云南中甸洛吉辉绿岩地球化学特征分析
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摘要
<正>云南中甸洛吉乡拉坡里、司家沟和张家一带分布着一套基性、超基性杂岩~([1])。此次研究的辉绿岩脉位于洛吉乡北东向1 500 m处。辉绿岩体走向为NNE,延伸长度约为1 000 m。前人对该区岩石学、岩石地球化学及成岩成矿构造环境等综合研究工作相对薄弱。本文基于详细的野外地质调研和综合研究成果,阐述了洛吉乡辉绿岩体岩石学和地球化学特征。1区域地质研究区地处青藏高原东部"三江"地区蜂腰地带,按照潘桂堂对青藏高原及邻区构造单元的划分,
引文
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[4]Sun Lixin,Wan Xiaoqiao.Wu Xinguo,et al.Geochemical characteristics of basalt in a melange zone in the central segment of the Yarlung Zangbo juncture[J].Geological Bulletin of China,2005,24(1):65-71.[孙立新,万晓樵,吴新国.雅鲁藏布结合带中段混杂岩带内玄武岩的地球化学特征[J].地质通报,2005,24(1):65-71.]
[2]Pan Guitang,Li Xingzhen,Wang Liquan,et al.Preliminary division of tectonic units of the Qinghai-Tibet Plateau and its adjacent regions[J].Geological Bulletin of China,2002,21(11):702-704.[潘桂堂,李兴振,王立全,等.青藏高原及邻区大地构造单元初步划分[J].地质通报,2002,21(11):702-704.]
[3]Li Wenchang,Yin Guanghou,Lu Yingxiang,et al.Delineation of Hongshan-Shudu ophiolitem lange in Geza volcanic-magmatic arc and its significance,southwest"Jinsha-Lancang-Nu rivers"[J].Acta Petrologica Siaica,2010,26(6):1 661-1 671.[李文昌,尹光侯,卢英祥,等.西南“三江”格咱火山—岩浆弧中红山—属都蛇绿混杂岩带的厘定及其意义[J].岩石学报,2010,26(6):1 662-1 671.]
[4]Sun Lixin,Wan Xiaoqiao.Wu Xinguo,et al.Geochemical characteristics of basalt in a melange zone in the central segment of the Yarlung Zangbo juncture[J].Geological Bulletin of China,2005,24(1):65-71.[孙立新,万晓樵,吴新国.雅鲁藏布结合带中段混杂岩带内玄武岩的地球化学特征[J].地质通报,2005,24(1):65-71.]
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