Around 5,000 years ago, people in what is now Iran began turning dull stone into shining metal. By heating copper ore until it melted, they learned to pull liquid metal from rock, a skill that helped ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. ONE OF technology’s greatest inventions began with a dispute ...

Deep-sea mining of manganese nodules can yield copper, nickel, and cobalt sustainably, minimizing waste and environmental ...

Chalcopyrite leaching processes are at the forefront of hydrometallurgical techniques for copper extraction. The dissolution of chalcopyrite, a primary copper–iron sulphide mineral, involves intricate ...

Decrease in transportation costs and greenhouse gas emissions (GHGs) due to a reduction of transported material from mine to mill Decrease energy consumption at the mill due to the higher feed grade ...