Ask The Experts
Ask The Experts: Assay problem or recovery problem?
January 2017 by Chris Ralph
Q: I have tried various leaching techniques from which I cannot get a precipitate.
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• Is this old mining story too good to be true?
Ask The Experts—Extraction of micro gold from black sands
I know big mining companies use cyanide and other leach systems to recover gold from ore. Is this the only economically feasible way to recover the values?
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Dust and dry washing
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Q: What's the difference between a header box and a crash box?
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Can I treat a sample with muriatic acid?
Ask The Experts: Equipment to break up heavy clay
Q: I am looking for a “trommel machine” that doesn’t separate anything but clay slurry from rock hard clay.
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The Bawl Mill
• Ask The Experts: Could you expand on your previous blasting article?
• Ask The Experts: Equipment to break up heavy clay
• Ask The Experts: “Energy” coming from black sand?
• Legislative and Regulatory Update
• Detecting Strategies for Heavily Forested Areas—Part II
• The Winning Hand
• Early Winter Detecting in the Sierras
• Gangue Minerals - What Do They Tell Us?
• Mining Districts in Montana Get Organized
• Feds Deny Lease Renewals for Minnesota Mine
• Obama Administration Moves to Block Mining Near Yellowstone
• The Perfect Response
• MMAC Update
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
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