Ask The Experts
Ask the Experts—Access to mining claim across private land
December 2011 by Chris Ralph
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: What is a Spanish needle?
Some fellow in Texas was selling a Spanish needle—a dousing device used to recover minerals in the old days. Do you know anything about these?
Ask The Experts - Who owns this historic mill and how do I handle possible mercury contamination?
Ask The Experts: “Energy” coming from black sand?
Q: I have a question/request regarding some black sand left from my Dad’s prospecting days.
Ask The Experts
How do I extract my gold from this ore?
Ask The Experts: Can you review the differences in dry washers?
Q: What are the advantages or disadvantages of hand crank vs. battery power vs. blower? And your preference?
Subscription Required:
The Bawl Mill
• Our Readers Say
• Ask the Experts—Looking up mining claims on the Internet
• Ask the Experts—Best way to identify calaverite and sylvanite
• Legislative and Regulatory Update
• WSGS Releases New Geologic Maps
• Prospecting on the North Yuba
• Yesterday's Gold—Today's Mine
• Where to Find Gold in Indiana
• Prospecting Australia—Part III Anatomy of a Nugget Patch in Western Australia
• Nevada Miners: Check Your Claim Markers
• Managers at Fault for Two Deaths at Meikle Mine
• Cold Water Gold
• River Dredging vs. Creek Dredging—Part I
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
Free:
Ask the Experts—How do you determine how far a piece of gold has traveled in a stream?
• Testing Ores for Free Gold
