Styles of extension in the Pannonian Basin

G. Tari, F. Horváth, J. Rumpler

Research output: Contribution to journalArticle

192 Citations (Scopus)

Abstract

Structural interpretation of reflection seismic profiles reveals distinct modes of upper crustal extension in the Pannonian Basin. While some subbasins in the Pannonian Basin complex show little extension (planar rotational normal faults), others are characterized by large magnitude of extension (detachment faults, metamorphic core complexes). Gravitational collapse of the Intra-Carpathian domain, combined with subduction zone roll-back is thought to be the driving mechanism of the Neogene back-arc extension. The very heterogeneously distributed extension is accommodated by transfer faults, which bound regions characterized by different polarity, direction, or amount of extension. In cross section these transfer faults are characterized by flower structures, typical for strike-slip faults. Seismic stratigraphic interpretations indicate that the non-marine post-rift sedimentary fill of the Pannonian Basin can be described in terms of sequence stratigraphy. The exceptionally good seismic sequence resolution allows recognition of third-order and also fourth-order depositional sequences, which may reflect the interplay of tectonics and eustasy, and Milankovitch scale climatic variations, respectively.

Original languageEnglish
Pages (from-to)203-219
Number of pages17
JournalTectonophysics
Volume208
Issue number1-3
DOIs
Publication statusPublished - Jul 30 1992

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basin
eustacy
detachment fault
gravitational collapse
depositional sequence
stratigraphy
sequence stratigraphy
strike-slip fault
detachment
normal fault
seismic reflection
subduction zone
Neogene
tectonics
polarity
flower
slip
fill
arcs
cross section

ASJC Scopus subject areas

  • Earth-Surface Processes
  • Geophysics

Cite this

Styles of extension in the Pannonian Basin. / Tari, G.; Horváth, F.; Rumpler, J.

In: Tectonophysics, Vol. 208, No. 1-3, 30.07.1992, p. 203-219.

Research output: Contribution to journalArticle

Tari, G. ; Horváth, F. ; Rumpler, J. / Styles of extension in the Pannonian Basin. In: Tectonophysics. 1992 ; Vol. 208, No. 1-3. pp. 203-219.
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