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Large Scale Mining

2018 National Mining Hall of Fame Inductees

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How to Refine Silver—Pt II


Silver recovery from low-level solutions is frequently done in a cell that has a cathode with 2 to 5 or more times the surface area as the anode.

Underground Mining: Stoping Methods


In an old mine that does not have stopes, you know the old miners did not take much if any ore out of that excavation. On the other hand, if you see large stopes within the mine you know that it is these places where the miners found profitable ore deposits within the vein.

Company Says Central Idaho Project Feasible


...the federal agency is intrigued by a plan that might result in cleaning up the area without cost to taxpayers.

Mineral Exploration On The Rise


…2017 was just the first year with a small increase after a huge drop off in exploration activity. It may take many years of future increases to get back to where the activity was in 2012, as projected increases in exploration spending are seen to be slow and steady.

An Update On The Father's Day Gold Discovery


Just recently, the miners hit another big pocket, this time with nearly 1,000 ounces of gold. Some of the rich specimens were as big as a fist and others were in the form of smaller pieces.

Progress Continues in Honduras


He had meetings with Honduran officials at all levels, set up a new corporation called Raptor Mining in El Corpus, Honduras, and is in the process of establishing a non-profit called “Step Up for Honduras.”

Modern Mining Reclamation


A study showed that between 1930 and 1980, only a quarter of one percent of the land in the United States was used in all mining applications combined, including surface mining, tailings disposal, underground mines, and all mineral processing facilities.

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