DOI:
矿床地质:2008,Vol.>>Issue(5):587-595

云南宝兴厂金矿床地质特征及成因
中国地质大学,中国人民武装警察部队黄金地质研究所,中国人民武装警察部队黄金第十支队,中国人民武装警察部队黄金第三总队,中国人民武装警察部队黄金第十支队
Geological characteristics and genesis of Baoxingchang gold ore district in Yunnan Province
李汉光,郭晓东,王绍明,皮清明,和正中
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中文摘要:文章总结了云南宝兴厂金矿区地质特征,划分了成矿期和成矿阶段,通过对硫、铅、氢氧同位素特征的研究,认为下奥陶统向阳组第四岩性段的碎屑岩为金成矿的矿源层。多期次的构造_岩浆活动,形成了该区多期次、多阶段、多样式、多矿种的矿床组合类型。矿床类型主要有:斑岩型、石英脉型、构造蚀变岩型、红土型等。该金矿的形成在时间、空间上与喜马拉雅期的富碱斑岩密切相关。
Abstract:Located in the north of the Ailaoshan ore_forming belt, the Baoxinchang gold deposit has its unique geotectonic location that has caused complex metallogenic geological conditions and frequent structural and magmatic activities. The formation of the gold deposit is closely related to Himalayan alkali_rich porphyry both in time and in space. This paper has summed up geological characteristics of this area and made a division of the ore_forming phases and stages. S, Pb, H, O isotope characteristics suggest that clastic rock of 4th lithologic member of Lower Ordovician Xiangyang Group seems to be the source bed of gold mineralization. Multiple phases of structural_magmatic activity has resulted in the complexity of deposit assemblage types in this area characterized by multi_phase, multi_stage, diversity and multiple mineral species. Mineral deposits are mainly of porphyry, quartz_veined, tectonically_altered rock and laterite types.
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基金项目:“十一五”国家攻关项目(2006BAB01B10);武警黄金指挥部专项基金(HJ07_02)
引用文本:
李汉光,郭晓东,王绍明,皮清明,和正中.2008.云南宝兴厂金矿床地质特征及成因[J].矿床地质,27(5):587~595
李汉光,郭晓东,王绍明,皮清明,和正中.2008.Geological characteristics and genesis of Baoxingchang gold ore district in Yunnan Province[J].Mineral Deposits27(5):587~595
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