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地球学报  2005 

吉林夹皮沟立山金矿床流体包裹体特征及成矿温度

DOI: 10.3975/cagsb.2005.01.04

Keywords: 夹皮沟金矿带,立山金矿床,石英脉型,流体包裹体,成矿温压条件

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Abstract:

夹皮沟立山金矿为一大型石英脉型金矿床。对取自该区老5号矿脉石英脉型金矿石流体包裹体研究表明,该区石英中主要发育CO2,含CO2三相,气液两相及单液相等4种类型原生流体包裹体;测温结果显示,各类流体包裹体均一温度为218.2~420.0℃,盐度为3.1%~11.4%;经CO2包体、富CO2包体及气液两相包体共生发育及包体中CO2相成分分析结果表明,成矿流体为不混溶体NaCl-H2O-CO2系类型。据不混溶体系成矿温压估算方法,确定该矿床成矿温度为335~415.0℃,成矿压力为(750~1250)×105Pa,成矿深度约为4.4~7.5km。

References

[1]  Wang Keyong;YaoShuzhen;Lu Xinbiao.Phase separation of fluids in Manaoke gold deposit of Northwestern Sichuan and its mineralization significance[J].Acta Geoscientia Sinica,2001(01)
[2]  Robert F;KellyWC,Ore-forming fluid in Archean gold-bearing quartz vein at the Sigma mine,Abitibi greenstone belt Quebec Canada Econ Geol,1987.
[3]  Liu Bin;ShenKun,The basement of fluid inclusion thermodynamics,北京:地质出版社,1999.
[4]  张恩世,流体包裹体研究实践指南,武汉:中国地质大学出版社,1990.
[5]  王可勇;姚书振;吕新彪.川西北马脑壳金矿床流体包裹体相分离作用及成矿意义[J].地球学报,2001(01)
[6]  Zhang Wenhuai;ChenZiying,Geology of fluid inclusions,武汉:中国地质大学出版社,1993.
[7]  Zhang Enshi,A pratical to fluid inclusion stu--dies,武汉:中国地质大学出版社,1990.
[8]  Shen Baofeng;LiJunjian;Mao Debao,The geology and metallogeneic prognasis of Jiapigou gold deposits,Jilin province,北京:地质出版社,1998.
[9]  Craw D,Fluid evolution,fluid immiscibility and gold deposition during Creataceous-recent tectonics and uplift of the Otago and Alpine schist,New Zealand Chen Geol,1992.
[10]  张文淮;陈紫英,流体包裹体地质学,武汉:中国地质大学出版社,1993.
[11]  沈保丰;李俊建;毛德宝,吉林夹皮沟金矿地质与成矿预测,北京:地质出版社,1998.
[12]  Tbrahim M S;KyserTK,Fluid inclusion and isotope systema-tics of the high-T Proterozoic Star Lake Lode gold deposit,Nothern Soskatchewan,Canada Econ Geol,1991.
[13]  刘斌;沈昆,流体包裹体热力学基础,北京:地质出版社,1999.

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