Chalcopyrite ores are usually processed by means of hydrometallurgical or pyrometallurgical processes, but due to environmental aspects and the possibility of increased exploitation of mixed and lower grade ores and relatively small isolated deposits, there has been a worldwide upsurge of interest in the hydrometallurgical processes of this ore as compared to pyrometallurgy.
If a modification to the Dargues Reef Gold Mine, at Majors Creek, is approved, the mine may finally be able to begin operating. The modification being sought includes expanding the mines operational life from August 31, 2018, to December 31, 2024, increasing the approved maximum ore extraction from 1.2 to 1.6 million tonnes, constructing and using a storage area for waste rock storage ...
A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust.. Crushers may be used to reduce the size, or change the form, of waste materials so they can be more easily disposed of or recycled, or to reduce the size of a solid mix of raw materials (as in rock ore), so that pieces of different composition can be differentiated.
The Aripuanã Zinc Joint Venture Project is one of the world's tenth largest undeveloped zinc projects and covers a complete mineralized massive sulphide district, with five areas of mineralization (Arex, Ambrex, Babacu, Massaranduba and Mocoto) over a 25 kilometer strike length.