Structural evolution of the Ural-Tian Shan junction: A view from Karatau ridge, South Kazakhstan

被引：53

作者：

Alexeiev, Dmitriy V. ^{[1
]}

Cook, Haffy E. ^{[2
]}

Buvtyshkin, Vasiliy M. ^{[3
]}

Golub, Lyudmila Y. ^{[3
]}

机构：

[1] Russian Acad Sci, Inst Geol, Moscow 119017, Russia

[2] ISGS, Menlo Pk, CA 94205 USA

[3] JSC Izdenis, Alma Ata 480061, Kazakhstan

来源：

COMPTES RENDUS GEOSCIENCE | 2009年 / 341卷 / 2-3期

关键词：

Late Carboniferous; Stress field evolution; Structural events; Ural-Tian Shan junction; South Kazakhstan; BELT; ASIA;

D O I：

10.1016/j.crte.2008.12.004

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

The deformation history of the Late Palaeozoic Ural-Tian Shan junction is discussed for the example of the Karatau ridge in southern Kazakhstan. Three deformation events are recognized. The Late Carboniferous D 1 event is characterized by Laramide-style thrust-and-fold structures on the southern margin of Kazakhstan with shortening in a NE-SW direction. The Latest Permian and Triassic D2 event is controlled by compression in an east-west direction, which reflects collisional deformation in the Urals. The main structures are submeridional folds and north-west-striking sinistral strike-slip faults. The Triassic D3 event with shortening in a north-south direction reflects collision of the Turan microcontinent against the southern margin of Kazakhstan. The main structures are northwest-striking dextral strike-slip faults. Our new data provides important clues for the reconstruction of pre-Cretaceous structures between the Urals and the Tian Shan. To cite this article: D.V. Alexeiev et al., C. R. Geoscience 341 (2009). (C) 2008 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.

引用

页码：287 / 297

页数：11

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