Ask The Experts
September 2016 by Chris Ralph• Is there a standard contract for placer mining to use with a private property owner?
Recovering gold from pyrite ore
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...
Why are there no maps of the so-called mining districts?
Q: Graphite spray to prevent sticking when using cast iron molds
Q: I would like to know how to use a classifier when I dump my gravel into my sluice box. I would also like to know what sizes classifiers come in. I know that they are in sizes like -3/4. What does the “minus” in the size mean? Thanks for any help you can give me.
The Bawl Mill • Our Readers Say • Ask The Experts: Is there a safe DIY alternative to cyanide or mercury for extraction? • Ask The Experts: Should I take my claim access problems to the Desert Advisory Council? • Ask The Experts: How do I identify gold in hard rock that may be mixed with other metals? • Ask The Experts • Legislative and Regulatory Update • Pickers and Nuggets • Modern-Day Claim Jumping • Oregon's Waldo and Galice Mining Districts Unite • Attention to Detail - Part II • The Seven Troughs Mining District • CA Supreme Court Rules Against Rinehart - But There Is A Solution • Summertime Gold Panning • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices
MMAC & PLP Update