Ask The Experts
Ask the Experts
February 2014 by Chris Ralph
Shaker tables and jigsAsk The Experts
• Can you please shed some light on the material I collected...?
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Designing my own dredge...
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• Where would I find a map for the Western states on high silica sand deposits?
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What are these rocks?
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Relationship between limestone and gold
Ask The Experts: Nickel assays
Q: Our group has found a nickel deposit in the Yuma, Arizona area that is similar to the one that you wrote about...
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