Ask the Experts
November 2013 by Chris RalphTreating ore with a plasma torch or shock waves?
Ask The Experts - Is a detector any good at discriminating pyrite or chalcopyrite in ferrous-reject mode?
Q: Graphite spray to prevent sticking when using cast iron molds
Q: Thanks for the great article in the recent ICMJ [“Metallic Trash—Scourge of the Prospector,” July 2012]...
• Is there a single book that covers most aspects of mining and recovery?
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