Dacite porphyry with stockwork of veinlets of quartz

Dacite porphyry with stockwork of veinlets of quartz

Tags: chalcopyrite dacite porphyry pyrrhotite stockwork

Dacite porphyry with stockwork of veinlets of quartz

Category: Ore

Deposit: Marmato

Description:

Dacite porphyry with stockwork of veinlets of quartz-pyrrhotite-minor chalcopyrite with narrow illite halp, overprinting biotite alteration. MT-1498 at 854.0 m. Sample 2.0 m at 17.3 g/t Au, 3.5 g/t Ag and 330 ppm Cu.