Reference Detail of

Report on Referred Fossils
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Stratigraphic range: Probably all Devonian
Kinds of fossils: Corals
Quadrangle or area: So. Brooks Range, Alaska
Shipment No.: A-60-24
Referred by: Brosge, William P.
Report prepared by: Oliver, William A., Jr.
Date: 02/16/1961

See recent report A-60-23 (2/10/61) for preliminary remarks.


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Brief statement of problem and remarks (from collector):
Are the black shales of Be580 and Rr697 & 712 Mississippian or Devonian?

Is Be549A correlative with the Devonian graywacke or with the Devonian limestone-siltstone?

Does Be557 (like Be555D) correlate with Skajit, Dev. ls.-silt.? or Lisburne??

Are any of the thin limestones in the Devonian slate-sandstone correlative with the Skajit or the Dev. ls.-silt.?
User Note module to be added
60ARr 420 , Philip Smith Mts , Black limestone 100 to 200 feet thick in shale (750 to 1000 ft. below base of Kanayut). Possible Skajit?.
Cylindrophyllum sp.
Cladopora sp. or
Thamnopora sp.
60ABk 202 , Arctic , Brown weathering ls. lenses in slate and siltstone. Devonian slate-sandstone unit.
Alveolites sp.
60ABe 390 , Philip Smith Mts , Twenty foot limestone in shale. Eighty feet below base of Kanayut. Devonian slate-sandstone unit.
Phillipsastraea sp.
Cladopora sp.
Thamnopora sp.
60ARr 449 , Philip Smith Mts , Dark, fine-grained fetid, limestone beneath shale. Possible Skajit?
Thamnopora sp.
Alveolites sp.
60ABe 386C , Chandalar , Black Ls. in upper 100 ft. of Devonian limestone-siltstone unit.
Amphipora? sp.
60ARr 426 , Chandalar , Red weathering limestone infolded with conglomerate, Devonian limestone-siltstone.
Macgeea sp.
Alveolites sp.
Aulopora sp.
Cladopora sp.
60ARr 397 , Chandalar , Ls. dark gray to gray black, fine to coarse-grained.
Thamnophyllum? sp.
Alveolites sp.
Thamnopora sp.
Amphipora sp.
60ARr 672 , Christian , Probably from station Rr 673. Skajit ls.
Disphyllum sp.
phaceloid rugose corals undet.
stromatoporoids
60ARr 785 , Arctic , Limestone at contact with basal conglom. of Devonian slate - s.s.; Skajit ls.
Hexagonaria sp.
Thamnopora sp.
60ARr 787 , Arctic , Massive ls. rubble; Skajit ls.
Macgeea sp. or
Thamnophyllum sp.
Thamnopora sp.
Amphipora sp.
60ABe 389 , Chandalar , River cobble probably Skajit.
rugose corals undet.
Favosites? sp.
60ABe 411 , Chandalar , Local cobbles in mountain canyon in Skajit ls.
Cladopora? sp.
60ABe 557 , Arctic , Black ls. overlain by pink silty ls. and phyllite like 60ABe 555D of Sept. 27 shipment. Skajit ls.
Disphyllum sp.
Thamnopora sp.
60ABk 203 , Arctic , Massive gray to black ls.; Skajit ls.
Disphyllum? sp.
Thamnopora sp.
Amphipora sp.