2 Department of Geology, Tarbiat Modares University, Tehran, Iran . We specifically focus on the influence of the inherited extensional architecture and basin fill properties on the deformational structures that form during inversion. Basin formation models are subdivided into three categories from the rheologi- We first model formation of a sedimentary basin by extension of continental lithosphere to achieve a mechanically and thermally consistent model that can be used to investigate the influence of the postrift phase on inversion structures. TECTONOPHYSICS ELSEVIER Tectonophysics 240 (1994) 1-9 Dynamics of extensional basin formation and inversion: introduction S. Cloetingh, 0. (2020). The validity of the code was tested with a single listric fault model and a multiple-fault model. Eidholm, B.T. The evolution of extensional sedimentary basins is governed by the surrounding stress field and can, therefore, be expected to be highly sensitive to variations in these stresses. Our aim is to study the formation of extensional sedimentary basins and their subsequent contractional inversion in a consistent manner. We begin with a review of the strength envelope concept, its uncer- tainties and assumptions. Larsen, R.H. Gabrielsen, W. Sassi Introduction and background This volume contains a collection of papers on the dynamics of extensional basin formation and inversion presented at the 3rd annual workshop of the International … Our basin‐wide analysis synthetizes the interpretation of vintage multichannel and single channel seismic profiles, integrated with modern seismic images and P‐wave velocity models, and with high resolution morpho‐bathymetric data. Formation of an extensional sedimentary basin. It has been argued that the gravitational collapse of older compressional structures caused the extension. Burchfiel, B. C. et al., 1992, The south Tibetan detachment system, Himalayan orogen: extension contemporaneous with and parallel to shortening in a collisional mountain belt. 5, pp. Phase 2 (17-4 Ma) was a period of NE-trending extensional basin development and in extensional basin modelling, and to discuss the consequences and limitations associated with the different rheological assumptions. formed during the same rift episode as the Maestrat In the Harz Mountains (eastern Germany), banded basin, and most of the Zn-Pb deposits in the basin can galena-sphalerite-quartz-calcite veins also formed be related to extensional tectonics before the onset of after the Variscan orogeny (Large, 2003). Formation of Extensional Basin in Internal Part of the Zag-Ros Orogeny in West of Sirjan, Iran () Amin Azadikhah 1 , Soheila Bouzari 1 , Ali Yassaghi 2 , Mohammad Hashem Emami 3 1 Department of Geology, North Tehran Branch, Islamic Azad University, Tehran, Iran . Geological Society of America Special Paper 269. 67, No. To this purpose we perform two-dimensional thermomechanical numerical experiments. We developed a MATLAB code, MODBAS, to model extensional sedimentary basin formation based on the CSSPSM. Mechanics of basin formation and its development, therefore, vary according to the tectonic processes of the set up Thus, basins are classified and grouped under plate tectonic set up and processes involved, viz., Divergent, Convergent & Transform settings respectively characterized by extensional, compressional & trans- 663-680. Australian Journal of Earth Sciences: Vol. Coeval basin formation, plutonism and metamorphism in the Northern Tasmanides: extensional Cambro-Ordovician tectonism of the Charters Towers Province. We present a new tectonic map focused upon the extensional style accompanying the formation of the Tyrrhenian back‐arc basin. 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