Ask the Experts
November 2013 by Chris RalphTreating ore with a plasma torch or shock waves?
Good questions...from A to Z...
Q: Tantalite in an African nation -- is it worth pursuing?
I was informed, in a less than friendly manner, that I can only camp on the claim for 14 days of every 90.
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.
Q: Are there any mills that handle VMS ore?
The Bawl Mill • One Potato, Two Potato... • Proper Placer Sample Processing • Strategic Metals—Part I • Dry Washing to Capture Fine Gold • Are There Any Good Prospects Left? • Ophir—Possibly the Best Kept Secret in Alaska! • Southern Oregon's Illinois River—A Lesson in Sharing • Using Sucker Guns to Find Gold • Making Adjustments to Catch Fine Gold • The Subsurface Suction Dredge • A Few Thoughts About Successful Nugget Hunting • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices