新疆青河玛因鄂博构造杂岩带变形特征  

DEFORMATION OF TECTONIC COMPLEX ZONE IN THE MAYINBOGE AREA OF QINHE COUNTY,XINJIANG

作　　者：胡志军[1] 王华星[1] 刘芳 徐胜利[1] 吴新忠[1] 何建喜[1] 

机构地区：[1]新疆维吾尔自治区地质矿产勘查开发局第二区域地质调查大队,昌吉831100 [2]陕西地矿局第一地质大队,安康710065

出　　处：《陕西地质》2008年第2期64-73,共10页Geology of Shaanxi

摘　　要：青河县东南部的玛因鄂博构造杂岩带具逆冲推覆和右行走滑剪切双重构造变形性质,与额尔齐斯构造杂岩带同属于一个构造带;构造变形强烈而复杂,构造杂岩带的几何学特征、岩石学变形特征和变形运动学特征表明,玛因鄂博构造带俯冲—增生楔体的拼合,总体呈现为迭瓦式逆冲—推覆构造模式,基本反映了西伯利亚板块和哈萨克斯坦板块晚古生代碰撞造山作用过程。The Mayinboge tectonic complex zone in Qinhe County is featured in double teetonic deformation with thrusted and right lateral strike slipped concurrently, which is located in the same tectonic zone with the Irtysh tectonic complex zone. The tectonic deformation occurring in the tectonic complex zone is intensive and complicated, of which the characteristics of geometry, lithology and deformation indieate the assemblage of thrusting-accretion wedge, showing a imbricated thrusting-nappe structural model and reflecting the process of collision orogens between the Siberia plate and the Kazakhstan plate in the late Paleozoic period.

关 键 词：额尔齐斯构造带 玛因鄂博 构造杂岩带 构造变形 韧性变形 

分 类 号：P588.3[天文地球—岩石学]