The Copper - Gold Porphyry of Kaputusan shows a zoning of hydrothermal alteration. A potassic core is surrounded by a propylitic halo. A younger pyrite-rich quartz-sericitic alteration partly overprints the older alterations. Analyses from channel • samples from superficial trenches show that copper is mostly leached in the areas of quartz-sericitic alteration. Analysing…
The Copper - Gold Porphyry of Kaputusan shows a zoning of hydrothermal alteration. A potassic core is surrounded by a propylitic halo. A younger pyrite-rich quartz-sericitic alteration partly overprints the older alterations. Analyses from channel samples from superficial trenches show that copper is mostly leached in the areas of quartz- sericitic alteration. Analysing the wa…