Changes in the Ostracod Assemblages of the Northeastern Black Sea Shelf during the Late Pleistocene and Holocene

作者: M. A. Zenina , A. L. Chepalyga , I. O. Murdmaa , G. Malgezini

DOI: 10.1134/S003103011909020X

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摘要: Distribution of 57 ostracod species is investigated in the Quaternary sediment samples from borehole RBH-16, drilled at north-eastern Black Sea shelf edge off town Anapa. Among them, 52 species Caspian type and 5 Mediterranean were found. Four distinct assemblage zones are identified: one typical for Chaudian basin (Early Neopleistocene) (I) interval 15.55–14.11 m; dominating Late Pleistocene to early Holocene (II), according composition closed Khvalynian basin, depth 13.4–3.84 m (from 13.6 8.7 cal. ka BP), mixed (III) 3.84–0.95 (younger than with progressively increasing dominance (IV) above 0.75 (after 7.4 BP).

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