Ask The Experts—Using classifiers
December 2010 by Chris RalphQ: 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: What are the advantages or disadvantages of hand crank vs. battery power vs. blower? And your preference?
Q: Since the weather in California is not as nasty as it is in Alaska, would it be advisable to wear the same setups as he wrote about?
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.
• Are these gold amounts large enough to interest a mining company?
Would you explain the difference between a Geiger counter and a scintillator and how they operate in uranium prospecting?
The Bawl Mill • Ask The Experts—Iridium • Ask The Experts—Highbanker legal in CA?; Best place to sell raw gold? • So, Where's The Gold?—Finding Gold Detectors Miss • The Oregon Claim • Forest Service v. Michael & Linda Backlund • Highbanking on the Feather River • CFTC Finds Evidence of Silver Market Manipulation • Gold in Arizona • Detecting for Gold in Australia—The Kimberley Trip • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices