Ask The Experts
Ask The Experts - Time for small mine exemptions
October 2020 by Chris Ralph
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
• Sweep speed and sensitivity settings for a GPX-4500
Ask The Experts—What minerals are magnetic? Can rare earth magnets capture platinum?
What minerals are magnetic? I have heard that super magnets (rare earth magnets) can capture platinum. True?
Ask the Experts
Treating ore with a plasma torch or shock waves?
Ask The Experts - How do I recover gold in pyrite?
Ask the Experts - Processing sulfide ore without mercury or cyanide.
Q: ...Is there any way to process the ore without using mercury or cyanides...?
Subscription Required:
The Bawl Mill
• Ask The Experts - Too early to build the crusher?
• Ask The Experts - Should I be checking the culverts for gold?
• Sniping for Gold—The Next Best Thing to Dredging
• Hard Rock 101: Advanced Micro Blasting
• Now Is The Time For Exploration
• Gold in Unlikely Places—And 'Eating Crow'
• From Iowa to Alaska—How I Became A Gold Miner
• Jamestown and Our Mother Lode Gold Rush Adventures
• Why Assaying Placer Gold Deposits Doesn't Work
• Gold Prospecting for Better or Worse: Those Blasted Boulders!
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
Free:
PLP Update
