Alteration processes: | Propylitization, Sericitization (Sericite, Rutile, Halloysite, Alunite, Zunyite, Quartz), Potassic: Biotite (Secondary Biotite, No Secondary K-Spar, K-Spar Alteration. Silicification. Tourmalinization In Carudo Breccia. The Aureole Of Alteration Is Irregular In Shape And Extends 1,900m E-W. The Oxidation Zone Is 300m Deep. |