Ask The Experts
Ask the Experts
March 2013 by Chris Ralph
Using GIS systems to aid in mapping.Ask the Experts: gold per ton; improving assay method
Q: How much gold do I have per ton and how can I improve my assay method?
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?
Ask the Experts
• Reopening closed areas
Ask The Experts - How do I work this glacial deposit?
Ask the Experts
Centrifugal bowls versus jigs
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The Bawl Mill
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• Legislative and Regulatory Update
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• Benches and Fossil Placers
• Turning Hobby Mining into Business Mining
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• And the Survey Says...
• $50 Million Swiped in Diamond Heist
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