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The Ordovician succession adjacent to Hinlopenstretet, Ny Friesland, Spitsbergen. (American Museum novitates, no. 3882)

Show simple item record Kröger, Björn. Finnegan, Seth. Franeck, Franziska. Hopkins, Melanie J. 2017-09-06T14:57:17Z 2017-09-06T14:57:17Z 2017-09-05
dc.description 28 pages : illustrations (some color), map ; 26 cm. en_US
dc.description.abstract The Ordovician sections along the western shore of the Hinlopen Strait, Ny Friesland, Spitsbergen were discovered in the late 1960s and since then prompted numerous paleontological publications; several of these publications are now considered classical in the literature of paleontology of Ordovician trilobites and of Ordovician paleogeography and stratigraphy. Our 2016 expedition aimed at a major recollection and reappraisal of these classical sites. Here we provide a first high-resolution lithological description of the Kirtonryggen and Valhallfonna formations (Tremadocian-Darriwilian), which together comprise a thickness of 843 m, a revised bio- and lithostratigraphy, and an interpretation of the depositional sequences. We find that the sedimentary succession is very similar to successions of eastern Laurentia; its Tremadocian and early Floian part is composed of predominantly peritidal dolostones and limestones characterized by ribbon carbonates, intraclastic conglomerates, microbial laminites, and stromatolites, and its late Floian to Darriwilian part is composed of fossil-rich, bioturbated, cherty mud-wackestone, skeletal grainstone and shale, with local siltstone and glauconitic horizons. The succession can be subdivided into five third-order depositional sequences, which are interpreted as representing the Sauk IIIB Supersequence known from elsewhere on the Laurentian platform. en_US
dc.language.iso en_US en_US
dc.publisher American Museum of Natural History. en_US
dc.relation.ispartofseries American Museum novitates;no.3882.
dc.subject Geology, Stratigraphic -- Ordovician. en_US
dc.subject Paleontology. en_US
dc.subject Paleobiogeography. en_US
dc.subject Paleogeography. en_US
dc.subject Stratigraphic correlation. en_US
dc.subject Geology. en_US
dc.subject Spitsbergen Island (Norway) en_US
dc.subject Norway. en_US
dc.title The Ordovician succession adjacent to Hinlopenstretet, Ny Friesland, Spitsbergen. (American Museum novitates, no. 3882) en_US
dc.title.alternative Ordovician succession, Hinlopenstretet. en_US

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  • American Museum Novitates
    Novitates (Latin for "new acquaintances"), published continuously and numbered consecutively since 1921, are short papers that contain descriptions of new forms and reports in zoology, paleontology, and geology. New numbers are published at irregular intervals.

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