Ask The Experts - Were there any productive mines where there were no contacts?
September 2021 by Chris Ralph
Designing my own dredge...
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?
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: I’ve thought about renting an XRF gun with gold specific software to use for exploration this spring.
The Bawl Mill • Ask The Experts - Would a platinum nugget contain all the PGMs? • Ask The Experts - Can you clarify how many minerals I need to identify to be successful? • Commercial Placer Mining: Alaska Style • Indicators and Hillsides • Surviving the Unexpected • Gold Placers of Southern California • Gold Prospecting for Better or Worse: Throwing Away Thousand-Dollar Hot Rocks • 3D-Printed Tools for Prospecting • Libby, Montana Prospectors Keep Tradition Alive • Colorado Miner Sues EPA Over 2015 Spill • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices