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鄂东南地区斑岩—矽卡岩型铜铁多金属矿的矿化类型、分布规律及找矿方向 被引量:10

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摘要 鄂东南是长江中下游成矿带最重要铜铁多金属矿集区,相比其他矿集区来说,近年来鄂东南矿集区的成矿规律研究相对较少。结合前人和近年最新资料,厘定鄂东南矿集区的矿化类型和时空分布规律,提出进一步找矿方向。提出鄂东南矿集区主要存在4类型矿化作用:与闪长岩—石英闪长岩有关的矽卡岩型铜铁金矿床、与斑状闪长岩有关的斑岩型金矿床、与花岗闪长斑岩有关的斑岩—矽卡岩型铜钼钨矿床和与石英闪长岩—二长岩—花岗岩矽卡岩型铁矿床。前三类成矿时代为晚侏罗世—早白垩世初,主要发育阳新和铁山岩体;最后一类矿化成矿时代为白垩世中期,主要发育鄂城和金山店岩体,以不含铜或金明显不同于前三种类型矿化。根据区域资料,认为鄂东南矿集区存在很大的找矿潜力,并提出不同类型矿化找矿方向。
出处 《资源环境与工程》 2013年第B12期36-40,46,共6页 Resources Environment & Engineering
基金 国家重点基础研究课题(2012CB416802) 中央级公益性科学院所基本科研业务费(K1203) 中国地质调查局地质调查工作项目(1212011120994)联合资助
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