Pb isotope bearing on the metallogenesis of sulfide ore deposits in central and southern Peru

Twenty-five Pb isotope determinations are presented on galena, chalcopyrite, pyrite, chalcocite, and cerussite from 15 mineral deposits in the copper, iron, and polymetallic provinces of central and southern Peru. The results are evaluated in comparison with the Pb isotope signatures of potential source materials which include plutonic rocks of the Coastal batholith, Precambrian basement rocks of the Arequipa massif, as well as midocean ridge basalts (MORB) of the Nazca plate, and Pacific Ocean pelagic-metalliferous sediments subducted at the Peru-Chile trench. -from Authors