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Doklady Earth Sciences

, Volume 468, Issue 2, pp 580–583 | Cite as

The first paleomagnetic data on dolerites from Jeannette Island (New Siberian Islands, Arctic)

  • A. I. Zhdanova
  • D. V. Metelkin
  • V. A. Vernikovsky
  • N. Yu. Matushkin
Geology

Abstract

The first paleomagnetic data on dolerite dikes from the volcanogenic–sedimentary section of Jeannette Island (De Long Archipelago, New Siberian Islands) are discussed. The petromagnetic data and results of the baked contact and fold tests are used to substantiate the nature of the characteristic magnetization component, which in combination with the 40Ar/39Ar dates implies its likely Late Precambrian–Early Paleozoic age. The calculated paleomagnetic pole makes it possible to extend the trajectory of the apparent polar movement for the New Siberian Islands block and confirms the assumption that this structural element of the Arctic shelf evolved as a terrane. Two variants of paleotectonic interpretation of the obtained data and their consistency with the available data on the geology and tectonics of the New Siberian Islands are considered.

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Copyright information

© Pleiades Publishing, Ltd. 2016

Authors and Affiliations

  • A. I. Zhdanova
    • 1
    • 2
  • D. V. Metelkin
    • 1
    • 2
  • V. A. Vernikovsky
    • 1
    • 2
  • N. Yu. Matushkin
    • 1
    • 2
  1. 1.Trofimuk Institute of Petroleum Geology and Geophysics, Siberian BranchRussian Academy of SciencesNovosibirskRussia
  2. 2.Novosibirsk State UniversityNovosibirskRussia

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