Ask The Experts
Ask The Experts - A metal detector for Ghana?
November 2020 by Chris Ralph
Ask The Experts - How do I recover gold in pyrite?
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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Q: Graphite spray to prevent sticking when using cast iron molds
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Is there a reasonable and cost effective way to separate out the values?
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The Bawl Mill
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