PRECIOUS METAL MINERALOGY OF THE MURTYKTY GOLD DEPOSIT, SOUTH URALS
Ore mineralogy of the Murtykty gold deposit is presented in the paper and main attention is paid to the mode of occurrence of precious metals. Ores are pyrite-bearing quartz-chlorite (±sericite, ±carbonate of the dolomite-ankerite series) metasomatites with variable ratios between rockforming minera...
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| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
South Urals Federal Research Center of Mineralogy and Geoecology UB RAS
2019-06-01
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| Series: | Минералогия |
| Subjects: | |
| Online Access: | https://journal.mineralogy.ru/wp-content/uploads/2019/09/2019-2-6.pdf |
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| Summary: | Ore mineralogy of the Murtykty gold deposit is presented in the paper and main attention is paid to the mode of occurrence of precious metals. Ores are pyrite-bearing quartz-chlorite (±sericite, ±carbonate of the dolomite-ankerite series) metasomatites with variable ratios between rockforming minerals. Pyrite is the major sulfide; sphalerite, galena and chalcopyrite are secondary in abundance. Rare minerals include pyrrhotite, arsenopyrite, altaite, coloradoite, hessite, petzite, calaverite, volynskite, rucklidgeite, and native gold. The Ag content of native gold ranges from 6.11 to 35.32 wt. %. Significant amount of Au and Ag occurs in a telluride form: hessite Ag2 Te, petzite Ag3 AuTe2 , calaverite AuTe2 , and volynskite AgBiTe2 . The refractory features of sulfide ores are caused by diverse modes of occurrences of precious metal. |
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| ISSN: | 2313-545X 2782-2044 |