NDLI: Present achievments in a palynological study of the Quaternary period in the USSR

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Present achievments in a palynological study of the Quaternary period in the USSR

Content Provider	Birbal Sahni Institute of Paleobotany
Author	Neustadt, M.I.
Abstract	Enormous palynological data are accumulatedover the continental and marine deposits from thevarious regions of the USSR.Palynological data are usually applied togetherwith the geological ones. At a time diatoms andlarge plant remains are analysed. The absoluteage determination by C 14 are in common use.The general pattern of distribution and dynamicof vegetation and natural zones in the Pleistoceneand Holocene are traced in large scale regions andin all the country.Palynological data serve usually as a maincriteria for the differentiation and subdivision of interglacials and interstadials with reference to their relative chronological estimates.Palynological method is used also for the identification of the Pliocene-Pleistocene and Pleistocene-Holocene boundaries, for the sub-division of deposits into horizons and zones on the base of vegetational changes, for the determination of past climates, for the typization of interglacial, interstadial and holocene diagrams with reference to their geographicalposition, time correlation, of marine transgressions etc.There are found some sections representingpalynologically continuous vegetational development from the last interglacial to the present. The data from arid zone are very interesting to study pluvial and interpluvial periods.Palynological data show the extremely complicateddevelopment of the Pleistocene and Holocenevegetation, the significant mobility and transformation of natural zones.Only due to the use of palynological method itbecame possible to study climatic conditions,vegetational development and stratigraphical position of the Pleistocene and Holocene deposits.
Starting Page	213
Ending Page	227
File Format	PDF
Volume Number	15
Language	English
Publisher Date	1966-01-01
Access Restriction	Open
Content Type	Text
Educational Use	Research Reading
Resource Type	Article
Education Level	Under Graduate Post Graduate
Subject	Paleobotany; fossil microorganisms

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