Ask The Experts
Ask the Experts
July 2013 by Chris Ralph
Q: Is there a special name for this silver and copper alloy?Ask The Experts
• Can you please shed some light on the material I collected...?
Ask the Experts
Buying a turquoise claim
Ask the Experts
• Should I introduce mercury in the centrifugal bowl to aid gold recovery?
Ask The Experts—Studies with summaries and conclusions please...
Q: ...A number of scientific studies have been done that concluded our level of dredging is “not” harmful to fish or habitat. I suggest that the Mining Journal list some of these specific studies with brief summaries and conclusions.
Ask 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.
Ask The Experts: Can you review the differences in dry washers?
Q: What are the advantages or disadvantages of hand crank vs. battery power vs. blower? And your preference?
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