Fine Grinding Investigations at Lake Shore Mines
THE object of the work was to increase the capacity of the plant and, if possible, to reduce costs of the actual unit grinding while doing so. The accompanying assays of an infra-sizer analysis of the cyanide tail (Table l) illustrate the problem in hand. The cyanide tail is a combination of two products, gangue and FeS2. The assay alters by virtue of a change in gold value due to grinding and the relative quantity of FeS2 in the sizes, which itself varies with the grind.
Grinding, Hollinger Low Discharge Work, Infra-Sizing at Lake Shore, micron, pyrite, United States Bureau of Standards, Materials, Mill, Mills, Screens, Sizing, test, Tests