To remain competitive, the domestic metals industry must not only make advances in mining methods, but also in ore processing. One processing advancement under investigation
Batch Autoclave Laboratory Procedures: The vessel used for the laboratory pressure oxidation process was a two-liter Parr titanium autoclave with dual impellers. It was heated and
An exploration process is normally consisted of four major phases: regional reconnaissance, detailed mapping, sparse drilling, and infill drilling. Regional reconnaissance focuses on promising areas
The objective for this U.S. Bureau of Mines (USBM) research is to evaluate construction and completion methods and costs for vertical in situ copper mining
Conventional Magnetic Separator: An Eriez conventional high gradient magnetic separator (HGMS), model EL 20-4, with a 0.058 m canister diameter and a total volume of 1030
Conventional underground mining involves the excavation and transportation of ore to the surface for processing. Tonnes of solid material is extracted from underground mining systems
Critical Surface Tension of Wetting for Minerals: Another criterion satisfying the requirement for complete wetting can be deduced from Zisman’s concept of the critical surface tension
The idea of using the energy of water (hydropower) for the purpose of deep-level mining has its origins in South Africa. It stems from necessity
The permitting for the copper project required time beyond what was initially anticipated and stand alone gold reserves were exhausted. While leaching of the gold
Previous work has shown that significant, free milling gold values exist in the Ryan Lode ore. This project used pilot scale equipment to estimate the