冀东迁西东荒峪铜矿床地质、地球物理和地球化学特征与成矿条件分析  

Geological,Geophysical and Geochemical Characteristics and Metallogenic Conditions of the Donghuangyu Cu-deposit in Qianxi County,Eastern Hebei Province

作　　者：张世斌 潘伟 郑思光[3] 陈超 苏明伟 王丰翔 张福祥 冯贝贝 周永生 孔令玺 孙宇佳 ZHANG Shi-bin;PAN Wei;ZHENG Si-guang;CHEN Chao;SU Ming-wei;WANG Fengxiang;ZHANG Fu-xiang;FENG Bei-bei;ZHOU Yong-sheng;KONG Ling-xi;SUN Yu-jia(Hebei GEO University,Shijiazhuang 050031,China;Hebei Key Laboratory of Strategic Critical Mineral Resources,Shijiazhuang 050031,China;The Second Geological Brigade of Hebei Geology and Mineral Exploration Bureau(Hebei Province Mine Environment Restoration and Treatment Technology Center),Tangshan 063000,China)

机构地区：[1]河北地质大学,河北石家庄050031 [2]河北省战略性关键矿产资源重点实验室,河北石家庄050031 [3]河北省地质矿产勘查开发局第二地质大队(河北省矿山环境修复治理技术中心),河北唐山063000

出　　处：《河北地质大学学报》2023年第4期54-60,共7页Journal of Hebei Geo University

基　　金：河北省地矿局2023年度地质勘查专项预算项目(13000021811CCFE056984);河北地质矿产勘查开发局科研项目(13000022P00329410103R);河北科技厅重点研发项目(22374201D);河北省创新能力提升计划项目(21567628H)。

摘　　要：东荒峪铜矿床位于冀东金、铁多金属矿集区,是一个典型的受断裂构造控制的小型热液脉型铜矿床。铜矿体多以脉型、透镜状产于在前寒武纪黑云母角闪辉石斜长片麻岩之中,受矿区大断裂(F1)及次级断裂控制。矿石呈细脉状、浸染状和团块状产出,在空间上与硅化、碳酸盐化和黄铁矿化密切相关。基于矿床地质特征,通过矿区高精度磁测、可控源音频大地电磁测深和水系沉积物分析,矿区深部的电、磁特征为高磁、中高电阻、高极化,推测为含矿岩体引起综合异常。矿区化探具有Cu-Zn等浓集中心,异常浓度高,异常分带明显,显示了较好的找矿前景。上述综合表明本区铜矿地质条件较好,具有一定的找矿前景。Donghuangyu Cu-deposit is located in Eastern Hebei gold and iron polymetallic ore concentration area.It is a typical small scale hydrothermal vein Cu-deposit controlled by fault structure.The Cu ore-bodies are mostly produced in biotite hornblende plagioclase gneiss,controlled by F1 fault and secondary fault.The ore is produced in fine vein,disseminated and clumpy form,which is closely related to silicification,carbonation and pyrite in space.Based on the geological characteristics of the deposit,through high-precision magnetic survey,controlled source audio magneto telluric sounding and stream sediment analysis,the deep electrical and magnetic characteristics of the mine are high magnetic,medium and high resistance and high polarization,which is speculated to be ore-bearing rock mass causing comprehensive anomalies.The geochemical exploration in the mine area has Cu-Zn concentration center,high anomaly concentration and obvious anomaly zonation,which shows a good prospecting prospect.The above results indicate that the copper deposits in this area have good geological conditions and certain prospecting prospects.

关 键 词：冀东幔枝构造 铜矿床 东荒峪 找矿勘查 成矿条件 

分 类 号：P611[天文地球—矿床学]