摘要
旁开门金银矿位于塔源—兴隆早加里东陆缘活动带的东南端,为深源、远源、中低温火山热液型金银矿床,矿石类型为金(银)—石英—黄铁矿型。通过对矿床地质特征、地球物理特征、地球化学特征、矿石类型、成矿期次、流体包裹体及稳定同位素地球化学特征的研究。初步确定了该矿床的找矿标志为硅化角砾岩,多组构造的交汇处(尤其是SN向构造与NNE、NNW构造交汇处),硅化、黄铁矿化发育,蚀变强烈地段,Au、Ag为主(伴有As、Sb)的土壤地球化学异常,高电阻率异常,低极化率,率低磁异常,成矿温度为中—低温。该标志对于在旁开门一带寻找同类型金银矿具有一定的指导意义。
The Pangkaimen gold and silver deposit is located in simultaneous southeast of early flourishing tower source Jialidong six predestined relationships activities end, be that the low temperature volcano heats up liquid type gold and silver mineral deposit , the ore type is gold （silver） quartz pyrite in the deep source, the distant source, type. By becoming ore scheduled time to the mineral deposit geology characteristic , the earth physics characteristic , geochemistry characteristic , ore type, time, fluid inclusion and stabilizes isotope geochemistry characteristic research. The first step has been ascertained being mineral deposit＇s turn looking for the ore sign to be sillcation breccia, the structural muhiunit relationship converges to get along （especially the north north east , the north north west structure relationship converges to get along） , silication , pyrite-rization growth , eclipse are changed into intense section of an area, Au , Ag give first place to for the middle low temperature （ accompany soil geochemistry having As , Sb） abnormally , high resistivity to become the ore temperature extraordinarily. That sign is with regard to nearby open the door area seeks and type kustelite has certain guiding significance.
出处
《黄金科学技术》
2008年第1期43-47,共5页
Gold Science and Technology
关键词
金银矿
地质特征
找矿标志
旁开门
大兴安岭
Gold and silver deposit
Geological feature
Prospecting Direction
Pangkaimen
Daxing＇anling.
