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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?From The Editor
We (finally) have the new version of our website up and running, and it seems to be a hit!
2011 National Mining Hall of Fame Inductees
The National Mining Hall of Fame and Museum announced the 2011 National Mining Hall of Fame inductees.
Quartzsite, Arizona
The town of Quartzsite, with a permanent population of about 2,000, was founded as a stage stop in 1866. It is situated on the broad La Posa Plain, a north-trending desert valley, at an elevation of 875 feet.
Prospecting for Copper
This article deals with copper exploration, but it is relevant to exploration for other minerals. I will use the geology of the Copper Creek area in Pinal County, Arizona, as an example.
The Underground Mining Adventure Continues
Our group of independent miners have been busy crafting a uniquely designed ladder/ore cart track from the bottom of an 85-foot mine shaft in a historical hard rock mine.
The Bawl Mill
• Fried golden eagle is bad; diced is okay
• Your tax dollars at work
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