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Geology and metallogeny

Platinum bearing vein chromites of Svetly Bor pyroxenite-dunite massif, Central Urals

A. G. Pilyugin1
V. G. Lazarenkov2
N. I. Vorontsova3
I. V. Talovina4
A. P. Kozlov5
A. V. Antonov6
U. Kempe7
  • 1 — National Mineral Resources University (Mining University)
  • 2 — National Mineral Resources University (Mining University)
  • 3 — National Mineral Resources University (Mining University)
  • 4 — National Mineral Resources University (Mining University)
  • 5 — Institute of Comprehensive Exploration of Mineral Resources of the Russian Academy of Sciences
  • 6 — A.P.Karpinsky Russian Geological Research Institute (VSEGEI)
  • 7 — TU Bergakademie Freiberg Institute of Mineralogy
Date submitted:
Date published:


Platinum mineralization in Svetly Bor massif is represented by two promising mineral assemblages: chromite-platinum and platinum-type dunite. Body platinum of chromites lie within  the fields of small-and medium-grained dunite central part of the array. Spinel epigenetic vein platinum chromites of Svetly Bor clinopyroxenite-dunite massif have some geochemical features such as high iron content, low chromium and titanium. Changing the chemical composition of the constituent minerals chromites is the result of processes of serpentinization of dunites host and is accompanied  by the emergence of new mineral phases. Noble metal  mineralization  is represented  by fine  of up to 50 microns, mostly idiomorphic grains isoferroplatinum, tetraferroplatinum, osmiridium.

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