Ore deposit type: Magmatic-hydrothermal, porphyry type
Provenance: Bor Cu-Au deposit, Serbia
Description: Hydrothermally altered porphyric rock containing disseminated pyrite and cut by a pyrite veinlet (yellow sub-millimetric crystals, metallic luster). The rock underwent a pervasive silicic/argillic alteration that almost totally obliterated the original magmatic texture.
Thin section under transmitted light (nicol //)
Thin section under transmitted light (nicol +)