Computed tomography is now doing for ancient metalworking what it once did for medicine, turning opaque fragments of slag into detailed cross-sections of early technology. By peering inside 5,000-year ...

Copper smelting - a critical process in metal production - often generates slag, which contains valuable metals. This slag has historically been thrown away, causing harm to the environment and ...

Add Yahoo as a preferred source to see more of our stories on Google. The site, shown here, was originally excavated during the Soviet period and was relocated using hand draw maps from a 1964 book.

Rail cars filled with East Helena slag are expected to begin their journey next week to British Columbia and then to a smelter in South Korea, where it will be given new life as cement. “It’s a ...

The directors of Australia-based Macquarie Harbour Mining Ltd., (MHM) have announced that the company has made significant progress in its plans to open an aluminum salt slag operation in the United ...

United Kingdom-based Ultromex Limited says it has signed “a major contract” with global mining firm Rio Tinto to remediate a salt slag landfill site in Europe. Ultromex says, together with ...

EPA’s internal watchdog today informed agency leadership that residents of Anaconda, Mont., are selling bags of the town’s toxic copper smelting waste to unwitting tourists. EPA’s internal watchdog ...