Silicoflagellates of the middle-early Late Eocene of the Kronotskii Bay (Eastern Kamchatka) |
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| Authors: | I B Tsoy |
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| Institution: | (1) P. P. Shirshov Institute of Oceanology, Moscow, Russia;(2) Federal Institute for Geosciences and Natural Resources, Hannover, Germany;(3) Friedrich-Schiller University Jena, Institute of Earth Sciences, Jena, Germany; |
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| Abstract: | The most complete characterization of Dictyochophyceae (silicoflagellate) assemblages from sediments of the Kronotskii Bay,
Eastern Kamchatka, which are typical of the Corbisema hexacantha (Middle Eocene) and Naviculopsis foliacea (terminal middle-initial
Late Eocene) zones in the tropical/subtropical zonation by Bukry (1981), is considered for the first time. In total, 43 silicoflagellate
species of 8 genera are identified. The prevalence of species of the genera Corbisema and Dictyocha in the assemblages suggest warm, close to subtropical conditions in a sea basin that existed in the Eastern Kamchatka region
during the Middle-Late Eocene. |
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