Ask The Experts: Small-scale drilling

June 2017 by Chris Ralph

Q: What is available to a small prospector? How does one prospect (drill) into the walls of an old hard rock mine to see what is 10 feet beyond...

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April 2014
Frogs' extinction from fungus

Which Specific Gravity Test Works Best?

August 2011
Have you ever wondered how accurate specific gravity tests are in determining the amount of gold in a specimen?

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February 2014
What is the ceramic-like material embedded with gold?

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January 2015
• Should I introduce mercury in the centrifugal bowl to aid gold recovery?

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February 2014
Email scams

Ask The Experts

March 2015
Q: Does gold get stuck in the crucible?

Ask The Experts—How do you amend a placer claim?

May 2011
Q: How do you amend a placer claim?

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