Ask The Experts
Ask The Experts
November 2015 by Chris Ralph
• When geologists and old-timers have conflicting views.Additional articles that might interest you...
The Portable XRF Gun
November 2012
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
May 2016
• Any suggestions about gold panning in Oregon?
Ask The Experts—What's the cheapest way to mine quartz for gold?
August 2011
Q: I have a gold mine in Colorado. There was an assay done which stated [there is] a lot of quartz within the mine. What is the cheapest way to mine it for gold? I don’t have the money for mills, etc. Can I do it by hand (during summer holidays), and how would I get started?
Q: I have a gold mine in Colorado. There was an assay done which stated [there is] a lot of quartz within the mine. What is the cheapest way to mine it for gold? I don’t have the money for mills, etc. Can I do it by hand (during summer holidays), and how would I get started?
Ask The Experts
March 2015
Q: Conflicting advice on motorized small-scale mining equipment
Q: Conflicting advice on motorized small-scale mining equipment
Ask the Experts
August 2022
• What processing plant should I choose based on my ore type?
• How to select an area to start prospecting?
Subscription Required:
The Bawl Mill
• Ask The Experts
• Our Readers Say
• Gold in Tertiary Gravels
• Detecting Clay Seams
• Associated Gold Placers of the Comstock
• All About Minerals
• MMAC & PLP Update
• Feinstein Pushes for Million-Acre Land Grab
• Prospecting for Liberated Gold
• The Snapshot
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices