First paleomagnetic results on tertiary rocks from the Slavonian Mountains in the Southern Pannonian Basin, Croatia

Emo Márton, Davor Pavelić, Bruno Tomljenović, Jakob Pamić, Péter Márton

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Five sedimentary localities (Ottnangian through early Pannonian age) and one igneous site (K/Ar age 17 Ma) were studied paleomagnetically. Apart from one sedimentary locality, all yielded excellent or good paleomagnetic results, with declinations indicating counterclockwise (CCW) rotations. The declinations are between 300 and 340°and seem to vary in space and not in time. Since the youngest rock exhibiting CCW rotation is of early Pannonian age, it is reasonable to connect the rotations to the 'intra-Pannonian' or 'Rhodanian' tectonic phase, i.e. the most marked and last Tertiary tectonic event manifested in thrusts and strike-slip movements in the south-western part of the Tisza (Tisia) or South Pannonian megatectonic unit. The new paleomagnetic results are in harmony with CCW rotations postulated for the Slavonian Mts. However, the Tertiary paleomagnetic data from the Slavonian Mts. and the Mecsek Mts. point to extreme mobility within the south-west part of the Tisza megatectonic unit. This seems to be in conflict with current tectonic models which work with a rigid Tisza megatectonic unit in the Tertiary.

Original languageEnglish
Pages (from-to)273-279
Number of pages7
JournalGeologica Carpathica
Issue number3
Publication statusPublished - Jun 1 1999



  • Paleomagnetism
  • Rotations
  • Southern Pannonian Basin

ASJC Scopus subject areas

  • Geology

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