The Voznovo Formation: The reflection of the early Oligocene stage in the geological history of East Sikhote-Alin |
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| Authors: | B I Pavlyutkin I Yu Chekryzhov T I Petrenko |
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| Institution: | 1.Far East Geological Institute, Far East Branch,Russian Academy of Sciences,Vladivostok,Russia |
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| Abstract: | New data were obtained on the Voznovo Formation, one of the key Tertiary stratigraphic units in East Sikhote-Alin. The analysis
of macro- and microflora in this unit showed that the decision to assign it to the Miocene (Resolutions…, 1994) was invalid. The early Oligocene age of the formation is justified. It is shown that the sediments constituting the
formation were deposited in a barrier lake. The analysis of the Voznovo taphoflora reveals its mountainous ecotype, which
indicates the ancient age of the Sikhote-Alin mountainous system. The Voznovo Formation is correlated with other coeval stratigraphic
units of the region. |
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