摘要
三道湾子金矿是与大兴安岭燕山期火山活动有关的浅成中-低温热液金矿,矿石类型主要为石英脉型。矿石的结构为自形-半自形-它形粒状结构、碎裂结构、交代结构、包含结构。矿石的构造为致密块状构造、稀疏浸染状构造、角砾状构造、细脉状构造。矿体浅部金矿物以自然金、银金矿为主,呈裂隙金、粒间金、包裹金分布,金矿物以细粒为主,载金矿物主要为石英;深部富矿段金、银主要以碲化物形式存在,赋存于石英颗粒间或裂隙中。反映了成矿流体的阶段性及层次性。
The Sandaowanzi gold deposit is a mesothermal -epithermal volcanogenic gold deposit which located in the DaHinggan Mountain metallo- genie belt of Yanshanian epoch. Mineralization is mostly hosted within quartz veins. The ore textures include automorphic - hypautomorphic - xenomor- phic granular, cataclastic, metasomatic and poikilitic. The ore structures mainly show massive, disseminate, breeeiated and veinlet. At shallow depth the gold occurs as fine grained native gold and electrum, and distributes in fissures, intergranular or as inclusions. Main. At deep part the gold and silver appear as gold - bearing tellurides in fissures or intergranular. It shows that the ore - forming fluids are different during different formation phases and different levels.
出处
《地质与勘探》
CAS
CSCD
北大核心
2009年第4期395-401,共7页
Geology and Exploration
基金
国家矿产资源补偿项目(2001-2007)
黑龙江矿产资源补偿费项目(编号:SD2002-29)资助
中国地质大学地质过程与矿产资源国家重点实验室资助
关键词
三道湾子
石英脉型金矿
碲金矿
赋存状态
gold deposit, quartz vein type, gold occurrence state, Sandaowanzi
