The present work deals with the minerogenesis of a brecciated vein-like ore-body included in an acid porphyry rock, which has been mineralized with sphalerite and tetrahedrite. Moreover, few plrite, galena and copper sulfides are present in the ore-body. The life of the little mining industry which works on the vein depends on small quatities of gold and silver. The former is very finely disseminated in the quartz; the latter is chiefly brought by the tetrahedrite. Some uranium is also present as finde dissemination in the quartz. The brecciation of the vein is posterior to the mineralization. which should have been nearly massive. The deposit is of subvolcanic type.