At a laboratory in Newark, New Jersey, a gray liquid swirls vigorously inside a reactor the size of a small watermelon. Here, ...

Norway wants to open its Arctic seabed to mining for critical metals. Critics fear harm to fragile marine ecosystems. The WWF ...

Ceibo, a clean copper extraction technology company, and Glencore‘s (GB:GLEN) Lomas Bayas Mining Company have entered into a ...

Copper sulfide ores with medium pyrite content contain up to 50% sulfides, the average sulfide content is about 15% Fe 2 S. Some of these ores may underline porphyry copper deposits known as a ...

these ores are grouped together with copper-lead-zinc ores. There are several geological formations of massive sulfide copper-zinc deposits. These include: Ores related to volcanic formation Ores ...

The permits could have allowed Antofagasta’s Twin Metals Minnesota to significantly expand its proposed sulfide-ore copper mine at the edge of the Boundary Waters Canoe Area Wilderness in northeastern ...