Geologica Belgica

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Willem VANDOORNE, Johan DE GRAVE, Stijn GLORIE & Peter VAN DEN HAUTE

SHORT NOTE: The tectonic evolution of the Chuya-Kurai zone (Siberian Altai mountains) by means of multi-method chronology

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Mots-clés : geochronology, thermal history, intracontinental reactivation, Central Asian Orogenic Belt, tectonic denudation

Abstract

The Phanerozoic tectonic evolution of the Chuya-Kurai zone was studied by means of zircon U/Pb-dating, apatite fission track (AFT) and apatite (U-Th)/He (AHe) thermochronology on basement rocks. Our results suggest that multiple magmatic episodes during the Paleozoic, related to the accretion-collision tectonics in Central Asia, affected our study area. Mesozoic and Cenozoic basement cooling events are interpreted as periods of tectonic reactivation. We propose a new tectonic model for Late Cenozoic evolution of the Chuya-Kurai zone.

To cite this article

Willem VANDOORNE, Johan DE GRAVE, Stijn GLORIE & Peter VAN DEN HAUTE, «SHORT NOTE: The tectonic evolution of the Chuya-Kurai zone (Siberian Altai mountains) by means of multi-method chronology», Geologica Belgica [En ligne], volume 14 (2011), number 3-4, 289-292 URL : http://popups.ulg.ac.be/1374-8505/index.php?id=3447.

About: Willem VANDOORNE

Geochronology Groep, Department of Minerology & Petrology, Ghent University, Ghent, Belgium. E-mail: Willem.Vandoorne@Ugent.be

About: Johan DE GRAVE

Geochronology Groep, Department of Minerology & Petrology, Ghent University, Ghent, Belgium.

About: Stijn GLORIE

Geochronology Groep, Department of Minerology & Petrology, Ghent University, Ghent, Belgium.

About: Peter VAN DEN HAUTE

Geochronology Groep, Department of Minerology & Petrology, Ghent University, Ghent, Belgium.