70ABe173C
(6983-CO)
, Demarcation Point
, Apparent section at Abortive Mtn. 20 ft: orange weathering shaley ls. interlaminated with calcareous sandstone. Layers of trilobite-brachiopod conquina. Demarcation Pt. quad., from the divide between the Aichilik and Egaksrak Rivers, 69 deg. 20-3/4' N., 142 deg. 39' W. in extreme northeastern Alaska. Collectors: J. T. Dutro, Jr. and W. P. Brosge.
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70ABe176A
, Demarcation Point
, Apparent section at Abortive Mtn. 25 ft: orange weathering dark gray, fine grained limestone; thin irregular beds with pods of green shale. Upper beds are shaley limestone, grade up into black slate with green and orange calcareous pods, and contain Bivalves.
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