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 ...

With copper emerging as a highly sought after commodity, Copper360 CEO, Jan Nelson, has previously said that the company ...

Glencore’s Lomas Bayas mine agreed to begin on-site testing at scale of a leaching process developed by Ceibo.

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

Glencore Plc is moving forward with a new extraction technology at its copper mine in northern Chile as part of the ...