Ask The Experts
Ask the Experts
February 2014 by Chris Ralph
Shaker tables and jigsAsk The Experts—Using classifiers
Q: I would like to know how to use a classifier when I dump my gravel into my sluice box. I would also like to know what sizes classifiers come in. I know that they are in sizes like -3/4. What does the “minus” in the size mean? Thanks for any help you can give me.
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Is this a valid claim?
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• Is there a single book that covers most aspects of mining and recovery?
Ask The Experts: Could you expand on your previous blasting article?
Q: Could you write more about the last two methods that you mentioned—the expanding chemical mixtures and the micro blasters, how and when to use them, and when not to use them?
Ask The Experts - Do I have any grandfathered rights that post FLPMA claim holders do not have?
Q: Does a claim holder of a claim that has been under constant, active status since 1932 have any rights that owners of newer claims do not have? In other words, do I have any grandfathered rights that post FLPMA claim holders do not have?
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Questions regarding processing black sands
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