Ask The Experts - What is the “blue lead?”
April 2021 by Chris Ralph
Gold in clastic black shale
Q: How do metal detectors work around precious metal ore bodies?
• What to prospect with on the Klamath River
Q: Can a voltmeter be used to determine the type of metal/mineral present in soil?
Where to process high grade gold ore containing sulfides?
The Bawl Mill • Ask The Experts - Can an Ohm meter find gold in pyrite? • Ask The Experts - Can you tell me about this mining district? • The 10-Ton Boulder: Expanding Grout Demolition • How Deep Can That Detector Go? • Simple Mine Surveying With Basic Hand Tools • Dredging Do's and Don'ts • Emails Confirm--FBI Was Looking for Gold at Pennsylvania Dig Site • Gold Prospecting for Better or Worse: Tuck and Roll • Preparing For The 2021 Mining Season • Drywashing for Desert Gold—Part III • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices