How To
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November 2012 by Chris Ralph
How do I set up a small placer operation?Ask The Experts
Which comes first, claim filing or staking?
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• How do I get mining claims appraised?
Gold Recovery with Centrifugal Bowls
Centrifugal bowls are very efficient, and with proper operation they can consistently achieve gold recoveries above 95% with gold of about 50 mesh size.
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How do I set up a small placer operation?
How to Recognize Hard Rock Gold Ores
I regularly get inquiries along the line of: “Hey, I found this rock, and I think it might be gold ore. How can I tell?” Prospectors are always on the lookout for gold-bearing rocks that may be the source of any nearby placer gold.
Route Planning Using GPS
My intention was to end this discussion with waypoints and routes, then I found USGS maps of the Plainfield Quadrangle.
Exploring Placers with Auger Drills
Augers can be used effectively for placer exploration with certain limitations.
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The Bawl Mill
• Ask the Experts
• Ask the Experts
• Ask the Experts
• The Portable XRF Gun
• Gold Dredging on Oregon's South Umpqua
• The Struggle to Reopen Alaska's Largest Gold Mine
• Prospecting With a Detector: Lessons Learned
• The Rush to Treasure Hill
• Tips on Crevicing for Gold
• Using Google Earth and Other Maps
• Proper Assaying of Placer Samples
• Mining, Health Care & Taxes
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
