摘要
在东沟坝金银矿床中,Au、Ag 元素赋存状态新颖而引人注目,其主要特征有四:其一,Au、Ag 均以独立矿物的形式产出;其二,Au、Ag 元素以类质同象互换构成完整的金—银系列矿物;其三,Au、Ag 赋存形式以晶隙金最多、裂隙金次之、包体金居三,未发现晶格金;其四,金、银矿物粒度大、形态复杂,产于重晶石—方铅矿建造中。从而构成类型独特的“重晶石(脉)型金银矿床”。
In the Donggouba gold-silver ore deposit,four characteristics of occur- rence states of gold and silver elements have been concluded.Firstly,gold and silver occurred in individual mineral.Secondly,isomorphous replace- ment of gold and silver constituted a completed gold-silver serial minerals. Thirdly,the most abundant gold and sliver occurred in crystal intersties, secondary in fissures,third in enclosures and no gold has been found in cry- stal lattices.Fourthly,gold and silver of giant granularity and complica- ted forms occurred in the barite-galena formation.The ore deposit is a special type of barite(vein)-type gold-silver ore deposit.
出处
《陕西地质》
1992年第2X期13-22,共10页
Geology of Shaanxi
