| 南天山榆树沟麻粒岩相构造岩研究 |
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| 引用本文： | 王居里,王润三.南天山榆树沟麻粒岩相构造岩研究[J].岩石学报,1999,15(4):539-547. |
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| 作者姓名： | 王居里 王润三 |
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| 作者单位： | 西北大学地质系!西安710069 |
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| 摘 要： | 榆树沟麻粒岩相构造岩宏观上呈糜棱岩带和糜棱岩化带产出，发育强烈流变叶理；微观上主要造岩矿物发育各种塑性变形显微构造。变形过程中同种造岩矿物的动态重结晶新晶与塑变残斑（残晶） 之间化学成分变化不明显， 表明在变形期间水活度低，以位错蠕变为主。该构造岩形成于深地壳麻粒岩相变质的晚期阶段，是地体在早期阶段于下地壳底部－上地幔顶部发生高压麻粒岩相变质作用后因构造抬升进入深地壳麻粒岩相环境下发生退变质和强烈韧性剪切变形的产物， 其形成后经历了快速的构造折返过程。
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| 关 键 词： | 新疆 南天山 深地壳韧性剪切作用 麻粒岩相构造岩 构造抬升 |
A study of tectonites of
granulite facies in Yushugou, South Tianshan, China. |
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| Wang Juli,Wang Runsan,Zhou Dingwu,Wang Yan and Liu Yangjie..A study of tectonites of
granulite facies in Yushugou, South Tianshan, China.[J].Acta Petrologica Sinica,1999,15(4):539-547. |
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| Authors: | Wang Juli Wang Runsan Zhou Dingwu Wang Yan and Liu Yangjie |
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| Institution: | Wang Juli,Wang Runsan,Zhou Dingwu,Wang Yan and Liu Yangjie..Department of Geology,Northwest University,Xi'an . |
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| Abstract: | Tectonites of granulite facies in Yushugou occur as mylonite zones and mylonitized zones with highly rheomorphic foliations, and are characterized by the microstructures of plastic deformation of main rock forming minerals. During the deformation, chemic |
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| Keywords: | South Tianshan Xinjiang Ductile shearing in deep crust Tectonites of granulite facies Tectonic uplift |
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