Ask The Experts
Ask The Experts
August 2015 by Chris Ralph
Hydraulic remnants or just lose material?Ask The Experts—Using classifiers
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: Should I remove someone else’s claim post from my claim?
Q: Can and should you remove their poles and notice right then and there or should you wait until you have convinced them of their trespass?
Ask The Experts—Extraction of micro gold from black sands
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
• Should I focus efforts on this particular rock type?
The Portable 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
Replacing cloth on a drywasher
Ask the Experts
Bismuth oxide for assaying?
Subscription Required:
The Bawl Mill
• Ask The Experts
• Detecting During Summer Heat
• Surviving The Boom and Bust Cycle
• A Great Day On The Feather River
• Prospecting for Silver Deposits
• Give That Club Claim A Chance
• From Curiosity to Mine Owner
• Gold and Rare Earth Elements in New Mexico
• Will El Nino Move Gold for Miners and End California Drought?
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
Free:
Legislative and Regulatory Update
• MMAC & PLP Update -- Rand Mining District Gets Organized







