云南北衙超大型金矿床控矿因素的重磁解释及探讨  

Interpretation of gravity and magnetic data of ore-controlling factors for Beiya super-large sized gold deposit,Yunnan

作　　者：张小兵 刘永红[2] 李文辉[2] 陈子万 张有荣 王鹏[3] 

机构地区：[1]云南省地质调查院,昆明650216 [2]云南省国土资源规划设计研究院,昆明650216 [3]成都地质矿产研究所,成都610081

出　　处：《矿产勘查》2017年第3期417-425,共9页Mineral Exploration

基　　金：中国地质调查局项目(编号:1212011220249)资助

摘　　要：北衙超大型金矿床属与喜马拉雅期正长斑岩有关的复合成因矿床,通过对北衙地区的地层、构造、岩浆岩的重磁解释及综合研究,对该矿床特殊的成矿环境进行了分析和探讨,认为其形成主要受岩体、构造、地层、古盆地4个因素控制,并预测红泥塘、炉坪村、金井山一带有较好的找矿远景。The super-large sized Beiya gold deposit belongs to complex deposit related to Himalayan period syenite porphyry. Based on the interpretation of magnetic and gravity data and integrated geological study on strata, structure and magmatic rocks, the metallogenie environment of Beiya gold deposit was analyzed and discussed, it was concluded that the formation of Beiya gold deposit was mainly controlled by magmatic rocks, tructure, starta, sendimentary basin factors.Finally it ws predicated that there is great potential for gold prospecting in target areas of Hongnitang, Lupingcun and Jinjingshan.

关 键 词：北衙金矿 重磁异常 磁性界面 控矿因素 

分 类 号：P318.4[天文地球—固体地球物理学] P618.51[天文地球—地球物理学]