Prospecting & Detecting
Fluorescent Mineral Prospecting
September 2020 by John Norman
Ultraviolet light is divided into three levels, labeled A, B and C depending on the wavelength, with C having the shortest wavelength and the most energy.
Following the Clues
It took me awhile before I finally got a nice mellow signal. My nugget turned out to weigh in about two dwt (pennyweight). Over the next few hours, we all picked up a few more nuggets apiece.
PLP Update: How to Restore The Rights of Suction Dredge Miners
A two-pronged approach is necessary to restore suction dredging; federal preemption needs to be established as addressed above via petition; and clarification from the EPA is needed to establish that no Section 402 permit is necessary when there is no “addition” of a pollutant.
Crumb Hunting With A VLF Detector
Chris got a nice target signal on the edge of rising bedrock, but still in a low, but washed area. After breaking up the bedrock, he recovered several pieces of gold amounting to almost three pennyweight.
Study Confirms Mercury Levels Safe in California's Gold Country
While the Water Board documented the selenium levels in fish and noted they exceed the levels of mercury, they have yet to acknowledge the numerous scientific studies that show selenium effectively neutralizes the effects of mercury.
Detecting: Small Creek Yields Good Gold
Most of our gold recoveries have been in the cracks of the bedrock. Hot rocks in the form of dikes cross the creek at various locations, causing us to skip those areas.
Fault Zones and Prospects
As we walked back we were just reaching the point of where the faulting should be and there, covered with deep grass, was very faint evidence of an old road going up the mountainside! What was that old road doing there?
Recent Prospecting in Plumas County
Plumas has been historically rich in gold because of its favorable geology. The Melones Fault trends north-south through the county and many rich gold-bearing districts lie along its course.
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The Bawl Mill
• Ask The Experts - What is the difference between heavy and light rare earth elements?
• Ask The Experts - What are the tax implications for partners on a claim?
• Ask The Experts - What should my plan be for testing quartz for gold in North Carolina?
• Ask The Experts - Did gold deposits come from space or were they created underground?
• Ask The Experts - Is a shaker table going to work on my flour material?
• Subtle and Not So Subtle Dangers of Hard Rock Mining
• How Should I Work This Prospect?
• Tips and Tricks: Preparing Your Dredge Engine for Storage
• More Tips on How to Find Gold with A Detector
• What Do You Need For A Successful Micro-Scale Mine?
• Using Favorable Rock Types to Find More Gold
• Gold Prospecting for Better or Worse: Of Mice and Men
• Discovering New Territory
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
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Happy Birthday, ICMJ!
• Legislative and Regulatory Update
• PLP Update
