Ask the Experts
November 2013 by Chris RalphTreating ore with a plasma torch or shock waves?
Q: Is there a correlation between fault zones and mineralization of economic metals?
Breaking cemented gravels
Q: Can you tell me if this deposit is worth working? It is a quartz vein and I had it analyzed for gold, copper, rare earths and other metals.
The concentrate is just the heaviest of the heavy minerals but some sulfides are sneaking in there also with the gold...
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