Ask The Experts
Ask The Experts—Extraction of micro gold from black sands
October 2011 by Chris Ralph
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?Ask The Experts
• Reason for adits rather than shafts?
Ask the Experts: Tantalite in an African nation -- is it worth pursuing?
Q: Tantalite in an African nation -- is it worth pursuing?
Ask The Experts: Nickel assays
Q: Our group has found a nickel deposit in the Yuma, Arizona area that is similar to the one that you wrote about...
Ask The Experts
• When geologists and old-timers have conflicting views.
Ask The Experts: What is a Spanish needle?
Some fellow in Texas was selling a Spanish needle—a dousing device used to recover minerals in the old days. Do you know anything about these?
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The Bawl Mill
• Legislative And Regulatory Update
• Ask The Experts—Separating platinum from sands using bubbles
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• Then and Now: Is Gold Really Money?
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• Prospecting Australia—Part I
• Oregon Dredge Permit Litigation Update
• Gold From Black Sand Tailings
• The Fine Art of Panning Heavy Sands
• California State Gold Panning Championships
• The Golden Days of Julian, California
• An Expensive Lesson
• Judge Denies Request To Delay Michigan Mine
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