黄金科学技术 ›› 2023, Vol. 31 ›› Issue (3): 423-432.doi: 10.11872/j.issn.1005-2518.2023.03.128
崔文玮1(),晁会霞1(),何虎军1,杨兴科1,杨俊杰1,朱昊磊1,吴旭2
Wenwei CUI1(),Huixia CHAO1(),Hujun HE1,Xingke YANG1,Junjie YANG1,Haolei ZHU1,Xu WU2
摘要:
海南富文金矿床位于华南褶皱系五指山褶皱带北缘,主要出露早白垩世鹿母湾组(K1l)含砾碎屑沉积岩。金矿体呈脉状和似层状赋存于鹿母湾组砂岩层间破碎带中。为进一步探讨富文金矿的成矿物质来源,对石英脉型矿石、赋矿围岩鹿母湾组碎屑沉积岩及岩浆岩进行主量、微量和稀土元素测试分析。结果显示:矿石与围岩地层、岩浆岩具有相似的微量元素变化趋势以及相似的稀土配分模式,预示着成矿与地层、岩浆岩关系密切。早白垩世石英闪长岩、细粒花岗岩和碎屑沉积岩均为矿体的形成提供了成矿物质,矿床类型为岩浆热液型金矿。
中图分类号:
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