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 ...

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

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

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 ...

From a viewpoint at about 6,190 feet above sea level, a giant hole in the Oquirrh Mountains stretches two and a half miles wide and ¾ of a mile deep. Trucks with tires bigger than a sedan look like ...

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 ...