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| 新疆东昆仑木孜塔格俯冲带蛇绿岩--地幔橄榄岩尖晶石证据 | |
| 引用本文： | 兰朝利,李继亮,何顺利,魏俊之.新疆东昆仑木孜塔格俯冲带蛇绿岩--地幔橄榄岩尖晶石证据[J].矿物岩石,2002,22(3):1-4. |
| 作者姓名： | 兰朝利 李继亮 何顺利 魏俊之 |
| 作者单位： | 1. 石油大学石油工程系,北京,102200;中国科学院地质与地球物理研究所岩石圈构造演化开放实验室,北京,100029 2. 中国科学院地质与地球物理研究所岩石圈构造演化开放实验室,北京,100029 3. 石油大学石油工程系,北京,102200 |
| 基金项目： | 国家“九·五”科技攻关 3 0 5项目 996-915 -0 6-0 3 )资助 |
| 摘 要： | 木孜塔格蛇绿岩沿木孜塔格-鲸鱼湖断裂继续分布，由质橄榄岩，堆晶岩和火山岩3个单元构成，其中，蛇绿岩各单元呈构造混杂出露；尖晶石仅见于尖晶石二辉橄榄岩中，呈他形一半自形，对尖晶石的成分分析表明，这些橄榄岩经历了从洋中脊到俯冲带环境的变化，而最终在俯冲带就位，因此属SSZ型蛇绿岩，这对探讨昆仑山的演化极具参考价值。 |
| 关 键 词： | 新疆 地幔 橄榄岩 东昆仑 木孜塔格 蛇绿岩 俯冲带 尖晶石 成分分析 |
| 文章编号： | 1001-6872(2002)03-0001-04 |
| 修稿时间： | 2002年1月5日 |
MINERALOGICAL EVIDENCE FOR SUBDUCTION ZONE OPHIOLITE,MUZTAG,EAST KUNLUN OF XINJIANG |
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| LAN Chao-li ,LI Ji-liang ,HE Shun-li ,WEI Jun-zhi .Deparment of Petroleum Engineering,Petroleum University,Beijing ,China, .Laboratory of Lithosphere Tectonic Evolution.MINERALOGICAL EVIDENCE FOR SUBDUCTION ZONE OPHIOLITE,MUZTAG,EAST KUNLUN OF XINJIANG[J].Journal of Mineralogy and Petrology,2002,22(3):1-4. | |
| Authors: | LAN Chao-li LI Ji-liang HE Shun-li WEI Jun-zhi Deparment of Petroleum Engineering Petroleum University Beijing China Laboratory of Lithosphere Tectonic Evolution |
| Institution: | LAN Chao-li~ 1,2,LI Ji-liang~ 2,HE Shun-li~ 1,WEI Jun-zhi~ 1 1.Deparment of Petroleum Engineering,Petroleum University,Beijing 102200,China, 2.Laboratory of Lithosphere Tectonic Evolution,Institute of Geology and Geophysics,Ch |
| Abstract: | Muztag ophiolite outcrops along Muztag-Jingyuhu fault discontinuously and is composed of metamorphosed peridotites,cumulates and volcanic rocks.Each unit of ophiolite occurs as tectonic melange respectively.Spinels are only seen in spinel-lherzolites and are anhedral to subhedral in shape.The analysis of spinels show that the peridotites have undergone the environmental from mid-ocean ridge to subduction zone,and emplaced in subduction zone.So it belongs to SSZ-type ophiolite.The study provides important data for probing into the evolution of Kunlun Mountain. |
| Keywords: | East Kunlun Mountain Muztag ophiolite subduction zone spinel |
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