Prospecting & Detecting
What's Left Behind
December 2012 by Michael Greyshock
I love to see old-timer workings while I am out detecting for gold. For one thing, it assures me that gold came from there. Second, it tells me gold should almost certainly still be there.
A Great Day On The Feather River
Mike and Machael dug in just downriver of that boulder pile and right away found good color and a few small pickers.
Picking Our Way Through Bedrock
Once again the coil was put over the spot but the target was in the pile now. I pinpointed, grabbed a handful of dirt and began sprinkling it over the coil until I heard that mild thud.
How Topography Affects Prospecting for Gold
Keeping in mind how the local topography affects where gold has been deposited can help you find more gold, and is certainly something the prospector needs to keep in mind.
Selenium, Mercury and Suction Dredging—Studies Contradict CA State Water Resources Board
Federal and state regulatory agencies often cite mercury and methyl mercury in our waterways as a major factor for further restrictions on placer mining, and on suction gold dredge mining, in particular. However, these regulatory agencies are minimizing selenium and its neutralizing effects.
The Quest For Yankee Jim's Gold
August 2023PLP Update
All 28 groups listed agree that Section 402 of the Clean Water Act does not apply and no dredge miner should be asking a state or federal agency for such a permit.
Volume is the Key to Success
While recovery rates are important, they must necessarily be secondary to the volume of material processed. Running more material at lower recovery rates is generally preferable to increasing the efficiency of the system.
Subscription Required:
The Bawl Mill
• Ask the Experts
• Legislative and Regulatory Update
• Prospecting for Gold at Green Valley
• Extraction of Precious Metals Using Froth Flotation
• Detecting Old Ground Sluice Locations
• Mineral Deposit Trends: Real and Imaginary
• Four Arrested for California Mining Museum Heist
• Scams, Scammers and Schemes
• Lawsuit Update From the New 49'ers
• Constitutional Sheriffs Standing Up for Our Rights
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
Free:
Ask the Experts
• Detecting at the Sixteen to One Mine
