Geochemistry and mineralogy of gold and PGE’s in mesothermal and epithermal deposits and their bearing on the metal recovery
1
Institute of Geology and Mineral Deposits
2
University of Melbourne
3
Mining University Leoben
Publication date: 1998-01-01
Physicochem. Probl. Miner. Process. 1998;32(1):7-30
ABSTRACT
In mesothermal-epithermal (below 250 °C) noble metal deposits mineralogy and geochemistry of Au, Pd and Pt are complex. The metals form substitutions in arsenides, antimonides, sulphides, organic matter, arsenates and oxysulphides. In some deposits the metals form their own oxysulphides, organometallic compounds, silicates, tellurides, selenides, sulphides, arsenides and arsenates. Such complex mineralogy and geochemistry of noble metals involving direct chemical bonding to the host lattice causes difficulties in the metal recovery. A treatment of such ores requires prior geochemical and mineralogical study to design optimal technology of the ore treatment.
| eISSN: | 2084-4735 |
| ISSN: | 1643-1049 |
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