Rio Tinto has achieved a milestone with the first copper produced from Gunnison Copper’s Johnson Camp mine in Arizona, US, using Nuton copper processing technology. The Nuton technology, the result of ...

(Bloomberg) -- Carved into a mountain range in Arizona’s Sonoran Desert, where temperatures often reach 118F (48C), a vast mining complex more than a century old is on the front lines of a race to ...

Mining isn’t known for innovation. For more than a century, we’ve extracted copper using the same process: dig, crush, grind, leach, repeat. Meanwhile, demand has exploded, fueled by EVs, AI ...

Companies with upcoming copper mines in the US could be poised to benefit from tailwinds in the sector, including supply deficits and the Trump administration's promises to cut "red tape" for critical ...

Long before he was elected, President Donald Trump promised to reinvigorate mining in northeast Minnesota. Since January, his administration has taken many actions to clear the way for new hardrock ...

Rietberg was an underground operation active in the 1970s. Ore was transported to Nababeep for processing. The mine closed in 1981, owing to the presence of other more economical and closer deposits ...

MINNEAPOLIS — President Donald Trump‘s administration is moving to lift restrictions on copper-nickel mining that the Biden administration imposed near the Boundary Waters Canoe Area Wilderness in ...

Kamoa Holding, a joint venture (JV) between Ivanhoe Mines and Zijin Mining Group Co, holds a direct 80% interest in the Kamoa-Kakula Copper Complex. Canadian mining company Ivanhoe holds an effective ...