Ask The Experts
Ask the Experts
July 2014 by Chris Ralph
Bacterial goldAsk The Experts
• How small should I crush my hard rock ore?
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• Is there a single book that covers most aspects of mining and recovery?
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Designing my own dredge...
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Viewing details on Google Earth
Legislative and Regulatory Update
- November elections
- Anti-mining ballot initiative rejected in Montana
Ask The Experts: How do I identify gold in hard rock that may be mixed with other metals?
Q: Aside from the softness scratch test and other methods of identification, what feedback would you have on identifying gold in hard rock that may be mixed with other metals that affect its color?
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How do I set up a Miller table?
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The Bawl Mill
• A Return to Silver City, Idaho
• Ask the Experts
• Ask the Experts
• Swing and a Miss
• Miners Fight Back Against Road Closures
• The Giant King Mine
• BLM Flexes Its Muscles in Quartzsite
• Over the Divide
• Romancing the Lens
• Gold Recovery with Centrifugal Bowls
• Mining on the Comstock Lode
• Want to Go to Australia?
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
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Legislative and Regulatory Update
• Representative Manweller Lends a Hand in Washington State







