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山东海阳小纪金矿床地质特征及成因探讨

Ming-bo GAO, Guang-hai ZHOU,Dong-ye FU,Shou-ping QIN,Shu-lin QI

LAND AND RESOURCES IN SHANDONG PROVINCE（2005）

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Abstract
海阳小纪金矿赋存于早白垩世莱阳群水南组中.矿体多为扁豆体状,矿石矿物成分简单,金矿物以自然金为主,其他金属矿物以赤铁矿、黄铜矿为主.通过分析成矿控制条件认为:莱阳群分布区是寻找该类型金矿的地层标志;NE-NNE向断裂带中,硅化、黄铁矿化、黄铜矿化等蚀变特征是寻找金矿(化)体的围岩蚀变标志;中生代岩体及燕山晚期脉岩发育是寻找该类金矿的岩浆岩标志.其矿床成因属多源多期低温热液充填型金矿床.
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Key words
xiaoji gold deposit,shandong province,haiyang city,geological characteristics
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