Large Scale Mining
Drilling for Ore
August 2014 by Bill Rich
In the simplest sense, drills can be divided by their mode of action—percussion, rotary or a mixture of the two.
Environmental Analysis Starts for Proposed Idaho Gold Mine
“We feel that we can clean up an area that has been abandoned after 100 years of mining,” Lyon said.
Managers at Fault for Two Deaths at Meikle Mine
Two miners were killed in an accident partly because someone wedged a broom handle against a reset button to bypass an alarm that would have shut down the system, federal safety investigators said.
Northern Gold Mining's Garrison Gold Property
During our visit during late May, 2011, the vertical nature of the mineralized areas was clearly visible, as were numerous examples of quartz-carbonate veins in shear zones, faults and folds.
Gold Ores of the Delamar District, Nevada
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.
Using Structural Clues to Locate Buried Placer Channels
They must have assumed the paystreak was spotty and had been mined out, so they never mined as close to the side of the valley as they should have.
Obama Administration Moves to Block Mining Near Yellowstone
Republicans and industry representatives have criticized the administration’s eleventh-hour actions to limit development and promised to seek their reversal once Obama leaves office.
Silver Boom Prompts Idaho Mine Expansion
The Lucky Friday is already one of North America’s deepest hard-rock mines. Now, the 62-year-old mine is about to get much deeper.
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