Ask the Experts
November 2013 by Chris RalphTreating ore with a plasma torch or shock waves?
Q: Could you write more about the last two methods that you mentioned—the expanding chemical mixtures and the micro blasters, how and when to use them, and when not to use them?
Q: How much gold do I have per ton and how can I improve my assay method?
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