Ask The Experts
The Portable XRF Gun
November 2012 by Chris Ralph
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: What should I do with a large amount of old placer concentrates?
Q: I’m working with some folks who have a large amount of old placer concentrates stored on their recently purchased property.
Ask The Experts
Is a miniature spectrometer in our future?
Ask The Experts - Can you tell me anything about the Cherry Creek District in Nevada?
Ask the Experts
• What to prospect with on the Klamath River
Ask The Experts—What happened to the BLM web site geocommunicator.gov?
Q: What happened to the BLM web site geocommunicator.gov? We cannot get mining claim info any more. Can you write about this? Or if you did what volume and number? Thanks for keeping the ICMJ alive and well.
Ask The Experts: Is this deposit worth working?
Q: Can you tell me if this deposit is worth working? It is a quartz vein and I had it analyzed for gold, copper, rare earths and other metals.
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• The Struggle to Reopen Alaska's Largest Gold Mine
• Prospecting With a Detector: Lessons Learned
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• Proper Assaying of Placer Samples
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• Melman on Gold & Silver
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