Large Scale Mining
Environmental Analysis Starts for Proposed Idaho Gold Mine
September 2017 by Associated Press
“We feel that we can clean up an area that has been abandoned after 100 years of mining,” Lyon said.
Drilling for Ore
In the simplest sense, drills can be divided by their mode of action—percussion, rotary or a mixture of the two.
Silver Bull Resources Sees Bright Future for Silver & Zinc
The Sierra Mojada Project lies within a historic high grade silver, lead and zinc mining district originally discovered in 1879.
The “Chuck It Out” Nugget
This was no ordinary nugget. It had not traveled very far from its nearby source, and that did mean a lot, as we were searching for the source of several such nuggets found during a gold rush that occurred in 1859.
Resolution Copper Project To Be Reviewed By Year-End
If approved, the project would use block caving to extract the remaining ore, most of which is 7,000 feet below ground level.
Designing and Evaluating Placer Gold Recovery Plants
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...
EPA Reopens Comments on Pebble Project
The settlement did not grant an immediate approval for the project, but it did begin to clear the way for the company to apply for federal permits—a path the Obama administration previously had thwarted.
Cripple Creek Gold Mine Exceeding Expectations
At the peak of construction later this year, the mine will generate more than 6,000 direct and indirect jobs across the state with annual wages totaling more than $200 million...
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