Pt, Ru, Au, Ag | Manganite-plattnerite (Point 4, on Figure 5) | Manganosite, zincite, goethite | Ore film 20 × 12 μm on a quartz-muscovite carbonaceous substrate. Ru, Mn, Zn and S anomalies coincide with it boundaries | Pt, Ru, Au, Ag and their oxides, sulphates of Ag₂SO₄ type |