<abstract xmlns="http://www.w3.org/1999/xhtml">The Miedzianka mining district has been known for ages as a site of polymetallic ore deposits with copper and, later, uranium as the main commodities. Although recently uneconomic and hardly accessible, the Miedzianka ores attract Earth scientists due to the interesting and still controversial details of their ore structure, mineralogy and origin. Our examination of the ore mineralization from the Miedzianka district was based exclusively on samples collected from old mining dumps located in the vicinity of Miedzianka and Ciechanowice, and on samples from the only available outcrop in Przybkowice. In samples from the Miedzianka field, chalcopyrite, pyrite, galena, bornite, chalcocite, digenite, arsenopyrite, magnetite, sphalerite, tetrahedrite-tennantite, bornite, hematite, martite, pyrrhotite, ilmenite, cassiterite and covellite are hosted in quartz-mica schists and in coarse-grained quartz with chlorite. In the Ciechanowice field, the ore mineralization occurs mainly in strongly chloritized amphibolites occasionally intergrown with quartz and, rarely, with carbonates. Other host-rocks are quartz-chlorite schist and quartzites. Microscopic examination revealed the presence of chalcopyrite, pyrite, sphalerite, galena, tetrahedrite-tennantite, bismuthinite, native Bi, arsenopyrite, löllingite, cassiterite, cobaltite, gersdorffite, chalcocite, cassiterite, bornite, covellite, marcasite and pyrrhotite. Moreover, mawsonite and wittichenite were identified for the first time in the district. In barite veins cross-cutting the greenstones and greenschists in Przybkowice, we found previously-known chalcopyrite, chalcocite and galena. The composition of the hydrothermal fluids is suggested to evolved through a series of consecutive systems characterized, in turn, by Ti-Fe-Sn, Fe- As-S, Fe-Co-As-S, Cu-Zn-S and, finally, Cu-Pb-Sb-As-Bi compositions.</abstract>

AGH-University of Science and Technology, Faculty of Geology, Geophysics and Environment Protection, al. Mickiewicza 30, 30-059 Kraków, Poland

University of Wrocław, Institute of Geological Sciences, Pl. M. Borna 9, 50-204 Wrocław, Poland

Ore mineralization in the Miedzianka area (Karkonosze-Izera Massif, the Sudetes, Poland): new information

<abstract xmlns="http://www.w3.org/1999/xhtml">The purpose of this study is to determine the role of metamorphism and thereby identify the preserved magmatic signature in metavolcanics from Wedel Jarlsberg Land in southwestern Svalbard. Samples have been collected from late Precambrian metavolcanics occurring within metasedimentary rocks of the Sofiebogen Group, as well as dikes cutting older metasedimentary rocks of the Deilegga Group. The volcanic rocks were metamorphosed under greenschist facies conditions during the Caledonian Orogeny. To investigate the role of metamorphism, we present petrography, major and trace element geochemistry, and use factor analysis as a tool to identify correlations that correspond to primary magmatic signals.The metavolcanics are classified as subalkaline basalt to basaltic andesite and they contain relicts of primary clinopyroxene and plagioclase. The metamorphic minerals are actinolite, secondary plagioclase, chlorite and minerals belonging to the epidote group. Major element variations are highly scattered with no obvious trends observed. The HFSE and REE show strong trends attributed to fractional crystallization. The LILE, Th and La show elevated contents in some samples.Factor analysis shows that the HFSE and REE are well correlated. The LILE form a separate well correlated group, while the major elements are not correlated, except for Na2O, Fe2O3 and CaO. The lack of correlation for major elements, as well as the lack of observed fractional crystallization trends between these elements suggests that they were modified by metamorphism. The strong correlation of HFSE and REE reflects the original geochemical signal generated by magmatic processes. The correlation of the LILE is consistent with their elevated composition implying the influence of crustal contamination processes, and though some variability is likely superimposed due to metamorphism, the primary magmatic record is not completely destroyed. We conclude that the HFSE and REE are not influenced by metamorphic processes and therefore provide robust records of magmatic processes.</abstract>

AGH – University of Science and Technology, al. Mickiewicza 30, PL-30-059 Krakow, Poland

CEMPEG, Dept. Earth Sciences, Uppsala University, Villavägen 16, SE-752 36 Uppsala, Sweden

Institute of Geological Sciences, Polish Academy of Sciences, Research Centre in Kraków, Senacka St. 1, PL-31002 Kraków, Poland

Preservation of magmatic signals in metavolcanics from Wedel Jarlsberg Land, SW Svalbard

<abstract xmlns="http://www.w3.org/1999/xhtml">In one small mineral vein in core from borehole 144-Ż in the Żarki-Kotowice area, almost all of the ore minerals known from related deposits in the vicinity occur. Some of the minerals in the vein described in this paper, namely, nickeline, hessite, native silver and minerals of the cobaltite-gersdorffite group, have not previously been reported from elsewhere in the Kraków-Lubliniec tectonic zone. The identified minerals are chalcopyrite, pyrite, marcasite, sphalerite, Co-rich pyrite, tennantite, tetrahedrite, bornite, galena, magnetite, hematite, cassiterite, pyrrhotite, wolframite (ferberite), scheelite, molybdenite, nickeline, minerals of the cobaltitegersdorffite group, carrollite, hessite and native silver. Moreover, native bismuth, bismuthinite, a Cu- and Ag-rich sulfosalt of Bi (cuprobismutite) and Ni-rich pyrite also occur in the vein. We suggest that, the ore mineralization from the borehole probably reflects post-magmatic hydrothermal activity related to an unseen granitic intrusion located under the Mesozoic sediments in the Żarki-Pilica area.</abstract>

