Ask The Experts
Ask The Experts—Difference between a Geiger counter and scintillator
October 2011 by Chris Ralph
Would you explain the difference between a Geiger counter and a scintillator and how they operate in uranium prospecting?Additional articles that might interest you...
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.
Ask The Experts - Can you tell me anything about the Cherry Creek District in Nevada?
September 2018
Ask The Experts
June 2015
Is this a valid claim?
Is this a valid claim?
Ask the Experts
February 2014
What is the ceramic-like material embedded with gold?
What is the ceramic-like material embedded with gold?
Ask The Experts
March 2015
Q: Conflicting advice on motorized small-scale mining equipment
Q: Conflicting advice on motorized small-scale mining equipment
Ask The Experts—Using classifiers
December 2010
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.
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—Extraction of micro gold from black sands
October 2011
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?
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?
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The Bawl Mill
• Legislative And Regulatory Update
• Ask The Experts—Separating platinum from sands using bubbles
• Ask The Experts—Extraction of micro gold from black sands
• Then and Now: Is Gold Really Money?
• Gold, Quartz & Chalcedony—Part I
• Prospecting Australia—Part I
• Oregon Dredge Permit Litigation Update
• Gold From Black Sand Tailings
• The Fine Art of Panning Heavy Sands
• California State Gold Panning Championships
• The Golden Days of Julian, California
• An Expensive Lesson
• Judge Denies Request To Delay Michigan Mine
• Melman on Gold & Silver
