摘要
河南小秦岭地区广泛发育含金石英脉型金矿床，主要工业矿脉依产状分为近东西向南倾及近南北向东倾两组，脉内工业矿体构造定位规律明显。研究表明，近东西向矿脉内工业矿体平面上主要产于控矿断裂走向东西方向段，剖面上产于断裂倾角较缓部位，在三维空间范围内工业矿体总体具向东侧伏展布规律；而近南北向矿脉内工业矿体主要受断裂走向变化影响，平面上多产于断裂带南北走向段，且在三维空间范围无明显侧伏现象。文章最后结合控矿断裂产状、空间形态变化及成矿期断裂运动方式特征等对矿脉内工业矿体规律性构造就位机制进行了分析。
Quartz vein type Au deposits are widespread in Xiao Qinling district,Henan Province.The ore veins are classified by their attitudes into two groups.one strike nearly E-W and dip to south;the other,nearly S-N and to east.Structural location of all the ore bodies is very clear.In the nearly E-W ore veins ore bodies occur where the ore-controling fault strikes E-W straightly on plane and dips gently in profile and they pitch generally to east.In the nearly S-N veins they occur where the ore-contrling foult strikes S-N straightly on plane without pitching.Location mechanism of ore bodies is analysed on basis of occurrence,spatial variation and synmineralization movtment of the ore-controling fault.
出处
《地质找矿论丛》
CAS
CSCD
1999年第1期30-38,共9页
Contributions to Geology and Mineral Resources Research
关键词
金矿床
工业矿体
构造定位规律
石英脉型矿床
Quartz vein type Au deposit,economic ore body,ore location regularity,Xiao Qinling Au ore belt,Henan Province.
