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天峨县巴利金矿地球化学特征及其找矿标志

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广西天峨县巴利金矿位于右江褶皱系百色凹陷东部与靖西—都阳山凸起交汇部位,为典型桂西微细粒浸染型金矿床.通过地质、化探手段,探寻本区金矿赋存位置,经地表工程揭露,发现金矿赋存于中三叠系百缝组地层中,空间位置存在于F1断裂带内及F2、F3断裂带夹持区,且地球化学特征显示Au、Ag、As元素分布受断裂带控制明显,同时元素异常具有分段集中性和方向性,通过类比桂西典微细粒浸染型金牙金矿成矿特征及矿体空间分布规律,推断本区金矿化体应赋存于F1断裂带深部或向东南方向侧伏,为本区今后金矿找矿提供指示方向.
Geochemical characteristics and prospecting indicators of Bali gold deposit in Tiane County
The Bali gold deposit in Tian'e County,Guangxi is located at the intersection of the eastern Baise depression of the Youjiang fold system and the Jingxi Duyangshan uplift.It is a typical fine-grained disseminated gold deposit in western Guangxi.Through geological and geochemical exploration methods,the location of gold deposits in this area was explored.After surface engineering exposure,it was found that gold deposits exist in the Baifeng Formation of the Middle Triassic,with spatial locations within the F1 fault zone and the F2 and F3 fault zones.The geochemical characteristics show that the distribution of Au,Ag,and As elements is significantly controlled by the fault zone,and element anomalies have segmented concentration and directionality,by analogy with the ore-forming characteristics and spatial distribution of fine-grained disseminated gold deposits in the Guixi Dian area,it is inferred that the gold mineralization bodies in this area should occur in the deep part of the F1 fault zone or be flanked towards the southeast direction,providing an indicator direction for future gold exploration in this area.

gold mineGeochemical anomaliesDeep hydrothermal fluidsDirectionality

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广西壮族自治区三一〇核地质大队,广西 桂林 541213

金矿 化探异常 深部热液 方向性

2024

世界有色金属
有色金属技术经济研究院

世界有色金属

影响因子:0.138
ISSN:1002-5065
年,卷(期):2024.(1)
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