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• Is there a standard contract for placer mining to use with a private property owner?

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Recovering gold from pyrite ore

Ask The Experts—Amalgamation


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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Why are there no maps of the so-called mining districts?

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Q: Graphite spray to prevent sticking when using cast iron molds

Ask The Experts -- How do I find the owners of patented property?


Ask The Experts - What is this sample worth?


Ask The Experts—Using classifiers


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.

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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

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