcircularis
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53ASa258f
(Mesozoic loc. M1864)
, Point Hope
, No description given in Kummel E&R report of Feb. 11, 1954 (Shipment A-53-27); however, transmittal sheet of Sable dated Dec. 2, 1953 states: "Cut bank west side of "Match Creek" 1.1 miles south of mouth of creek at west end of high Triassic ridge. Interbedded black limestone, shale, chert; olive-gray to dark gray sandstone, siltstone, clayshale." [N.J. Silberling's "The USGS "Triassic Collection" CD (February 1998, Revised July 1998), p. 187 provides following description: "Northern Alaska, Point Hope 1:250,000 quad. Same locality as 53ASa256 (=M1863). Collector: E.G. Sable, August 23, 1953. Field No: 53ASa256f."]
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Entomonotis subcircularis
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53ASa258Af
(Mesozoic loc. M1865)
, Point Hope
, No description given in Kummel E&R report of Feb. 11, 1954 (Shipment A-53-27); however, transmittal sheet of Sable dated Dec. 2, 1953 states: "Cut bank west side of "Match Creek" 1.1 miles south of mouth of creek at west end of high Triassic ridge. Interbedded black limestone, shale, chert; olive-gray to dark gray sandstone, siltstone, clayshale." [N.J. Silberling's "The USGS "Triassic Collection" CD (February 1998, Revised July 1998), p. 187 provides following description: "Northern Alaska, Point Hope 1:250,000 quad. Same locality as 53ASa256 (=M1863). Collector: E.G. Sable, August 23, 1953. Field No: 53ASa256f."]
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Entomonotis subcircularis
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53ASa259f
(Mesozoic loc. M1866)
, Point Hope
, No description given in Kummel E&R report of Feb. 11, 1954 (Shipment A-53-27); however, transmittal sheet of Sable dated Dec. 2, 1953 states: "Cut bank west side of "Match Creek" 1.1 miles south of mouth of creek at west end of high Triassic ridge. Interbedded black limestone, shale, chert; olive-gray to dark gray sandstone, siltstone, clayshale." [N.J. Silberling's "The USGS "Triassic Collection" CD (February 1998, Revised July 1998), p. 187 provides following description: "Northern Alaska, Point Hope 1:250,000 quad. Same locality as 53ASa256 (=M1863). Collector: E.G. Sable, August 23, 1953. Field No: 53ASa256f."]
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Entomonotis subcircularis
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