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Ask The Experts: How to remove precious metals from lead?
August 2010 by Thom Seal, PhD, PE
I have a large amount of precious metals, gold and silver, mixed in with lead. Cupelling is expensive. What method can I use to extract the gold and silver without cupelling?Then and Now: Is Gold Really Money?
The gold from 80 years ago still holds all of its value—it’s the Dollar that has been damaged.
A High Country Patch
As he was working near the extreme low end of the ground sluicing, I heard a yell through my headphones. Making my way down to him I could see the smile from a long distance.
Ganes Creek After The Flood
Doug told me that there had been a 100-year flood that took place in October of 2013 and it washed out part of the mile-long landing strip. It also washed a large, wide gully down below and above the camp.
Which Nugget Detector Should I Get?
The most commonly asked question in metal detecting is, “Which metal detector should I get?” People worry a lot about not getting the right machine. They do not want to waste their money and their time with the wrong metal detector.
Small-Scale Mining, Milling and Recovery
In 1997, I had been working a hard rock claim in Lone Valley, Nevada with two partners. It was a small seam about one to two inches wide that had free gold up to 9 ounces per ton.
Prospecting Knowledge -- Pass It On!
I had two of the guys go down into the creek and each one picked out a small island of bedrock. I had them detect their piece of bedrock and then gave a critique to all on how they did.
PLP Interim Rule Raffle
The Forest Service issued an Interim Rule on July 9, 2004, to require a Notice of Intent or Plan for mining activities that cause little or no disturbance to public lands under Forest Service jurisdiction.
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The Jenkins Mine Project—The Golden Rules of Science
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