Bismuth minerals from the Stan Terg deposit (Trepça, Kosovo)

Kołodziejczyk, Joanna; Pršek, Jaroslav; Melfos, Vasilios; Voudouris, Panagiotis; Maliqi, Feriz; Kozub‐Budzyń, Gabriela A.

doi:10.1127/njma/2015/0288

Cited by 13 publications

(24 citation statements)

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“…The presence of freibergite and Ag-rich tetrahedrite in the northern, external part of Stan Terg, as well as previous reports of cinnabar presence in the vicinity could mean that besides medium temperature stages with base metals (main economic interest) and high temperature associations with Bi and Au (Kołodziejczyk et al 2015), there is also an epithermal overprint in the external parts of the Stan Terg hydrothermal system, probably dominated by Ag-Au-Sb±Hg mineralization.…”

Section: Application In Explorationsupporting

confidence: 56%

“…The skarns at Stan Terg are of Ca-type and consists of typical contact-metamorphic assemblages, with garnet, hedenbergite, ilvaite and actinolite. Within the skarn mineralization, Bi minerals were identified (Kołodziejczyk et al 2015). The Bi-assemblage is also related to breccia mineralization, close to the central volcanic rocks.…”

Section: Geological Settingmentioning

confidence: 89%

“…Natural mineral standards (PbS, ZnS, FeS 2 , Sb 2 S 3 , MnS) and synthetic compounds (InAs, Cu, Bi, CdS, PbTe, Ag, HgTe, SnS, Se, Ga) were used for the calibration. (Kołodziejczyk et al 2015) https://journals.agh.edu.pl/geol Kołodziejczyk J., Pršek J., Asllani B.…”

Section: Methodsmentioning

confidence: 99%

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The paragenesis of silver minerals in the Pb-Zn Stan Terg deposit, Kosovo - an example of precious metal epithermal mineralization.

Kołodziejczyk¹,

Pršek²,

Asllani³

et al. 2016

geol

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This study reports silver mineral association found recently in the Stan Terg lead and zinc mine, located in the Vardar zone (in northern Kosovo). The described mineralization comprises pyrargyrite (Ag 3 SbS 3 ), freieslebenite (AgPbSbS 3 ), high-Ag bearing tetrahedrite and freibergite ((Ag 4+2x Cu 2−2x )[(Cu,Ag) 4 (Fe, Zn) 2 ]Σ6Sb 4 S 12 S 1−x with (0 < x < 1)); as well as native compounds (Electrum, composition of those minerals was confirmed by the electron microprobe. The freibergite from native silver is native antimony). The Ag-minerals occur in vuggs and cracks in a massive galena ore and have signs of the latest minerals, which precipitated in the deposit. The chemical of the Stan Terg deposit reveals zonality and contains between 13.91-20.28% of Ag. The high concentration of Ag in solutions is also indicated by relatively high silver content in Au-Ag alloy (electrum), which is between 47.02% and 73.19% of Ag. The Ag association is supposed to be an epithermal equivalent of precious metal mineralization, which could be located in the external part of the Stan Terg hydrothermal system. This association occurs in low temperatures, below 200°C. The Ag-minerals can be a part of epithermal veins from the external part of the Stan Terg hydrothermal system. Similarly to the other known Pb-Zn-Ag hydrothermal systems, the Ag association is related to the formation of the rhodochrosite banded ore and Ag-Au-Sb dominated mineralization.

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Section: Application In Explorationsupporting

confidence: 56%

Section: Geological Settingmentioning

confidence: 89%

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The paragenesis of silver minerals in the Pb-Zn Stan Terg deposit, Kosovo - an example of precious metal epithermal mineralization.

