文章摘要
卫晓锋,阴元军,黄兴凯,丁汝福,廖震,姜建平.新疆阿克塔斯金矿含金石英脉40Ar/39Ar年代学及其地质意义[J].矿产勘查,2016,7(1):65-71
新疆阿克塔斯金矿含金石英脉40Ar/39Ar年代学及其地质意义
40Ar/39Ar dating of the gold-bearing quartz veins in Aketas gold deposit and its geologiacal implications, Xinjiang
投稿时间：2015-07-15  
DOI：
中文关键词: Ar-Ar年龄  金矿  阿克塔斯  新疆
英文关键词: 40Ar/39Ar age, gold deposit, Aketas, Xinjiang
基金项目:国土资源部公益性行业科研专项(编号:201511016-2)和“十二五”国家科技支撑计划项目(编号:2015BAB05B04-03)联合资助。 
作者单位
卫晓锋 北京矿产地质研究院,北京 100012 
阴元军 中色地科矿产勘查股份有限公司,北京 100012 
黄兴凯 北京矿产地质研究院,北京 100012 
丁汝福 有色金属矿产地质调查中心,北京 100012 
廖震 北京矿产地质研究院,北京 100012 
姜建平 有色金属矿产地质调查中心,北京 100012 
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中文摘要:
      新疆富蕴县阿克塔斯金矿位于额尔齐斯断裂带的东南部。文章通过对含金石英脉的40Ar/39Ar同位素测年获得等时线年龄为(240.38±4.89)Ma,反等时限线年龄为(240.51±4.80)Ma,限定金矿的成矿时间为240Ma±,属于早三叠世。区域资料表明,额尔齐斯断裂带经历270~310Ma和240~260Ma两幕剪切变形,阿克塔斯金矿成矿受韧—脆性剪切作用控制,对应260~240Ma剪切变形事件。
英文摘要:
      The Aketas gold deposit is located in the southeastern Irtysh orogenic zone.Based on the 40Ar/39Ar measurement of gold-bearing quartz veins in the deposit, the resultant isochron age is 240.38 Ma±4.89 Ma and inverse isochron age is 240.51 Ma±4.80 Ma. These ages indicate that the gold mineraliztion stage occurred at about 240 Ma, which belongs to lower Triassic period.The regional geological data shows that the Irtysh orogenic zone experienced two stages of deformation during the period of from 270 Ma to 310 Ma and from240 Ma to 260 Ma respectively. The gold deposit is controlled by the ductile and brittle-shearing process, corresponding to the shearing deformation process in the period of from 240 Ma to 260 Ma.
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