Paleomagnetism of the Istria peninsula, Yugoslavia

Emö Márton, Dusan Veljovic

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Abstract

280 core samples were collected from Upper Jurassic, Cretaceous and Eocene sediments outcropping in the Istria peninsula (Yugoslavia). Due to the very low intensities of the initial natural remanent magnetizations, more than 50% of the collection, consisting mainly of rock samples of Jurassic and Eocene sediments, was not suitable for paleomagnetic studies. The Cretaceous samples yield a mean paleomagnetic pole (lat. 53°, long. 275° and α95 = 4.8°), which is significantly different from the African and European paleomagnetic poles of the same age. The position of the Istria peninsula on the autochthonous Adriatic platform allows the result to be interpreted as applicable to all the autochthonous Periadriatic region. This new paleomagnetic result indicates that the autochthonous Adriatic platform rotated counterclockwise over an angle of about 30° with respect to Africa in post-Mesozoic times.

Original languageEnglish
Pages (from-to)73-87
Number of pages15
JournalTectonophysics
Volume91
Issue number1-2
DOIs
Publication statusPublished - Jan 1 1983

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ASJC Scopus subject areas

  • Geophysics
  • Earth-Surface Processes

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