Ask The Experts - Need help finding production records
April 2019 by Chris Ralph
Bismuth oxide for assaying?
Q: Conflicting advice on motorized small-scale mining equipment
Q: Do "corners" need to be in place on the ground for a claim to be valid?
Why are there no maps of the so-called mining districts?
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...
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