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贵州丹寨,三都,都匀地区低温成矿系列的成矿物质来源和分异条件
引用本文:王华云 施继锡. 贵州丹寨,三都,都匀地区低温成矿系列的成矿物质来源和分异条件[J]. 矿物学报, 1997, 17(4): 491-500
作者姓名:王华云 施继锡
作者单位:地质矿产部贵州地勘局科研所!贵阳,550004,中国科学院地球化学研究所!贵阳,550002
基金项目:中国科学院矿床地球化学开放研究实验室资助
摘    要:位于扬子地块西南缘的丹寨、三都、都匀地区有两个主要的矿源层-容矿层-屏闭层组合,它们分别是汞、金和铅锌的生储层序,它们排放的含硫油气则可能是低温热液矿化中硫的来源或主要来源。由于矿源层-容矿层-屏闭层组合的不同,古地热场的水平和垂直梯度,成矿时期和构造环境,成矿溶液的成分和性质的差异使该区出现低温热液矿化的分界现象。

关 键 词:低温热液矿床  成矿系列  矿源  有机质  地球化学分异作用  贵州

SOURCES OF ORE-FORMING MATERIALS AND CONTROLS OVER DEPOSITIONAL DIFFERENTIATION IN THE EPITHERMAL MINERALIZATION SERIES IN THE DANZHAI-SANDU-DUYUN AREA OF GUIZHOU PROVINCE
Wang Huayun ,Shi Jixi.. SOURCES OF ORE-FORMING MATERIALS AND CONTROLS OVER DEPOSITIONAL DIFFERENTIATION IN THE EPITHERMAL MINERALIZATION SERIES IN THE DANZHAI-SANDU-DUYUN AREA OF GUIZHOU PROVINCE[J]. Acta Mineralogica Sinica, 1997, 17(4): 491-500
Authors:Wang Huayun   Shi Jixi.
Affiliation:Wang Huayun ,Shi Jixi1.
Abstract:There are two major assemblages of source-host-cap beds which are found to be an ore generation and ore-hosting sequence for the formation of mercury, gold,zinc and lead deposits in the Danzhai-Sandu-Duyun area of Guizhou, which tectonically belongs to the southwestern part of the Yangtze Craton. These two assemblages may have provided tremendous sulfur for the formation of epithermal sulfide deposits by discharging S-bearing oil and gas. The differential deposition that took place in this area probably is controlled by the proportions of source bed, host bed and cap bed within an assemblage, the difference in horizontal and vertical gradients in the palaeo geothermic field, ore-forming times, structural regime, and the composition of ore-forming solution and its nature in physiochemistry
Keywords:epithermal deposit  mineralization series  source-host-cap bed  organic matter  geochemical differentiation  Guizhou  
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