Structural evolution of the Transylvanian Basin (Romania): a sedimentary basin in the bend zone of the Carpathians

Structural evolution of the Transylvanian Basin (Romania): a sedimentary basin in the bend zone... The Transylvanian Basin with its up to 10-km-thick Upper Cretaceous to Pliocene fill is one of the most important sedimentary basins of southeastern Europe. Upper Cretaceous coarse-grained clastics lie unconformably on basement strongly tectonized during Early Cretaceous and older stages. Upper Cretaceous sediments were mainly deposited along roughly NS-trending grabens and were subsequently folded before the end of the Paleocene. Eocene to Middle Oligocene rocks record mostly quiet sedimentation. NS tension and extension took place in the Oligocene and was followed by widespread NWSE compression and contraction. Important thrusts are associated with this phase in the northwestern and southeastern parts of the basin. Widespread NS contraction followed during the Early Miocene in association with S-vergent thrusting in the northern part of the basin. A southward thinning clastic wedge developed during this stage. The Badenian basal unconformity marked a major change in the sedimentary and tectonic pattern of the Transylvanian Basin with new depocenters developing in the central parts of the present-day basin. Late Miocene EW extension affected vast areas and caused some important normal faulting in the southeast. The youngest deformation recorded is associated with EW contraction and is of Pliocene or younger age. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Tectonophysics Elsevier

Structural evolution of the Transylvanian Basin (Romania): a sedimentary basin in the bend zone of the Carpathians

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Publisher
Elsevier
Copyright
Copyright © 1997 Elsevier Ltd
ISSN
0040-1951
eISSN
1879-3266
DOI
10.1016/S0040-1951(96)00261-2
Publisher site
See Article on Publisher Site

Abstract

The Transylvanian Basin with its up to 10-km-thick Upper Cretaceous to Pliocene fill is one of the most important sedimentary basins of southeastern Europe. Upper Cretaceous coarse-grained clastics lie unconformably on basement strongly tectonized during Early Cretaceous and older stages. Upper Cretaceous sediments were mainly deposited along roughly NS-trending grabens and were subsequently folded before the end of the Paleocene. Eocene to Middle Oligocene rocks record mostly quiet sedimentation. NS tension and extension took place in the Oligocene and was followed by widespread NWSE compression and contraction. Important thrusts are associated with this phase in the northwestern and southeastern parts of the basin. Widespread NS contraction followed during the Early Miocene in association with S-vergent thrusting in the northern part of the basin. A southward thinning clastic wedge developed during this stage. The Badenian basal unconformity marked a major change in the sedimentary and tectonic pattern of the Transylvanian Basin with new depocenters developing in the central parts of the present-day basin. Late Miocene EW extension affected vast areas and caused some important normal faulting in the southeast. The youngest deformation recorded is associated with EW contraction and is of Pliocene or younger age.

Journal

TectonophysicsElsevier

Published: May 10, 1997

References

  • Late orogenic extension in mountain belts: insights from the Basin and Range and the late Paleozoic Variscan belt
    Malavieille, J.
  • Sequence stratigraphy and Paleogene tectonic evolution of the Transylvanian basin (Romania, Eastern Europe)
    Proust, J.N.; Houst, A.
  • Cretaceous to Miocene thrusting and wrenching along the central south Carpathians due to a corner effect during collision and orocline formation
    Ratschbacher, L.; Linzer, H.G.; Moser, F.; Strusievicz, R.O.; Bedelean, H.; Har, N.; Mogos, P.A.
  • The tectonic expression of slab pull at continental convergent boundaries
    Royden, L.H.
  • Evolution of retreating subduction boundaries formed during continental collision
    Royden, L.H.

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