Ask The Experts
December 2014 by Chris Ralph• Real or fool's gold?
Q: I was wondering how such a device could locate a rich gold vein in quartz, for example, since a metal like gold is non-magnetic.
Would you explain the difference between a Geiger counter and a scintillator and how they operate in uranium prospecting?
Q: ...Is there any way to process the ore without using mercury or cyanides...?
• Sweep speed and sensitivity settings for a GPX-4500
Bismuth oxide for assaying?
The Bawl Mill • Legislative and Regulatory Update • Ask The Experts • Ask The Experts • Uncovering the Find of a Lifetime • Suction Dredging Battle Escalates • Guinea Africa: Gold, Ebola, and a Monkey Barbecue • Finding Gold in Tailing Piles • Small-Scale Processing of Hard Rock Ores • 2014 Index - Annual Tables of Content • Why Did This Silver Mine Close? - Pt III • Get The Lead Out! • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices