Ask The Experts
Ask the Experts
June 2014 by Chris Ralph
• Building a jaw crusherAsk The Experts: Equipment to break up heavy clay
Q: I am looking for a “trommel machine” that doesn’t separate anything but clay slurry from rock hard clay.
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Sulfides and oxides—what's the difference between the two?
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Ore testing and other advice for starting up a mining operation.
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Q: Can a voltmeter be used to determine the type of metal/mineral present in soil?
Ask The Experts: Will this detector work for me?
Q: I live near the Gold Basin area of Arizona. What detector will go deep and be easier to use for small gold? I need some help.
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• Real or fool's gold?
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The Bawl Mill
• Ask the Experts
• Ask the Experts
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• Ask the Experts
• Finding Gold with a VLF Detector—Part III
• Silver and Base Metal Deposits of the Pioche District
• California Dredgers: A Step Closer to Getting Back in the Water
• Arizona's Youngest...and Oldest Prospector
• Exploring Placers with Auger Drills
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
• Correction
• Crushing Quartz in Calaveras County: A Placer Miner Learns New Tricks
Free:
Legislative and Regulatory Update
• A Few Methods for Sampling Hardrock Deposits
• Protecting Our Access to Public Lands