Ask The Experts
Ask the Experts
April 2014 by Chris Ralph
Relationship between limestone and goldAsk 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.
Which Specific Gravity Test Works Best?
Have you ever wondered how accurate specific gravity tests are in determining the amount of gold in a specimen?
Ask the Experts
Breaking cemented gravels
The Portable XRF Gun
While there is no metal detector that will see only gold, there is a device that can reliably distinguish gold from lead, copper, iron or other metals. It is an X-Ray fluorescence tester, sometimes called an XRF gun.
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?
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The Bawl Mill
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