How To
Ask the Experts
January 2015 by Chris Ralph
• How do I clean up gold encrusted with iron-sulfides?Company Notes
• Homestake Mining Company
• Placer Dome Inc.
• AZCO Mining Inc.
• Guyana Diamond Corp.
• Canadian Mining Company, Ltd.
• Hecla Mining Company
• Pan American Silver Corp.
Ask the Experts
Ore testing and other advice for starting up a mining operation.
A Data Miner Builds A Power Sluice
Data mining involves processing huge amounts of digital information to find hidden patterns and financial relationships. To executives, the findings are like gold, but on the weekends, I prefer seeing the real thing in the bottom of my pan.
Ask The Experts
• How small should I crush my hard rock ore?
Sniping for Drought Gold
There are not a lot of tools needed to get out and take advantage of the situation. Other than my wetsuit, I typically travel light with a gold pan, maybe a pry bar and a few crevice cleaning tools.
Lode or Placer: What Difference Does It Make?
This explains the large difference in particle sizes between placers and hydrothermal lode deposits, but also means that while the mining may be similar in some cases, the sampling and recovery techniques are usually quite different.
Tips for Detecting Nugget Patches
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The Bawl Mill
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• Return to Chicken, Alaska
• The Pothole Patch
• All About Pyrite
• Diamond Prospecting in Indiana
• Significant Progress for California Suction Gold Dredgers
• Why Did This Silver Mine Close? -Conclusion
• The Ely Copper-Gold District of Nevada
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
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Legislative and Regulatory Update
• How to Field Evaluate A Placer Property
