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Agatova A. R. Nepop R. K. Khazin L. B. Zhdanova A. N. Uspenskaya O. N. Ovchinnikov I. Yu. Moska P. 《Doklady Earth Sciences》2019,488(1):1134-1136
Doklady Earth Sciences - One of the debated problems in Pleistocene paleogeography of the Altai region is the extent and time of existence of the last glacier-dammed lakes. For the first time... 相似文献
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O. B. Kuzmina Z. N. Gnibidenko L. B. Khazin I. V. Khazina 《Stratigraphy and Geological Correlation》2017,25(3):342-361
New micropaleontological and paleomagnetic data were obtained by studying core samples of Cenozoic continental deposits from two boreholes drilled in the south of Tyumen oblast (Western Siberia). Palynological assemblages in deposits of the Tavda (upper part), Novomikhailovka, Turtas, Abrosimovka, Tobolsk, Smirnovka, and Suzgun formations were described. Deposits of these formations are enriched in spore-pollen assemblages, which can be correlated with assemblages of regional palynozones of the West Siberian Plain. Ostracods were described in Quaternary deposits. On the basis of biostratigraphic and paleomagnetic data, the Late Eocene (Priabonian)–Holocene age of deposits was substantiated. For the first time, beds with dinocysts of genus Pseudokomewuia were identified in deposits of the Turtas Formation (Upper Oligocene) of the Ishim lithofacial area. In total, nine regional magnetozones were distinguished in the paleomagnetic section. On the basis of palynological and paleomagnetic data, sections of two boreholes were correlated, and hiatuses in sedimentation were revealed. A large hiatus is at the Eocene-Oligocene boundary (Western Siberia): the Lower Oligocene Atlym Horizon and Miocene–Pliocene and Eopleistocene sediments are missing. The Oligocene interval of the section is represented in a reduced volume. 相似文献
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Doklady Earth Sciences - In the sections of Late Pleistocene deposits of the Kurai Depression of Gornyi Altai studied, an ostracod assemblage, including Leucocythere sp. 1, L. sp. 2, Leucocythere... 相似文献
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Khazin L. B. Kuzmina O. B. Khazina I. V. Lashchinskiy N. N. Kartoziia A. A. Kashirtsev V. A. 《Doklady Earth Sciences》2019,487(1):766-768
Doklady Earth Sciences - The first findings of well-preserved foliar flora (Platanus sp., Alnus sp., Fagus sp., Salix sp., and Magnolia sp.) have been recovered from the Late Cenozoic (Neogene)... 相似文献
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