Asztenoszféra-áramlás mint a tercier kilöködés és extenzió hajtóereje?

István Kovács, György Falus, Graham Stuart, Károly Hidas, Csaba Szabó, Martin Flower, Endre Hegedüs, Károly Posgay, László Zilahi-Sebess, Tamás Fancsik

Research output: Article

5 Citations (Scopus)


We review deformation patterns in mantle xenoliths from the central part of the Carpathian-Pannonian Region (CPR) and, in combination with seismic shear wave splitting data, attempt to define patterns of upper mantle anisotropy. Our interpretations from both lines of evidence support a model for east-west oriented asthenospheric flow, decoupled (at least in part) from the overlying lithosphere. Mantle flow fields resulting from Tertiary indentation of Europe by the Adriatic micro-plate and the resulting Alpine orogen may thus have been an important factor in driving the eastward extrusion of lithospheric blocks in the CPR accompanied by lithospheric extension, rapid 'rollback' of the Carpathian subduction system, and it's diachrounous collision with the European craton. According to this model, eastward asthenospheric flow would add signifi- cantly to the effects of slab rollback and gravitational instability. Thus, opening of the Pannonian Basin, rather than being exclusively driven by 'slab pull' and gravitational instability, could have been resulted, at least in part, from mantle flow associated with the Adria-European collision and ensuing Alpine orogeny.

Translated title of the contributionAsthenospheric flow as a driving force for Tertiary extrusion and extension?
Original languageHungarian
Pages (from-to)79-87
Number of pages9
JournalMagyar Geofizika
Issue number2
Publication statusPublished - okt. 14 2011

ASJC Scopus subject areas

  • Geophysics
  • Geology

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  • Cite this

    Kovács, I., Falus, G., Stuart, G., Hidas, K., Szabó, C., Flower, M., Hegedüs, E., Posgay, K., Zilahi-Sebess, L., & Fancsik, T. (2011). Asztenoszféra-áramlás mint a tercier kilöködés és extenzió hajtóereje? Magyar Geofizika, 52(2), 79-87.