Ask the Experts
February 2015 by Chris Ralph• Is this old mining story too good to be true?
Sulfides and oxides—what's the difference between the two?
Q: Is there a special name for this silver and copper alloy?
Q: Exactly how does amalgamation work? Does it “melt” the gold (or copper, or silver, etc.) and form an alloy? If one leaves a piece of gold in mercury, will the entire sample become an amalgam (combination) of gold and mercury? Or does it only affect the surface...
What is the best type of mat to use in a high banker set up?
• Is there a standard contract for placer mining to use with a private property owner?
Q: Set up a small portable operation or send the ore to a custom mill?
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