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Improvement of the Neogene Zonal Diatom Scale of Primorye (Russia).

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Title: Improvement of the Neogene Zonal Diatom Scale of Primorye (Russia).
Authors: Pushkar, V. S.1 (AUTHOR) pushkar@fegi.ru, Avramenko, A. S.2 (AUTHOR) avramenko@biosoil.ru, Cherepanova, M. V.2 (AUTHOR) cherepanova@biosoil.ru, Likhacheva, O. Yu.1 (AUTHOR)
Source: Russian Journal of Pacific Geology. Oct2024, Vol. 18 Issue 5, p467-482. 16p.
Subject Terms: *Scanning electron microscopy, *Neogene Period, *Pliocene Epoch, *Cenozoic Era, *Diatoms
Abstract: To study diatoms from some Neogene stratotype sections of Southern Primorye—the Sineutesovskaya and Novokachalinskaya formations and the Shufansky Horizon, light and scanning electron microscopy were used. The data allowed corrections to the existing Zonal Diatom Scale of the Neogene of Primorye. Studies have shown the absence of some zone index species in the deposits: Alveolophora bifaria, A. jouseana, and A. areolata. As a result, the subdivisions of the scale were renamed: Alveolophora hachiyaensis–Aulacoseira elliptica Zone, Alveolophora khankaica Zone, Alveolophora khursevichiae Zone. The position of the Shufansky horizon zones has changed: the Aulacoseira praeislandica Zone now corresponds to the Early Pliocene, and the Alveolophora tscheremissinovae Zone—to the Late Pliocene. According to the International Stratigraphic Chart of the Cenozoic, the age of the upper boundary of the Alveolophora tscheremissinovae Zone is 2.58 Ma. [ABSTRACT FROM AUTHOR]
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  Label: Title
  Group: Ti
  Data: Improvement of the Neogene Zonal Diatom Scale of Primorye (Russia).
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  Data: <searchLink fieldCode="AR" term="%22Pushkar%2C+V%2E+S%2E%22">Pushkar, V. S.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> pushkar@fegi.ru</i><br /><searchLink fieldCode="AR" term="%22Avramenko%2C+A%2E+S%2E%22">Avramenko, A. S.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> avramenko@biosoil.ru</i><br /><searchLink fieldCode="AR" term="%22Cherepanova%2C+M%2E+V%2E%22">Cherepanova, M. V.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> cherepanova@biosoil.ru</i><br /><searchLink fieldCode="AR" term="%22Likhacheva%2C+O%2E+Yu%2E%22">Likhacheva, O. Yu.</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Russian+Journal+of+Pacific+Geology%22">Russian Journal of Pacific Geology</searchLink>. Oct2024, Vol. 18 Issue 5, p467-482. 16p.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22Scanning+electron+microscopy%22">Scanning electron microscopy</searchLink><br />*<searchLink fieldCode="DE" term="%22Neogene+Period%22">Neogene Period</searchLink><br />*<searchLink fieldCode="DE" term="%22Pliocene+Epoch%22">Pliocene Epoch</searchLink><br />*<searchLink fieldCode="DE" term="%22Cenozoic+Era%22">Cenozoic Era</searchLink><br />*<searchLink fieldCode="DE" term="%22Diatoms%22">Diatoms</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: To study diatoms from some Neogene stratotype sections of Southern Primorye—the Sineutesovskaya and Novokachalinskaya formations and the Shufansky Horizon, light and scanning electron microscopy were used. The data allowed corrections to the existing Zonal Diatom Scale of the Neogene of Primorye. Studies have shown the absence of some zone index species in the deposits: Alveolophora bifaria, A. jouseana, and A. areolata. As a result, the subdivisions of the scale were renamed: Alveolophora hachiyaensis–Aulacoseira elliptica Zone, Alveolophora khankaica Zone, Alveolophora khursevichiae Zone. The position of the Shufansky horizon zones has changed: the Aulacoseira praeislandica Zone now corresponds to the Early Pliocene, and the Alveolophora tscheremissinovae Zone—to the Late Pliocene. According to the International Stratigraphic Chart of the Cenozoic, the age of the upper boundary of the Alveolophora tscheremissinovae Zone is 2.58 Ma. [ABSTRACT FROM AUTHOR]
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1134/S181971402470026X
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      – Code: eng
        Text: English
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        PageCount: 16
        StartPage: 467
    Subjects:
      – SubjectFull: Scanning electron microscopy
        Type: general
      – SubjectFull: Neogene Period
        Type: general
      – SubjectFull: Pliocene Epoch
        Type: general
      – SubjectFull: Cenozoic Era
        Type: general
      – SubjectFull: Diatoms
        Type: general
    Titles:
      – TitleFull: Improvement of the Neogene Zonal Diatom Scale of Primorye (Russia).
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            NameFull: Pushkar, V. S.
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            NameFull: Cherepanova, M. V.
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          Dates:
            – D: 01
              M: 10
              Text: Oct2024
              Type: published
              Y: 2024
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              Value: 18
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              Value: 5
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            – TitleFull: Russian Journal of Pacific Geology
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