The metamorphosed alteration zone associated with the Bruce Precambrian volcanogenic massive sulfide deposits, Yavapai County, Arizona

Mineral District, Massive Sulfide, Alteration, Mineralization, Isotope Geochemistry, Geochemical Survey, Mineralogy, Copper, Zinc, Hydrothermal System, [Yavapai Schist][Yavapai Series][Yavapai Group][Yavapai Supergroup] - Early Proterozoic,