| 中国东部及南海西部陆缘CO2气藏形成机理 |
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| 引用本文： | 刘宝明,夏斌,李绪宣,张敏强,陈振宏.中国东部及南海西部陆缘CO2气藏形成机理[J].矿物岩石地球化学通报,2004,23(3):207-212. |
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| 作者姓名： | 刘宝明 夏斌 李绪宣 张敏强 陈振宏 |
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| 作者单位： | 中国科学院,边缘海地质与矿产资源重点实验室,广州,510640 |
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| 基金项目： | 中国科学院知识创新工程方向项目(kzcx2-sw-117-03),中国科学院广州地球化学研究所创新项目(GIGCX-03-07),国家自然科学基金(40306010)和中海石油总公司科技攻关项目(CNOOCRC-XBY-2002-04)联合资助 |
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| 摘 要： | 以我国东部及南海西部陆缘众多CO2气葳为依据，分析了气藏中气体组分、同位素组成及分布特征，指出该地区从北至南分布着一巨型北东向岩浆幔源无机成因CO2气藏带，莺歌海盆地中具有壳幔混源特征，其形成机理与欧亚板块和太平洋板块碰撞俯冲带所形成的构造岩浆作用有关；靠近俯冲带，热源体以火山岩体、基性玄武岩为主，远离俯冲带则以泥底辟热流体为主；超壳断裂是幔源气和热源的输运通道。
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| 关 键 词： | 俯冲带 南海 中国东部 CO2气藏 海西 陆缘 岩浆作用 西部 形成机理 中国 |
| 文章编号： | 1007-2802(2004)03-0207-06 |
| 修稿时间： | 2004年1月2日 |
The Genetic Mechanism of CO2 in the East China and the southwestern China Sea |
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| LIU Bao-ming,XIA Bin,LI Xu-xuan,ZHANG Min-qiang,CHEN Zhen-hong Laboratory of Marginal Sea Geology and Resources,Chinese Academy of Science,Guangzhou ,China.The Genetic Mechanism of CO2 in the East China and the southwestern China Sea[J].Bulletin of Mineralogy Petrology and Geochemistry,2004,23(3):207-212. |
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| Authors: | LIU Bao-ming XIA Bin LI Xu-xuan ZHANG Min-qiang CHEN Zhen-hong Laboratory of Marginal Sea Geology and Resources Chinese Academy of Science Guangzhou China |
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| Affiliation: | LIU Bao-ming,XIA Bin,LI Xu-xuan,ZHANG Min-qiang,CHEN Zhen-hong Laboratory of Marginal Sea Geology and Resources,Chinese Academy of Science,Guangzhou 510640,China |
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| Abstract: | The authors indicate that there is a big inorganic CO_2 belt oriented to northeast based on analyzing CO_2 compositions, their origins and their distribution features. The belt in genetic mechanism is related to the tectonic-magma process colliding between Europe block and Pacific block. The thermal sources are the lavas and the basalt veins near the dived belt but the diapiric structures are farther away from it. The deep faults are the transportation systems of the mantle gases and the thermal sources. |
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| Keywords: | CO_2 fields genetic model East China South China Sea |
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