University of Silesia, Faculty of Earth Sciences, ul. Będzińska 60, 41-200 Sosnowiec, Poland

Polish Geological Institute - Research and Development Unit, Upper Silesian Branch, ul. Królowej Jadwigi 1, 41-200 Sosnowiec, Poland

Polymetallic mineralization in Ediacaran sediments in the Żarki-Kotowice area, Poland

<abstract xmlns="http://www.w3.org/1999/xhtml">Preliminary sulphur isotope data are presented for selected ore deposits and occurrences in the Karkonosze-Izera Massif, namely, polymetallic mineralization sites at Budniki, Ciechanowice, Izerskie Garby and Sowia Dolina, and the pyrite deposit at Wieściszowice. The data reveal two populations of δ34S values: from 2.74 to 3.95‰ (pyrrhotites and pyrites in Sowia Dolina, and some pyrites in Wieściszowice) and from 0.79 to 1.8‰ (pyrites in Budniki, Ciechanowice and Izerskie Garby, and some pyrites from Wieściszowice). All of the data are indicative of endogenic sulphur typical of hydrothermal mineralization despite the genetic differences between the sites.</abstract>

University of Wrocław, Faculty of Earth Sciences and Environmental Management, Institute of Geological Sciences, ul. Cybulskiego 30, 50-205 Wrocław, Poland

Preliminary results of sulphur isotope studies on sulfides from selected ore deposits and occurrences in the Karkonosze–Izera Massif (the Sudety Mts., Poland)

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Mineralogia

 Mineralogia (ISSN: 1899-8291, e-ISSN: 1899-8526), a free open access journal, publishes original research and review papers from broad fields of geochemistry, mineralogy, petrology, technical, experimental and applied mineralogy, and environmental sciences. Mineralogia (formerly Mineralogia Polonica) is an English language journal with 50 years long tradition. The journal’s subtitle, Geochemical, Mineralogical and Petrological Research, indicates the open character of the journal. The regular series Mineralogia is accompanied by the irregular series, including Mineralogia - Special Papers (containing conference abstracts) and Thematic Collections.    Publications in the scope of widely understood mineralogical sciences (mineralogy, petrology, geochemistry, environmental sciences, applied mineralogy, etc.)   Original research and review papers, letters (a short research paper), short notes (a brief communication), book reviews, and letters to editors with comments on papers published in Mineralogia    First issue of Mineralogia Polonica, the official Journal of the Mineralogical Society of Poland, was published in 1970 soon after foundation of the Society in 1969. Mineralogia Polonica, publishing in English from its beginning, has been very important for development of mineralogical sciences in Poland, exchange of scientific journals and international collaboration. Based on a long discussion with our colleagues from abroad we have noticed that the title suggests that the journal is focused on local mineralogical problems from Poland. To avoid this misunderstanding we have decided to modify the title and accordingly the journal cover. The new and simple title Mineralogia (with subtitle Geochemical, Mineralogical and Petrological Research) indicates an open character of the journal. We intend to publish original papers, review papers and short notes from broad fields of geochemistry, mineralogy, petrology, technical, experimental and applied mineralogy, environmental geochemistry and mineralogy. We have also decided to introduce changes in the organization of our Editorial Board to ensure high scientific level of journal and relatively short time-span between paper submission and publication.   The journal facilitates communication and promotes scientific research in the scope of:    descriptive mineralogy   experimental mineralogy   igneous petrology   metamorphic petrology   sedimentary petrology   hard rock geochemistry   geochronology and petrochronology   environmental mineralogy and geochemistry    Why subscribe and read    excellent source of outstanding interdisciplinary research papers in mineralogy, petrology, geochemistry and related disciplines;   over fifty years of publishing;   offers high-quality electronic publications (eISSN 1899-8526);   special issues publishing reviewed abstracts from conferences co-organized by the Mineralogical Society of Poland;    Why submit    fast, fair, and constructive single-blind peer review and editing;   no processing and no publication charges;   language-correction services for authors from non-English speaking regions;      Archiving   Sciendo archives the contents of this journal in Portico - digital long-term preservation service of scholarly books, journals and collections.   Plagiarism Policy   The editorial board is participating in a growing community of Similarity Check System's users in order to ensure that the content published is original and trustworthy. Similarity Check is a medium that allows for comprehensive manuscripts screening, aimed to eliminate plagiarism and provide a high standard and quality peer-review process.   Funding   Authors should list all funding sources in the Acknowledgments section.   ORCID   Mineralogia journal requires ORCID.   Ethical considerations   This journal follows the basic principles of the publishing process as documented by the Committee on Publication Ethics (COPE). The COPE’s guidelines focus mainly on issues related to publication in the medical literature; thus, not all the points are relevant to the Mineralogia journal. Although the essential ethical concerns considered while publishing in Mineralogia align with the COPE guidelines, Mineralogia is not bound by their defined processes.   Mineralogia otrzymała dofinansowanie z MNiE na lata 2022-2024 w ramach programu Rozwój czasopism naukowych (RCN/SN/0190/2021/1).   Ministry of Science and Higher Education co-financed Mineralogia in 2022-2024 as part of the Development of Scientific Journals call (Rozwój czasopism naukowych; RCN/SN/0190/2021/1). 