| 西天山阿吾拉勒一带伊什基里克组火山岩地球化学特征及构造环境 |
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| 引用本文： | 刘静,李永军,王小刚,郭文杰.西天山阿吾拉勒一带伊什基里克组火山岩地球化学特征及构造环境[J].新疆地质,2006,24(2):105-108. |
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| 作者姓名： | 刘静 李永军 王小刚 郭文杰 |
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| 作者单位： | 1. 长安大学地球科学与国土资源学院,陕西,西安,710054
2. 新疆维吾尔自治区地质矿产勘查开发局第九地质大队,新疆,乌鲁木齐,830000 |
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| 基金项目： | 新疆新源县托库孜库马拉克一带1∶5万区域地质矿产调查(XJQDW2003—07)资助 |
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| 摘 要： | 西天山阿吾拉勒一带晚石炭世伊什基里克组为一套以钙碱性系列为主、碱性系列次之的双峰式火山岩建造,其中玄武岩类以碱性为主.岩石富FeO、Hf、Th、Y、Rb、Ba、Sc、Zr、Cs、V和LREE,贫TiO2、MgO、P2O5、Cr和Nb,岩石组合及地球化学各种参数和图解均证实,其形成于大陆板内裂谷环境.伊什基里克组火山岩是证实阿吾拉勒地区晚石炭世演化为大陆板内裂谷环境的重要记录.
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| 关 键 词： | 西天山 地球化学特征 构造环境 火山岩 伊什基里克组 |
| 文章编号： | 1000-8845(2006)02-105-04 |
| 收稿时间： | 12 1 2005 12:00AM |
| 修稿时间： | 01 18 2006 12:00AM |
GEOCHEMICAL CHARACTERISTICS AND TECTONIC ENVIRONMENT OF THE YISHIJILIKE FORMATION VOLCANIC ROCKS IN THE AWULALE AREA OF WESTERN TIANSHAN |
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| LIU Jing,LI Yong-jun,WANG Xiao-gang,GUO Wen-jie.GEOCHEMICAL CHARACTERISTICS AND TECTONIC ENVIRONMENT OF THE YISHIJILIKE FORMATION VOLCANIC ROCKS IN THE AWULALE AREA OF WESTERN TIANSHAN[J].Xinjiang Geology,2006,24(2):105-108. |
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| Authors: | LIU Jing LI Yong-jun WANG Xiao-gang GUO Wen-jie |
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| Abstract: | The Yishijilike formation is a series of Upper Carboniferous bimodal volcanic formations with more alkaline and less calc-alkaline volcanic suites in the Awulale area of the West Tianshan. The rocks are rich in FeO, Hf, Th, Y, Rb, Ba, Sc, Zr, Cs, V and LREE, but poor in TiO2, MgO, P2O5, Cr and Nb. The rock association and many data and diagrams from geochemistry indicate a within plate rift tectonic environment. The volcanic rocks of the Yishijilike formation record the evolution of the tectonic environment in the Upper Carboniferous. |
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| Keywords: | Geochemical characteristics tectonic environment volcanic rocks Yishijilike formation Western Tianshan |
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