| 贵州上二叠统龙潭组煤系地层地球化学特征及物源分析:来自黔普地1井的证据 |
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| 引用本文： | 罗香建,卢树藩,杜胜江,陈厚国,符宏斌,何犇,刘国栋.贵州上二叠统龙潭组煤系地层地球化学特征及物源分析:来自黔普地1井的证据[J].矿物岩石地球化学通报,2019(1):130-136. |
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| 作者姓名： | 罗香建 卢树藩 杜胜江 陈厚国 符宏斌 何犇 刘国栋 |
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| 作者单位： | 贵州省地质调查院;东华理工大学;中国地质科学院 |
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| 基金项目： | 贵州省科技计划项目(黔科合[2016]支撑2807);贵州省地质矿产勘查开发局地质科研项目(黔地矿科合(2016)31号);中国地质调查局项目(中地调合同[2016]74号);贵州省科技计划项目(黔科合平台人才[2018]5626) |
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| 摘 要： | 为厘清贵州上二叠统龙潭组煤系地层的物源,以黔西南地区黔普地1井为研究对象,采集了上二叠统龙潭组的岩心进行稀土元素分析。结果表明,龙潭组的稀土总量较高(177.03×10-6～592.58×10-6),轻、重稀土分馏明显,稀土元素配分模式呈轻稀土富集、重稀土相对亏损的右倾型;(La/Sm)_N为2.63～4.72,(Gd/Yb)_N值为1.47～2.218,表明轻稀土分馏较重稀土严重;δEu无异常。研究表明,其形成的构造环境与大陆边缘与大陆弧相近,推测黔普地1井二叠系龙潭组物质来源以玄武岩为主。
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| 关 键 词： | 稀土元素 物源 龙潭组 贵州 |
Geochemical Characteristicsand Provenance Analysis of the Upper Permian Longtan Formation of the Coal Measure Stratum in Guizhou: Evidences from the Qianpudi Well No.1 |
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| LUO Xiang-jian,LU Shu-fan,DU Sheng-jiang,CHEN Hou-guo,FU Hong-bin,HE Ben,LIU Guo-dong.Geochemical Characteristicsand Provenance Analysis of the Upper Permian Longtan Formation of the Coal Measure Stratum in Guizhou: Evidences from the Qianpudi Well No.1[J].Bulletin of Mineralogy Petrology and Geochemistry,2019(1):130-136. |
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| Authors: | LUO Xiang-jian LU Shu-fan DU Sheng-jiang CHEN Hou-guo FU Hong-bin HE Ben LIU Guo-dong |
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| Institution: | (Guizhou Geological Survey,Bureau of Geology and Mineral Exploration and Development of Guizhou Province, Guiyang 550018,China;East China University of Technology,Nanchang 330013,China;Chinese Academy of Geological Science,Beijing 100037,China) |
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| Abstract: | LUO Xiang-jian;LU Shu-fan;DU Sheng-jiang;CHEN Hou-guo;FU Hong-bin;HE Ben;LIU Guo-dong(Guizhou Geological Survey,Bureau of Geology and Mineral Exploration and Development of Guizhou Province, Guiyang 550018,China;East China University of Technology,Nanchang 330013,China;Chinese Academy of Geological Science,Beijing 100037,China) |
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| Keywords: | geochemistry material sources the Longtan Formation Guizhou province |
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