| Reference Type | Journal (article/letter/editorial) |
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| Title | Thiosulphates as precursors of banded sphalerite and pyrite at Bleiberg, Austria |
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| Journal | Mineralogical Magazine | ISSN | 0026-461X |
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| Authors | Kucha, H. | Author |
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| Stumpfl, E. F. | Author |
| Year | 1992 (June) | Volume | 56 |
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| Issue | 383 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_56/56-383-165.pdf+ |
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| DOI | doi:10.1180/minmag.1992.056.383.03Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 1809 | Long-form Identifier | mindat:1:5:1809:2 |
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| GUID | 0 |
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| Full Reference | Kucha, H., Stumpfl, E. F. (1992) Thiosulphates as precursors of banded sphalerite and pyrite at Bleiberg, Austria. Mineralogical Magazine, 56 (383) 165-172 doi:10.1180/minmag.1992.056.383.03 |
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| Plain Text | Kucha, H., Stumpfl, E. F. (1992) Thiosulphates as precursors of banded sphalerite and pyrite at Bleiberg, Austria. Mineralogical Magazine, 56 (383) 165-172 doi:10.1180/minmag.1992.056.383.03 |
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| In | (1992, June) Mineralogical Magazine Vol. 56 (383) Mineralogical Society |
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| Abstract/Notes | AbstractBanded sphalerite from Bleiberg, Austria, contains ubiquitous relics of Fe-thiosulphates and Fesulphites up to 50 μm in size. Zn, Pb, Ni and As form admixtures ranging from a few to 12 wt.% in these compounds. It is suggested that banded sphalerite is formed by a replacement of banded thiosulphate and thiosulphite precursors. This suggestion is supported by a significant admixture of Fe 0.41-8.20 wt.%) and the presence of goethite inclusions in banded sphalerite. In contrast, crystalline ZnS intergrown with the banded variety is Ni-free and contains only 0.06-0.14 wt.% Fe.Banded pyrite contains inclusions of Fe-thiosulphate up to 200 μm in size. These thiosulphates contain (wt.%): 0.09-1.92 Zn, and 2.67−4.02 Pb. Pyrite formed by replacement (breakdown) of Fethiosulphate precursors contains 3.69-3.83 wt.% Pb.It is suggested that banded sulphides precipitate from solutions carrying sulphur with mixed valances, and crystalline sulphides grow from solutions where the dominant dissolved sulphur is in the form of sulphidic anions. |
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