Prospecting & Detecting
Mining In The El Paso Range of Southern California
December 2020 by Alan J. Chenworth
While none of the historical mining camps are active, the area is still a hub of activity for the modern prospector, and claims still blanket the hills and gulches.
Pumping Water With Solar Power
Solar energy can be used for any size placer or hard rock mining operation. It is most practical for small and longer-term operations provided your mine is not located in a dense forest.
Dredging Tips and Tricks: A Measure of Water Pump Efficiency
…as an academic argument, when mated to the appropriate engine, is the pump really moving water at the rate of 400 GPM?
Detecting Alluvial Bench Deposits -- Pt II
Walking around the gulch and exploring the upper drainage, picking up different rocks and inspecting them with a good loop, and looking them up in a field guide of rocks and minerals of your region will help you understand how the gold got there.
The Mid-Winter Nugget
Some of the gold is placer that was beat up as it traveled; however, quite a bit of the gold is pocket gold that is running along the surface in this area.
Third Largest Nugget in Existence Returns to Dallas
While the bullion value of the nugget is already substantial, the size and rarity of the Ausrox Nugget combine to make its worth invaluable in the collector market.
Think You Got It All? Guess Again!
May 2016Is your gold recovery actually 95%, 90%, or even a really poor 50%? If you are not testing to know what it really is, you just don’t know. Some do regular testing, but most do not.
Q&A With Detector Designer Dave Johnson
...it’s been a little known secret that one man was involved in designing many of the most respected very low frequency (VLF) nugget detectors on the market. Dave Johnson has designed gold-oriented detectors for Tesoro, Whites, Fisher and others for more than 25 years.
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The Bawl Mill
• Legislative and Regulatory Update
• Ask The Experts - Is this prospect worth sampling?
• Ask The Experts - Can you recommend resources for southeast Alaska?
• Ask The Experts - Can I pay someone to research a claim for me?
• Ask The Experts - Do larger detector coils see deeper nuggets?
• Reading A River: Understanding Erosion and Gold
• The Basics of Permitting and Bonding Your Mining Operation
• Plotting and Persistence Lead to Big Gold
• Using Countercurrent Material Flow to Improve Gold Recovery Efficiency
• Gold Prospecting for Better or Worse: The First Year Is The Hardest
• Tips and Tricks: A Dredging Tip for Clearing the Tailings Pile
• The Kern River
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
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