This information system forms a World Map of Abandoned Mines all around the USA. Zoom in/out and click on a “metal dot” of your choice to view the details of the related Abandoned Mine Listed by the USGS. 64,883 Inactive U.S. Metal Mines as of 2012 This map represents inactive metal mining operations across the United States. This map … Read more
Personnel from engineering firms frequently use data from pilot-plant operations for designing a full- scale plant. Data from pilot- plant testing may be supplied by the client, bv independent research laboratories, or. in other cases, by the engineering people involved in the pilot-plant operation to develop their own engineering, metallurgical, mineral processing and chemical data. … Read more
Recently we were talking with the manager of one of the larger copper concentrators in Arizona when he took off on the subject of overengineering and standardization and engineers who practiced the former but had no acquaintance with the latter. The particular reason for his wrath at that moment was $70,000 worth of conveyor head. … Read more
Las Luces Grupo Cenizas – Project Mine OP Construction Copper Chile South America. The initiative is property of Minera Las Cenizas S.A. It involves the construction of new works at the Las Luces mine, such as a new waste rock dump, seawater catchment area, slurry deposit and ancillary works. Is also includes another minors works … Read more
Polaris was such a nice workplace. Maybe my memories of it are skewed a bit be the fact it was my very first really mining job, but in any case, I only remember a very nice spirit up there. I also remember the Chili Peppers and the Polar Beach Party. http://www.lostmines.net/polaris-mine.html
