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Late Ladinian to early Carnian radiolarians from the section of Pravyi Vodopadnyi creek, Omolon Massif, North-Eastern Russia
Author(s) -
N. Yu. Bragin,
А. С. Бяков,
Т. V. Filimonova
Publication year - 2019
Publication title -
stratigrafiâ. geologičeskaâ korrelâciâ
Language(s) - English
Resource type - Journals
ISSN - 0869-592X
DOI - 10.31857/s0869-592x2743-12
Subject(s) - ladinian , massif , paleontology , geology , dominance (genetics) , boreal , biostratigraphy , assemblage (archaeology) , biology , structural basin , biochemistry , gene
The late Ladinian to early Carnian radiolarian assemblage is found for the first time in the Pravyi Vodopadnyi Creek Section, Omolon Massif, North-Eastern Russia. The assemblage consists of early Carnian radiolarian species that were previously described from sections of Kotel’nyi Island (New Siberian Islands): Glomeropyle aculeatum, G. cuneum and Pseudoeucyrtis annosus, and of species known from the late Ladinian of Dzugadzak Section (Omolon Massif): Glomeropyle algidum and Pseudostylosphaera omolonica. The taxonomic composition (dominance of genus Glomeropyle) indicates high-latitude, boreal nature of assemblage. The taxonomic affinity of coeval radiolarian assemblages of late Ladinian and early Carnian of Omolon Massif and New Siberian Islands gives opportunity for favorable estimation of radiolarian correlation of boreal Triassic.

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