Citation

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Skwarko, S.K., Nicoll, R.S. & Campbell, K.S.W., 1976. The Late Triassic molluscs, conodonts, and brachiopods of the Kuta Formation, Papua New Guinea. BMR Journal of Australian Geology and Geophysics  1:3:219-230. Bureau of Mineral Resources, Geology and Geophysics, Canberra.

Abstract

The Kuta Formation is mainly a limestone deposit which crops out on the flanks of the Kubor Anticline in the Central Highlands of Papua New Guinea. It has been variously regarded as Cainozoic, Permian and Permo-Triassic in age, but is now positively dated as late Norian or Rhaetian (Late Triassic) on the basic of conodonts, molluscs and brachiopods. The Kuta Formation is thus the youngest known Triassic formation in Papua New Guinea. Interpretation of the local stratigraphy is simplified by this dating. It is now apparent that the marine Triassic sedimentation in Papua New Guinea commenced no later than the Anisian (Middle Triassic) and continued, probably uninterrupted, until Rhaetian time. The fossils identified and described include the conodont Misikella posthernsteini Kozur and Mock, 1974, the ammonite Arcestes (Arcestes) cf. sundaicus, Welter, 1914, and some bivalves. The brachiopods Clavigera, Zugmeyerella, Sinucosta, Robinsonella, ?Hagabirhynchia are equally important in dating the assemblage, but will be described in detail separately. All the more closely identified fossils have a Tethyan Provincial aspect except Clavigera which was previously known only from New Zealand and New Caledonia.
Google map showing geographic bounding box with values North bound -5.5 East bound 145.0 West bound 144.0 South bound -6.5
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1976

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Earth Sciences

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East bound
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144.0
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-6.5

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2015-03-23

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