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Stratigraphy and Geological Correlation

, Volume 15, Issue 4, pp 373–384 | Cite as

Comparative paleofloristics of the Albian-Early Paleocene in the Anadyr-Koryak and North Alaska Subregions, part 2: The North Alaska Subregion

  • A. B. Herman
Article

Abstract

The Albian-Paleocene phytostratigraphic scheme suggested in this work for the North Alaska Subregion of the North Pacific differs from the previous ones and includes three phytostratigraphic horizons of subregional extent and four plant-bearing beds. The scheme is based on distinguished successive stages in flora evolution, being substantiated by comprehensive data on the described floral (plant macrofossils) assemblages. As is established, sedimentation environments gradually changed during the Albian-Paleogene from the west of the subregion to the east so that the marine sedimentation and accumulation of sediments in general terminated in eastern areas later than western ones.

Key words

Albian Late Cretaceous early Paleocene phytostratigraphy paleofloristics North Alaska Subregion 

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Copyright information

© Pleiades Publishing, Ltd. 2007

Authors and Affiliations

  • A. B. Herman
    • 1
  1. 1.Geological InstituteRussian Academy of SciencesRussia

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