Strike-slip reactivation of a Paleogene to Miocene fold and thrust belt along the central part of the Mid-Hungarian Shear Zone
Published: Dec 2010
Pages: 483 - 493
DOI: https://doi.org/10.2478/v10096-010-0030-3
Authors: MARTON PALOTAI, LASZLO CSONTOS
Abstract: Recently shot 3D seismic data allowed for a detailed interpretation, aimed at the tectonic evolution of the central part of the Mid-Hungarian Shear Zone (MHZ). The MHZ acted as a NW vergent fold and thrust belt in the Late Oligocene. The intensity of shortening increased westwards, causing clockwise rotation of the western regions, relatively to the mildly deformed eastern areas. Blind thrusting and related folding in the MHZ continued in the Early Miocene. Thrusting and gentle folding in the MHZ partly continued in the earliest Pannonian, and was followed by sinistral movements in the whole MHZ, with maximal displacement along the Tóalmas zone. Late Pannonian inversion activated thrusts and generated transpressional movements along the Tóalmas zone.
Keywords: tectonics, fold and thrust belt, strike-slip faulting, Mid-Hungarian Shear Zone
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