江西大湖塘超大型钨矿床平苗矿段花岗斑岩的年代学和地球化学及成矿意义
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摘要
<正>江西大湖塘钨矿床是近年发现的多类型矿化紧密共生的超大型岩浆热液型钨矿床。本团队在大湖塘平苗矿段地表考察花岗斑岩脉时,首次发现多条岩脉中发育黑钨矿-石英细脉,见大量细粒针状黑钨矿。矿脉仅局限在岩体中,未进入围岩中。LA-ICP-MS对该花岗斑岩锆石U-Pb定年,一组206Pb/238U加权平均年龄为149.1±1.1 Ma,为花岗斑岩年龄;另一组为890 Ma左右,为同化混染晋宁期围岩导致。
引文
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黄兰椿,蒋少涌.2012.大湖塘钨矿床似斑状白云母花岗岩研究.岩石学报,28(12):3888-3900.
黄兰椿,蒋少涌.2013.江西大湖塘富钨花岗斑岩年代学地球化学特征及成因研究.岩石学报,29(12):4323-4335.
蒋少涌,等.2015.赣北大湖塘矿集区超大型钨矿地质特征及成因探讨.岩石学报,031(3):640-654.
项新葵,等.2012.江西省大湖塘石门寺矿区超大型钨矿的发现及找矿意义.资源调查与环境,33(3):142-151.
项新葵,等.2013.赣北石门寺超大型钨多金属矿床地质特征.矿床地质,32(6):1171-1187.
钟玉芳,等.2005.江西九岭花岗岩类复式岩基锆石SHRIMP U-Pb年代学.地球科学,30(6):685-691.
Huang L C,Jiang S Y.2014.Highly fractionated S-type granites from the giant Dahutang tungsten deposit in Jiangnan Orogen,Southeast China:Geochronology,petrogenesis and their relationship with W-mineralization.Lithos,202-203:207-226.
Mao Z H,et al.2014.Geochronology and geochemistry of granitoids related to the giant Dahutang tungsten deposit,Middle Yangtze River region,China:lmplications for petrogenesis,geodynamic setting,and mineralization.Gondwana Res,doi:org/10.1016/j.gr.2014.07.005.
Shu X J,et al.2011.Trace elements,U-Pb ages and Hf isotopes of zircons from Mesozoic granites in the western Naling Range,South China;implications for petrogenesis and W-Sn mineralization.Lithos,127(3-4):468-482.
丰成友,等.2012.赣西北大湖塘钨矿床辉钼矿Re-Os同位素定年及其意义.岩石学报,28(12):3858-3868.
黄兰椿,蒋少涌.2012.大湖塘钨矿床似斑状白云母花岗岩研究.岩石学报,28(12):3888-3900.
黄兰椿,蒋少涌.2013.江西大湖塘富钨花岗斑岩年代学地球化学特征及成因研究.岩石学报,29(12):4323-4335.
蒋少涌,等.2015.赣北大湖塘矿集区超大型钨矿地质特征及成因探讨.岩石学报,031(3):640-654.
项新葵,等.2012.江西省大湖塘石门寺矿区超大型钨矿的发现及找矿意义.资源调查与环境,33(3):142-151.
项新葵,等.2013.赣北石门寺超大型钨多金属矿床地质特征.矿床地质,32(6):1171-1187.
钟玉芳,等.2005.江西九岭花岗岩类复式岩基锆石SHRIMP U-Pb年代学.地球科学,30(6):685-691.
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