The Antamina mine in the Andes Mountains of Peru is one of the largest copper/zinc mines in the world. It is an open pit mine which had an estimated life of mine at 15 years. It also produced molybdenum. The mine is jointly owned by Teck Resources, BHP, Glencore, and Mitsubishi Corporation[1] and independently operated by Compañía Minera Antamina S.A.[3] It produced 390,800 tons of copper concentrate in 2006, 461,000 tons[4] in 2013, 410,000 tons (15% of the country’s total production)[5] in 2024. The total capital expenditure of the mine by 2013 was US$2.3 billion.