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中文摘要：
东秦岭钼矿带包涵5个世界级超大型(>5×105tMo)、5个大型((5～10)×104tMo)和一些中小型(<5×104tMo)钼矿床,探明钼金属储量超过5×106t,是世界最大的钼矿带。钼矿带的北、南边界分别是三宝断裂和商丹断裂,两条断裂分别为秦岭造山带的反向边界逆冲断裂(RBT)和主中央滑脱断裂(MCT)。矿床类型有斑岩型、斑岩-夕卡岩型、夕卡岩型和碳酸岩脉型,以前两者为主。含钼岩浆岩主要是富硅、钾而贫铁、镁、钙的花岗斑岩,只有黄龙铺和黄水庵矿床为碳酸岩脉。同位素年龄资料显示,黄龙铺形成于220Ma左右,而其余的与花岗斑岩有关的钼矿床形成于160～110Ma。结合秦岭造山带构造演化分析,认为黄龙铺矿床形成于弧后伸展背景,而其他矿床及其成矿斑岩形成于陆-陆碰撞体制。
英文摘要：
The East Qinling molybdenum belt is probably the largest Mo belt in the world,including five world-class superlarge(>5×105 t Mo),five large((5～10)×104 t Mo)and several medium/small(<5×104 t Mo)deposits,containing >5×106 tonnes of contained Mo metal.The East Qinling Mo belt is situated between the San-Bao fault on the north and the Shang-Dan fault on the south.These two great faults are interpreted to be reverse boundary thrust(RBT)and main central thrust(MCT)of the Qinling orogen,respectively.The mineral sy...
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