ESSENTIAL FUNCTIONS Join ASARCO: Pioneering the Future of Copper Mining At ASARCO, we are not just producing copper-we are shaping the future of mining. Founded in 1899, ASARCO stands as a cornerstone of Arizona's mining industry, with our Ray Mine being the first open-pit copper operation in the United States. Today, Ray Mine continues to lead the way in innovation, boasting a state-of-the-art concentrator equipped with cutting-edge machine learning models and advanced process control systems.