Ask The Experts
Ask The Experts—Extraction of micro gold from black sands
October 2011 by Chris Ralph
I know big mining companies use cyanide and other leach systems to recover gold from ore. Is this the only economically feasible way to recover the values?Additional articles that might interest you...
Ask The Experts
June 2015
Sulfides and oxides—what's the difference between the two?
Sulfides and oxides—what's the difference between the two?
Ask The Experts - Is there a standard percentage given to land owners who hold the mineral rights?
October 2017
Ask The Experts
April 2016
• Should I focus efforts on this particular rock type?
• Should I focus efforts on this particular rock type?
Ask the Experts - Processing sulfide ore without mercury or cyanide.
February 2012
Q: ...Is there any way to process the ore without using mercury or cyanides...?
Q: ...Is there any way to process the ore without using mercury or cyanides...?
The Portable XRF Gun
November 2012
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.
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.
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The Bawl Mill
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• Oregon Dredge Permit Litigation Update
• Gold From Black Sand Tailings
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• An Expensive Lesson
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