Ask The Experts
Ask the Experts
November 2013 by Chris Ralph
Treating ore with a plasma torch or shock waves?Ask The Experts
• Can I find enough gold to make a living with only hand tools?
Ask The Experts
Gold in clastic black shale
Ask The Experts: What is a Spanish needle?
Some fellow in Texas was selling a Spanish needle—a dousing device used to recover minerals in the old days. Do you know anything about these?
Ask The Experts—Iridium
Q: I believe I have found a deposit that contains iridium. What can you tell me about iridium? Are there any tests I can do in the field to confirm it is iridium? How much is iridium worth? Where can I get it assayed? Can I refine it myself?
Ask the Experts
• How do I clean up gold encrusted with iron-sulfides?
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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







