Tectonic Evolution of Central and South Tianshan Orogenic Belts in the Central Asia and Mineralization Background
详细信息
- 责任者：Zuo Guochao (Gansu Geological Survey ; Lanzhou 730000 ; China) ; Liu Yike
- 刊名：Geoscience
- 出版年：2011
- 卷期：25(1)
- 关键词：构造演化 ; structural evolution ; 成矿作用 ; metallogenesis ; 新疆 ; Xinjiang ; 中亚 ; Central Asia
- 页码：p.1-14
- 图表：3 illus., 1 table, 57 refs.
- 分类号：0300
- issnNo：ISSN1000-8527
- isbnNo：CN11-2035/P
摘要
The Central and South Tianshan orogenic belts are located across the Central Asia. The Late Proterozoic breakup event of Rodinia Supercontinent led to the formation of many variable-size blocks surrounded by palaeo-oceans. The NE-striking Talas-Fergana throughout the researched area was a characteristic of transform fault in Palaeozoic time, and it controlled the tectonic evolution and mineralization difference between east and west sections of the fault. Subsequently, the emplacement of the post-collision-type granites plays a key role in the mercuric and antimony mineralization. Talas-Fergana fault was characterized by strike slip and extension during Jurassic. In Cenozoic, the tectonic uplift resulted in compression and shortening of the South Tianshan was triggered by the northward subduction of the Indian Plate.
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