Ask The Experts
Ask The Experts—Using classifiers
December 2010 by Chris Ralph
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.Additional articles that might interest you...
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?
Ask the Experts: More suggestions for dealing with metallic trash....
August 2012
Q: Thanks for the great article in the recent ICMJ [“Metallic Trash—Scourge of the Prospector,” July 2012]...
Q: Thanks for the great article in the recent ICMJ [“Metallic Trash—Scourge of the Prospector,” July 2012]...
Ask the Experts
April 2014
Magnetometers explained
Magnetometers explained
Ask The Experts—Difference between a Geiger counter and scintillator
October 2011
Would you explain the difference between a Geiger counter and a scintillator and how they operate in uranium prospecting?
Would you explain the difference between a Geiger counter and a scintillator and how they operate in uranium prospecting?
Ask The Experts - Need advice on melting gold
January 2019
Subscription Required:
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
Free:
Legislative and Regulatory Update
• Know Your District
