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.
Partner Withdraws from Pebble Project
One of the partners in a massive and contentious proposed gold and copper mine in Alaska is pulling out, raising questions about the future of the project.
Advancements in Non-Toxic Gold and Silver Leaching
The non-toxic thiosulfate is actually the medical antidote given to people for cyanide poisoning. By accomplishing both neutralization and metals recovery, this process creates an economic and environmentally attractive process.
China Closing More Than 1,000 Mines
It was only a few years ago that China was taxing and limiting quantities of exports for rare earths in an effort squeeze the market, drive up prices and extract the most in the way of income.
Caught Between A Hard Rock and A Rare Earth Place
The same day, while two of us were heading to Vancouver to attend the mining convention, two others from our team were headed to Nevada to begin loading the millsite equipment.
Great Atlantic Resources
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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.
USFS OKs Exploratory Drilling in Eastern Idaho
The new plan approved by the FS says water for drilling at Dog Bone Ridge will now come from Beaver Creek rather than Coral Creek. The agency also said Excellon has added several monitoring sites associated with Dog Bone Ridge.
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.
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