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A LARGE DUCTILE SHEAR ZONE IN KAWABULAK OF XINJIANG AND FAVORABLE POSITIONS FOR MINERALIZATION
Author(s): YU Haifeng, XIU Qunye, LI Zuo
Pages: 364-
366
Year: 2002
Issue:
4
Journal: XINJIANG GEOLOGY
Keyword: 新疆; 卡瓦布拉克; 韧性剪切带; 成矿;
Abstract: 在东天山"中天山结晶轴"南部的卡瓦布拉克-星星峡一带,存在一条长达500km以上的大型韧性剪切带.该带中发育有变形花岗闪长岩、蛇纹石化超基性岩、辉长岩侵入体、硅质岩和砾岩,说明在中天山前寒武纪地块与塔里木基底之间存在一条构造混杂岩带.韧性剪切带叠加在在构造混杂岩带上.该韧性剪切带宏观几何分布、次级构造组合、叠加变形特征均与康古尔塔格韧性剪切带极为相似.其中大洼地东部、沙垅铁矿南部和双峰山地区是金、铅、锌、铜成矿的有利区段.
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