Mineralogy and in situ S and Pb isotope characteristics of ore minerals from polymetallic mineralization in the Gierczyn-Przecznica area, SW Poland

IF 0.9 4区 地球科学 Q3 GEOLOGY
Krzysztof Foltyn, Gabriela Anna Kozub-Budzyń, Yann Lahaye, Adam Piestrzyński, Paulina Skirak, Władysław Zygo, Jadwiga Pieczonka
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引用次数: 0

Abstract

Chlorite-mica-quartz schist in the Gierczyn-Przecznica area in SW Poland contains polymetallic ores which were the source of tin and cobalt in the past. This mineralogical study revealed the presence of silver-bearing minerals including members of the tetrahedrite (Ag <3 apfu) and freibergite series (3 < Ag < 8 apfu), galena (0.26–1.48 wt.% Ag), and a phase with the chemical composition of Te-rich canfieldite Ag8Sn(S,Te)6. In Przecznica Sn-sulphides are represented by stannite while cobaltite is the most abundant host for cobalt, followed by Co-bearing arsenopyrite. Glaucodot, ullmannite and members of the löllingite-rammelsbergite solid-solution series (Fe,Ni,Co)As2 also contain cobalt but are scarce in the samples. An exposure in the “Psi Grzbiet” area is characterized by the presence of Ag, Ni, Sb and Te minerals accompanied by very small amounts of As-bearing phases (represented by arsenopyrite) while the mineralogical composition in the Przecznica area is characterized by an abundance of As phases and a lack of Sb minerals. Sulphur isotopes of sulphides from Przecznica are heavier than in most deposits related to the Karkonosze Granite intrusion, while their Pb isotope signature in galena suggests an Early Paleozoic pre-Variscan affinity rather than a Variscan one.

波兰西南部gierczen - przecznica地区多金属矿化矿石矿物学及原位S、Pb同位素特征
波兰西南部gierc琴- przecznica地区绿泥石-云母-石英片岩中含有多金属矿,过去是锡和钴的来源。该矿物学研究表明,含银矿物的存在,包括四面体(Ag <3 apfu)和freiberite系列(3 <Ag) & lt;8 apfu)、方铅矿(0.26-1.48 wt.% Ag)和化学成分为富Te的火成岩Ag8Sn(S,Te)6的相。在普热兹尼察,锡铁矿是锡硫化物的代表,钴矿是钴最丰富的寄主,其次是含钴毒砂。绿晶石、乌曼锰矿和löllingite-rammelsbergite固溶体系列(Fe,Ni,Co)As2的成员也含有钴,但在样品中是稀缺的。“Psi Grzbiet”地区暴露的特征是存在Ag, Ni, Sb和Te矿物,并伴有少量含砷相(以毒砂为代表),而Przecznica地区的矿物组成特征是丰富的As相和缺乏Sb矿物。Przecznica硫化物的硫同位素比大多数与Karkonosze花岗岩体有关的矿床重,而方铅矿的Pb同位素特征表明其具有早古生代前Variscan的亲和性,而不是Variscan的亲和性。
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来源期刊
Geological Quarterly
Geological Quarterly 地学-地质学
CiteScore
2.20
自引率
0.00%
发文量
19
审稿时长
>12 weeks
期刊介绍: The policy of the Geological Quarterly is to publish significant contributions of information and geological insight relevant to an international readership. The journal has been issued since 1957 at the Polish Geological Institute - National Research Institute and, at present, is the leading Earth sciences journal in Poland. All aspects of Earth and related sciences, and universal and broad regional rather than locally oriented topics are covered. The journal is intended to be an international forum for the exchange of information and ideas, particularly on important geological topics of Central Europe.
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