Graptolite Scales and Comparison of Ordovician Terrigenous Deep-Sea Sequences in Circumpolar Regions: Correlation and Paleogeographic Potential

Graptolite Scales and Comparison of Ordovician Terrigenous Deep-Sea Sequences in Circumpolar Regions: Correlation and Paleogeographic Potential

A zonal graptolite scale of the Ordovician on Bennett Island is constructed. The circumpolar correlation of Ordovician terrigenous sequences of the Arctic regions of Eurasia and North America is presented. Possible migration routes of pelagic organisms between the Ordovician basins are analyzed. The...

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Veröffentlicht in:Doklady earth sciences 2022-12, Vol.507 (2), p.1101-1106
1. Verfasser: Sennikov, N. V.
Format: Artikel
Sprache:eng
Schlagworte:
Arctic zone
Basins
Comparative analysis
Correlation
Deep sea
Deep water
Earth and Environmental Science
Earth Sciences
Geophysics
Ice environments
Indicators (Biology)
Ordovician
Pelagic fisheries
Stratigraphy
Terrigenous sediments
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Zusammenfassung:A zonal graptolite scale of the Ordovician on Bennett Island is constructed. The circumpolar correlation of Ordovician terrigenous sequences of the Arctic regions of Eurasia and North America is presented. Possible migration routes of pelagic organisms between the Ordovician basins are analyzed. The paleogeographic proximity of the basins of Alaska and the De Long Islands in the Ordovician is shown.
ISSN:1028-334X
1531-8354
DOI:10.1134/S1028334X22600992