Havlíčkobrod矿区Utín的富Au银硫化物矿化（捷克共和国）

Q3 Earth and Planetary Sciences

Bulletin Mineralogie Petrologie Pub Date : 2023-01-01 DOI:10.46861/bmp.31.025

P. Pauliš, Stanislav Kopecký, Z. Dolníček, J. Sejkora

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引用次数: 0

摘要

在Havlíčkův Brod矿区(捷克共和国波希米亚-摩拉维亚高地)东南部Utín附近的中世纪采矿矿体遗迹中发现了硫化物矿化。以黄铁矿、富铁闪锌矿、黄铜矿、毒砂、方铅矿(化学成分与该矿区其他赋存状态相对应)为代表，另有较为稀有的詹姆斯辉石、粉辉石。主要的Ag矿石可能为富Ag的四面体族成员- kenoargentotetrahedrite-(Fe)，经验式为(Ag5.45Cu4.48)Σ9.93(Fe1.75Zn0.32Mn0.01)Σ2.08Sb4.00S12.05。在该组合中发现的另一种有趣的矿物是富金银，其Au含量在53.35 - 56.40 wt. %之间，平均实验式Ag0.60Au0.39。在罕见的表生矿化中检出了舒尔辉石、药黄石组矿物和不均匀的砷铁酸盐。

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Sulfidická mineralizace s Au-bohatým stříbrem z Utína v havlíčkobrodském rudním revíru (Česká republika)

Sulphide mineralization was found in relics of mine dumps from medieval mining near Utín, at SE part of the Havlíčkův Brod ore district (Bohemian-Moravian Highlands, Czech Republic). It is represented by pyrite, Fe-rich sphalerite, chalcopyrite, arsenopyrite, galena (with chemical compositions corresponding to other occurrences of this ore district) and more rare jamesonite and boulangerite. The main Ag ore was probably Ag-rich member of tetrahedrite group - kenoargentotetrahedrite-(Fe) with empirical formula (Ag5.45Cu4.48)Σ9.93(Fe1.75Zn0.32Mn0.01)Σ2.08Sb4.00S12.05. Another interesting mineral found in this association is Au-rich silver with Au contents in the range 53.35 - 56.40 wt. % and average empirical formula Ag0.60Au0.39. Schultenite, minerals of the pharmacosiderite group and inhomogeneous Fe-arsenates were detected from the rarely represented supergene mineralization.

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来源期刊

Bulletin Mineralogie Petrologie Earth and Planetary Sciences-Economic Geology

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期刊介绍： Bulletin Mineralogie Petrologie is a peer-reviewed journal focused especially on: mineralogy, crystal chemistry and study of crystal structures of minerals study of mineral associations and processes of their origin meteoritics, research of tectites economic geology (of ore deposits) and study of history of mining of ore deposits topographic mineralogy petrology of igneous, metamorphic and sedimentary rocks instrumental analytical methods at mineralogy and petrology mineralogy and petrology as tools for archeology and similar disciplines