Kołodziejczyk¹,

Pršek²,

Asllani³

et al. 2016

geol

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“…The ore mineralization is dominated by galena, sphalerite, pyrite, pyrrhotite, arsenopyrite, with minor chalcopyrite, tetrahedrite, Sn-minerals, Bi-minerals, Ag-minerals and native elements (Kołodziejczyk et al 2015(Kołodziejczyk et al , 2016. The skarn alteration (garnet, hedenbergite, ilvaite and actinolite, magnetite) is present near the central volcanic conduit, but also in the distal parts of the deposit (Dangić 1993).…”

Section: Ore Mineralizationmentioning

confidence: 99%

“…140 and 149), and from arsenopyrite-rich skarn-free mineralization (corridor walls in the southern part of the X th horizon) (Kołodziejczyk et al 2015). Kołodziejczyk et al (2015) suggested that the bismuth-bearing phases at Stan Terg were formed during the retrograde evolution of the hydrothermal system under generally low-sulphidation and reduced fluid states in the temperature range from 350 to 250 °C.…”

Section: Introductionmentioning

confidence: 99%

Bi-sulphotellurides associated with Pb – Bi – (Sb ± Ag, Cu, Fe) sulphosalts: an example from the Stan Terg deposit in Kosovo

Kołodziejczyk¹,

Pršek²,

Voudouris³

et al. 2017

Geologica Carpathica

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New mineralogical and mineral-chemical data from the Stan Terg deposit, Kosovo, revealed the presence of abundant Bi-sulphotellurides associated with Bi-and Sb-sulphosalts and galena in pyrite-pyrrhotite-rich skarn-free ore bodies (ores without skarn minerals). The Bi-bearing association comprises Bi-sulphotellurides (joséite-A, joséite-B, unnamed phase A with a chemical formula close to (Bi,Pb) 2 (TeS) 2 , unnamed phase B with a chemical composition close to (Bi,Pb) 2.5 Te 1.5 S 1.5 ), ikunolite, cosalite, Sb-lillianite, members of the kobellite series and Bi-jamesonite. Compositional trends of the Bi-sulphotellurides suggest lattice-scale incorporation of Bi-(Pb)-rich module and/or admixture with submicroscopic PbS layers in modulated structures, or complicated Bi-Te substitution. Cosalite is characterized by high Sb (max. 3.94 apfu), and low Cu and Ag (up to 0.72 apfu of Cu+Ag). Jamesonite from this mineralization has elevated Bi content, from 0.85 to 2.30 apfu. The negligible content of Au and Ag in the Bi-sulphotellurides, the low content of Ag in Bi-sulphosalts, together with the lack of Au-Ag bearing phases in the mineralization, indicate either ore deposition from fluid(s) depleted in precious metals, or physico-chemical conditions of ore formation preventing Au and Ag precipitation at the deposit site. The temperature of initial mineralization may have exceeded 400 ºC as suggested by the lamellar exsolution textures observed in lillianite, which indicate breakdown textures from decomposition of hightemperature initial crystals. Non-stoichiometric phases among the Bi-sulphosalts and sulphotellurides studied at Stan Terg reflect modulated growth processes in a metasomatic environment.

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Geochemistry and textural evolution of As-Tl-Sb-Hg-rich pyrite from a sediment-hosted As-Sb-Tl-Pb ± Hg ± Au mineralization in Janjevo, Kosovo

Mederski

Pršek

Majzlan

et al. 2022

Ore Geology Reviews

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Bismuth minerals from the Stan Terg deposit (Trepça, Kosovo)

Cited by 13 publications

References 0 publications

The paragenesis of silver minerals in the Pb-Zn Stan Terg deposit, Kosovo - an example of precious metal epithermal mineralization.

The paragenesis of silver minerals in the Pb-Zn Stan Terg deposit, Kosovo - an example of precious metal epithermal mineralization.

Bi-sulphotellurides associated with Pb – Bi – (Sb ± Ag, Cu, Fe) sulphosalts: an example from the Stan Terg deposit in Kosovo

Geochemistry and textural evolution of As-Tl-Sb-Hg-rich pyrite from a sediment-hosted As-Sb-Tl-Pb ± Hg ± Au mineralization in Janjevo, Kosovo

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