Nevv K-Ar age determinations of intrusive rocks from western cordillera and high plateaus of central Perú. ImplicatIons on Cenozoic migration of magmatic activity and on metallogenesis

New Cenozoic K-Ar ages of volcanic rocks of the Eastern high Andes, South Peru

Neogene Magmatism in the Bolivian Andes (between 16°and 18°S). Part 1: numerical stratigraphy (K-Ar) and tectonics

K-Ar ages of Hercynian and Neogene rocks along en east west cross section in Southern Perú