烃气组分研究与隐伏矿预测——以箭猪坡矿区为例  

A Study on the Hydrocarbon Gas Composition of Metal Deposits for the Prediction of Hidden Orebodies--Taking the Jianzhupo Deposit as an Example

作　　者：陈青云 黄长帅 徐文杰 刘耀辉 李雪龙 陶明荣 CHEN Qing-yun;HUANG Chang-shuai;XU Wen-jie;LIU Yao-hui;LI Xue-long;TAO Ming-rong(China Nonferrous Meta(Guilin)Geology And Mining Co.,LTD,Guilin Guangxi 541004,China)

机构地区：[1]中国有色桂林矿产地质研究院有限公司,广西桂林541004

出　　处：《世界有色金属》2024年第10期83-86,共4页World Nonferrous Metals

基　　金：广西自然资源厅项目“广西河池市五圩矿田找矿潜力评价”、中色桂林院基金项目“烃类气体找矿技术研究及对深部隐伏矿体预测”(KDYCXJJ2020009)联合资助。

摘　　要：烃气具有扩散速度快、运移距离远、携带信息量大等特点,较常规化探方法优势明显。通过五圩矿田箭猪坡矿体与围岩、矿床外围南北边两条化探剖面土壤样品采集与测试分析,研究矿体、围岩烃气组分特征,认为箭猪坡矿床成因与岩浆热液密切相关;对比土壤烃气异常点与不同地质体、土壤烃气背景值的烃气组分标准化曲线特征,筛选与成矿热液密切相关的烃气异常,认为矿床南北两侧的I、II、III号有利勘查区内烃气异常与岩浆热液密切相关,推测形成三排洞、水落、箭猪坡的成矿热液在该区内亦有活动,存在伏矿体,已有钻孔于II号有利区内钻遇厚5cm含闪锌矿包及黄铜矿的石英脉,IV号有利勘查区内烃气异常与变质热液相关,且已发现有汞矿点,推测有隐伏矿体存在。Hydrocarbon gas has the characteristics of fast diffusion speed,long migration distance,and large information carrying capacity,making it more advantageous than conventional geochemical exploration methods.Based on the collection and test analysis of soil samples from the Jianzhupo ore body and wall rock,and soil samples from two geochemical profiles in the south and north of the deposit periphery.The hydrocarbon gas composition characteristics of the ore body and wall rock are studied.It is believed that the genesis of Jianzhupo Ore genesis is related to magmatic rocks.Compare the normalization curve characteristics of soil hydrocarbon gas anomalies with different geological bodies and soil hydrocarbon gas background values,and screen for hydrocarbon gas anomalies closely related to mineralization hydrothermal fluids.It is believed that the hydrocarbon gas anomaly in the favorable exploration areas I,II and III on the north and south sides of the deposit is closely related to the magmatic hydrothermal solution.It is speculated that the metallogenic hydrothermal solution that forms the Sanpaidong,Shuiluo and Jianzhupo also has activities in this area,and there is an underlying ore body.There are 5 cm thick quartz veins containing Sphalerite and Chalcopyrite drilled in the favorable exploration area II.The hydrocarbon gas anomaly in the favorable exploration area IV is related to the metamorphic hydrothermal solution,and mercury ore points have been found,It is speculated that there are hidden ore bodies present.

关 键 词：烃气组分 隐伏矿床 箭猪坡 五圩矿田 

分 类 号：TE357.7[石油与天然气工程—油气田开发工程]