THE DOMANIK FORMATION OF THE TIMAN-PECHORA BASIN: RADIOLARIANS, BIOSTRATIGRAPHY, AND SEDIMENTATION CONDITIONS
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dc.contributor.author | Afanasieva M.S. | |
dc.contributor.author | Mikhailova M.V. | |
dc.date.accessioned | 2021-02-25T05:13:22Z | |
dc.date.available | 2021-02-25T05:13:22Z | |
dc.date.issued | 2001 | |
dc.identifier | https://elibrary.ru/item.asp?id=13385847 | |
dc.identifier.citation | Stratigraphy and Geological Correlation, 2001, 9, 5, 419-440 | |
dc.identifier.issn | 0869-5938 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/25713 | |
dc.description.abstract | A diverse radiolarian assemblage of 127 species was studied for the first time from the middle Frasnian Domanik Formation of the Timan-Pechora province. The availability of sponge spicules, acritarchs, and rhizomorphs is proved. After a detailed analysis of macerated radiolarians, three subassemblages (lower Rdm-1, middle Rdm-2, upper Rdin-3) of substantially different quantitative and qualitative composition were distinguished in the Moskovistella allbororum-Ceratoikiscum ukhtensis radiolarian assemblage. Echinate species of Aculearia prevail over spherical Sphaerellaria forms, and this suggests a relatively cold conditions in bottom water mass. Cyclically changing taphocoenoses testify to significant ecological rearrangements during the Domanik time. A new interpretation of depositional conditions for Domanik Formation sediments in the southern Timan-Pechora basin of Russia is presented. | |
dc.title | THE DOMANIK FORMATION OF THE TIMAN-PECHORA BASIN: RADIOLARIANS, BIOSTRATIGRAPHY, AND SEDIMENTATION CONDITIONS | |
dc.type | Статья |
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