GEOCHRONOLOGY OF EPITHERMAL Au-Ag MINERALIZATION, MAGMATIC-HYDROTHERMAL ALTERATION, AND SUPERGENE WEATHERING IN THE EL PEÑÓN DISTRICT, NORTHERN CHILE Available to Purchase

40 Ar/ 39 Ar and Re-Os Geochronology of Porphyry Copper-Molybdenum Deposits and Related Copper-Silver Veins in the Collahuasi District, Northern Chile Available to Purchase

40 Ar/ 39 Ar DATING OF HYDROTHERMAL BIOTITE FROM HIGH-GRADE GOLD ORE, TANGIER GOLD DEPOSIT, NOVA SCOTIA: FURTHER EVIDENCE FOR 370 Ma GOLD METALLOGENY IN THE MEGUMA TERRANE Available to Purchase

The timing of adularia-sericite-type mineralization and alunite-kaolinite-type alteration, Mount Skukum epithermal gold deposit, Yukon Territory, Canada; 40 Ar- 39 Ar and U-Pb geochronology Available to Purchase

Laser probe 40 Ar/ 39 Ar ages of early- and late-stage alteration assemblages, Rosario porphyry copper-molybdenum deposit, Collahuasi District, I Region, Chile Available to Purchase

Geologic and geochronologic constraints on the metallogenic evolution of the Andes of southeastern Peru Available to Purchase

Volcanic and intrusive history of the Pine Grove porphyry molybdenum system, southwestern Utah Available to Purchase

Occurrence and age of tin mineralization in the Cordillera Oriental, southern Peru Available to Purchase