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白云鄂博REE—Fe—Nb矿床酸岩墙锆石U—Pb年龄及其地质意义

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范宏瑞,陈福坤,王凯怡,谢奕汉,Simon W ILDE,Muharrem SATIR. 白云鄂博REE—Fe—Nb矿床酸岩墙锆石U—Pb年龄及其地质意义[J]. 岩石学报, 2002, 18(3): 363-368.
引用本文: 范宏瑞,陈福坤,王凯怡,谢奕汉,Simon W ILDE,Muharrem SATIR. 白云鄂博REE—Fe—Nb矿床酸岩墙锆石U—Pb年龄及其地质意义[J]. 岩石学报, 2002, 18(3): 363-368.
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Zircon U-Pb age of a carbonatite dyke from Bayan Obo REE-Fe-Nb deposit, Inner Mongolia and its geological significance.[J]. Acta Petrologica Sinica, 2002, 18(3): 363-368.
Citation: Zircon U-Pb age of a carbonatite dyke from Bayan Obo REE-Fe-Nb deposit, Inner Mongolia and its geological significance.[J]. Acta Petrologica Sinica, 2002, 18(3): 363-368.
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白云鄂博REE—Fe—Nb矿床酸岩墙锆石U—Pb年龄及其地质意义

    • 中国科学院地质与地球物理研究所矿产资源研究重点实验室，中国科学院地质与地球物理研究所矿产资源研究重点实验室，中国科学院地质与地球物理研究所矿产资源研究重点实验室，中国科学院地质与地球物理研究所矿产资源研究重点实验室，澳大利亚柯廷技术大学应用地质系，德国蒂宾根大学矿物岩石地球化学研究所 100029北京，100029北京，德国蒂宾根大学矿物岩石地球化学研究所，72074蒂宾根，德国，100029北京，100029北京，珀斯，澳大利亚，72074蒂宾根，德国

  • 基金项目:

    国家自然科学基金项目 (编号 :49972 0 3 6)，国家重点基础研究项目 (编号 :G19990 75 5 0 2 )资助

Zircon U-Pb age of a carbonatite dyke from Bayan Obo REE-Fe-Nb deposit, Inner Mongolia and its geological significance.

    摘要
  • 对白云鄂博稀土 -铁 -铌矿矿区一火成碳酸岩内锆石 U - Pb年龄进行了测定 ,五颗锆石测定数据点拟合直线与谐合线的上交点年龄为 2 0 70± 33Ma,表明白云鄂博矿区火成碳酸岩脉的侵入时代最早可以追溯到早元古代 ,该年龄与矿区内正长岩和英云闪长岩锆石年龄等接近 ,构成了形成于裂谷环境的白云鄂博早元古代碱性岩 -碳酸岩杂岩体
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修回日期:  2002-05-12
刊出日期:  2002-08-31

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