新疆尼勒克县松湖铁矿床黄铁矿的特征和微量元素地球化学

单强, 张兵, 罗勇, 周昌平, 于学元, 曾乔松, 杨武斌, 牛贺才. 新疆尼勒克县松湖铁矿床黄铁矿的特征和微量元素地球化学[J]. 岩石学报, 2009, 25(6): 1456-1464.
引用本文: 单强, 张兵, 罗勇, 周昌平, 于学元, 曾乔松, 杨武斌, 牛贺才. 新疆尼勒克县松湖铁矿床黄铁矿的特征和微量元素地球化学[J]. 岩石学报, 2009, 25(6): 1456-1464.
SHAN Qiang, ZHANG Bing, LUO Yong, ZHOU ChangPing, YU XueYuan, ZENG QiaoSong, YANG WuBin, NIU HeCai. Characteristics and trace element geochemistry of pyrite from the Songhu iron deposit, Nilek County, Xinjiang, China[J]. Acta Petrologica Sinica, 2009, 25(6): 1456-1464.
Citation: SHAN Qiang, ZHANG Bing, LUO Yong, ZHOU ChangPing, YU XueYuan, ZENG QiaoSong, YANG WuBin, NIU HeCai. Characteristics and trace element geochemistry of pyrite from the Songhu iron deposit, Nilek County, Xinjiang, China[J]. Acta Petrologica Sinica, 2009, 25(6): 1456-1464.

新疆尼勒克县松湖铁矿床黄铁矿的特征和微量元素地球化学

  • 基金项目:

    中国科学院知识创新工程重要方向项目(KZCX2-YW-107)和“十一五”国家科技支撑计划(2006BAB07B02-03)

Characteristics and trace element geochemistry of pyrite from the Songhu iron deposit, Nilek County, Xinjiang, China

  • 松湖铁矿床位于阿吾拉勒地区东部,矿体呈层状产在石炭系阿吾拉勒组火山岩-火山碎屑岩建造中。微量元素地球化学特征显示,松湖铁矿床赋矿围岩形成于岛弧构造环境。松湖铁矿床含有草莓黄铁矿、他形-半自形黄铁矿(含有大量黄铁矿化生物遗骸)和钴黄铁矿三种不同成因的黄铁矿。铁成矿前沉积成因草莓黄铁矿受成矿热液影响发生重结晶,其钴含量及Co/Ni比值明显增大。铁成矿期的他形-半自形黄铁矿和伴生的黄铁矿化生物遗骸具有相对较高的钴含量和Co/Ni比值,显示其成矿流体与火山活动有密切的成因联系,松湖铁矿床后期叠加了铜-钴矿化作用,形成了大量的黄铜矿和钴黄铁矿。钴黄铁矿的钴含量>1%,Co/Ni比值>26,显示该矿床铜、钴的富集过程与后期火山作用有关,该矿床是一个与火山岩有关的沉积型铁矿床,其形成温度为270~325℃。
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出版历程
收稿日期:  2008-12-12
修回日期:  2009-05-10
刊出日期:  2009-06-30

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