Large Scale Mining
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.
What Is Your Grade?
After paying for the mine fleet, mill capital, supplies, fuel, power and labor, at today’s metal prices, does this mine make a profit?
Thieves Make Off with Tons of Gold & Silver Ore
According to local press reports, about ten armed thieves forced their way into a private freight dispatch yard near the port, subdued employees, and then took several hours to search for the shipping containers…
Legislation and Regulation
October 2023Rise Gold to Assert its Vested Right to Mine at the Idaho-Maryland-Brunswick Mine (the "IM Mine")
Mohave County, Arizona: The Oatman/San Francisco Mining District
The Oatman/San Francisco Mining District’s historic gold production of 2.2 million ounces of gold since the 1880s makes this area Arizona’s greatest primary gold producing district.
Hardrock 101
April 2023Scaling and Hazard Rock
Drilling for Ore
In the simplest sense, drills can be divided by their mode of action—percussion, rotary or a mixture of the two.
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