The Coeur Rochester Mine

September 2017 by Chris Ralph

One of the reasons I am bringing this article forward to readers now is that the mine personnel are celebrating the production of 150 million ounces of silver since 1986.

Underground Mining: Stoping Methods

October 2016
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.

Michigan House Votes to Give Mining Operations More Flexibility

June 2018

Casperson said he is not worried about businesses subverting the language in the bill because the DEQ would still have the authority to halt the new construction if it is deemed environmentally unsound.

Gold and Rare Earth Elements in New Mexico

August 2015
We import nearly all of our REEs from China, so it’s critical that we find and continue to develop domestic resources of these elements.

Modern Mining Reclamation

September 2015
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.

Gold Ores of the Delamar District, Nevada

August 2014
Even as late as 1906, Delamar was second only to Tonopah and Goldfield in production outshining many better known areas. Since the first discoveries, more than 700,000 ounces of gold have been produced from the mines here.

Designing and Evaluating Placer Gold Recovery Plants

September 2014
For this article, I am focusing on industrial production plants that can handle 10 cubic yards per hour or more and would be fed by a loader or other heavy equipment...

Great Atlantic Resources

August 2012
It was your correspondent’s privilege to accompany Great Atlantic’s management and geologic team on a journalist and analyst tour of their various New Brunswick projects during late June, 2012.

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