Antamina has the world's largest ‘skarn’: high mineralization surpasses operations in Indonesia and Mexico

Peru's Antamina mine, located in the Ancash region, is capturing international attention for its high level of mineralization, a condition that positions it as the largest skarn on the planet. This was stated by Zhaoshang Chang, holder of the Charles Fogarty Chair and professor at the Colorado School of Mines, during his keynote lecture at proEXPLO 2026.