河北坝营石英脉型金矿床地质特征及找矿标志
收稿日期: 2015-02-03
修回日期: 2015-04-11
网络出版日期: 2015-11-16
基金资助
河北省科技支撑计划重点项目“中亚成矿带东段大型—超大型矿床成矿与找矿研究”(编号:12276709D)与河北省科技支撑计划项目“加权特征分析在多金属找矿预测中的应用研究”(编号:11277106D)联合资助
Geological Characteristics and Prospecting Criteria of Baying Quartz Vein Type Gold Deposit in Hebei Province
Received date: 2015-02-03
Revised date: 2015-04-11
Online published: 2015-11-16
李伟男 , 黄江涛 , 王立考 , 李英杰 , 王金芳 , 董培培 . 河北坝营石英脉型金矿床地质特征及找矿标志[J]. 黄金科学技术, 2015 , 23(3) : 7 -11 . DOI: 10.11872/j.issn.1005-2518.2015.03.007
Baying quartz vein type gold deposit is located in the Fengshan area of Fengning,Hebei Province,which is the eastern part of Zhangjiakou-Fengning-Chengde gold metallogenic belt.The quartz vein type gold deposit occurs in the gold-bearing quartz veins of NWW fractured shatter zones.The ore bearing strata is Dantanzi group,Archean.The deposit consists of 13 known gold orebodies,in which I, III,VI orebodies are scale while others are small and lean.The shape and occurrence of orebodies are strictly controlled by fractured shatter zones and gold-bearing quartz veins.The orebodies occur as veins,long lens and podiform,which strike NWW.The wall rock of deposit is intensively altered,showed low to moderate temperature hydrothermal alteration,which is mainly manifested as silicification,sericitization,pyritization,chloritization and carbonatization.Gold mineralization is mainly developed in the quartz-polymetal sulphide stage.The gold deposit has obvious geological,geophysical prospecting criteria,including fracture structure,gold-bearing quartz vein,the mineralization and alteration,linear magnetic anomaly and linear polarization anomalous,etc.Through analyzing the geological characteristics,and geology,geophysical prospecting criteria of the quartz vein type gold deposit,this paper points out that it has the prospecting potential for medium quartz vein type gold deposit in this area.
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