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丰宁县吴家营银多金属矿地质特征及找矿前景分析

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丰宁满族自治县(简称丰宁县)吴家营银多金属矿位于华北地台北缘内蒙古地轴中段,区域断裂构造活动和燕山期岩浆热液活动频繁,成型的银铅锌矿分布众多.矿区共圈出 7 条蚀变矿化体及 7 条Cu、Pb、Ag多金属矿体,矿体主要呈脉状集中分布于斑状二长花岗岩中,多为西北向平行展布矿体.矿床成因类型为与燕山晚期中酸性侵入岩有关的受构造控制的中低温热液矿床.以丰宁县吴家营银多金属矿为例,结合区域地质背景和矿床地质特征,分析矿床成因,从而指导后续找矿工作.研究认为,研究区深部可能存在大脉状矿体,具有一定的找矿前景.
Analysis on Geological Characteristics and Prospecting Prospects of Wujiaying Silver Polymetallic Deposit in Fengning County
The Wujiaying silver polymetallic deposit in Fengning manchu autonomous county(referred to as Fengning county)is located in the middle section of the Inner Mongolia axis on the northern edge of the North China platform,and the regional fault tectonic activity and Yanshanian magmatic hydrothermal activity are frequent,and the formed silver-lead-zinc deposits are widely distributed.A total of 7 altered mineralization bodies and 7 Cu,Pb,Ag polymetallic ore bodies have been delineated in the mining area,and the ore bodies are mainly distributed in a vein like manner in the porphyry diorite,mostly parallel to the northwest.The genetic type of the deposit is a tectonic controlled medium to low temperature hydrothermal deposit related to the late Yanshan intermediate acidic intrusive rocks.Taking the Wujiaying silver polymetallic deposit in Fengning county as an example,combined with the regional geological background and geological characteristics of the deposit,the genesis of the deposit is analyzed,in order to guide subsequent exploration work.Research suggests that there may be large vein like ore bodies in the deep part of the study area,which has certain prospecting prospects.

silver polymetallic depositgeological characteristicsprospecting prospectsFengning county

王倩、刘仕刚、董帅

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天津华北地质勘查总院有限公司,天津 300170

银多金属矿 地质特征 找矿前景 丰宁县

2024

中国资源综合利用
徐州北矿金属循环利用研究所 中国物资再生协会

中国资源综合利用

CHSSCD
影响因子:0.358
ISSN:1008-9500
年,卷(期):2024.42(5)