某地金矿床褪色蚀变与金矿化的关系探讨  

Discussion on the Relationship between Ore Deposit Fading&Alteration and Gold Mineralization

作　　者：党新锋 刘芳 窦鹏 DANG Xinfeng;LIU Fang;DOU Peng(Shannxi Fengxian Sifang Gold Mine Co.,Ltd.,Fengxian,Shannxi 721705,China)

机构地区：[1]陕西凤县四方金矿有限责任公司,陕西凤县721705

出　　处：《云南冶金》2024年第4期8-12,共5页Yunnan Metallurgy

摘　　要：八卦庙金矿床是西秦岭泥盆系地层中探明的大型金矿床。受多期次区域构造及热液蚀变作用,矿区内围岩蚀变广泛发育,褪色蚀变为矿区内较为普遍发育的一类蚀变,金矿化往往伴随围岩褪色蚀变出现,二者在空间关系上较为密切,且具共同的成因机制,蚀变带在不同的含矿部位往往呈现出不同的形态,并具有独特宏观外貌,颜色一般呈区别于原岩的浅灰色或浅黄色,矿区内金矿化均赋存于褪色带中。Baguamiao gold deposit is a large proven gold deposit in the Devonian strata of west Qinling,it is affected by multi-stage sub-regional tectonics and hydrothermal alteration,the alteration of the surrounding rock in the mining area is widely developed,and fading and alteration is a common alteration inside mining area,gold mineralization often accompanies with surrounding rock fading and alteration,they have an intimate relationship in a spatial relationship,and it has the same genesis mechanisms,alteration zone show the different form in different mineral-bearing sector,it has the special unique macro appearance,it always indicates light gray or light yellow,it is different from the original rock,the gold mineralization inside the mining lot,exists in fading zone.

关 键 词：八卦庙 金矿床 褪色蚀变 金矿化关系 

分 类 号：TD263[矿业工程—矿井建设]