| 陕南东沟坝金银矿床金、银赋存状态研究 |
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| 引用本文： | 谢元清.陕南东沟坝金银矿床金、银赋存状态研究[J].陕西地质,1992(2). |
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| 作者姓名： | 谢元清 |
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| 作者单位： | 陕西省地质矿产局汉中地质大队 |
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| 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”。
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| 关 键 词： | 金一银系列矿物 重晶石 方铅矿 赋存状态 东沟坝 |
OCCURRENCE STATES OF GOLD AND SILVER IN THE DONGGOUBA GOLD-SILVER ORE DEPOSIT IN THE SOUTHERN SHAANXI |
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| Xie Yuanqing.OCCURRENCE STATES OF GOLD AND SILVER IN THE DONGGOUBA GOLD-SILVER ORE DEPOSIT IN THE SOUTHERN SHAANXI[J].Geology of Shaanxi,1992(2). |
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| Authors: | Xie Yuanqing |
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| Institution: | The Geological Team No.2 of Shaanxi Bureau of Geology and Mineral Resources |
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| Abstract: | 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. |
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| Keywords: | gold-silver serial minerals barite galena occurrence state Donggouba |
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