Sedimentogenesis cyclicity, stages, and phases in the development of the Late Silurian-Early Devonian biota in Northeast Asia |
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| Authors: | V V Baranov |
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| Institution: | (1) Institute of the Geology of Diamond and Noble Metals, Siberian Division, Russian Academy of Sciences, pr. Lenina 39, Yakutsk, 677891, Russia |
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| Abstract: | It is established that the Pridolian-Eifelian megacycle in Northeast Asia is represented by five macrocyclites. The analysis of fossils in Upper Silurian-Lower Devonian sections of the region reveals ten levels marked by large-scale reorganizations in the composition and structure of the biota in this basin. These levels are united in pairs by five maximums, which are characterized by the highest values of the taxonomic renewal coefficient, coincide with the boundaries of macrocyclites, and are traceable through the entire sedimentation basin. |
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| Keywords: | Late Silurian Early Devonian cyclicity sedimentogenesis stages and phases in biota development Northeast Asia |
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