Prospecting & Detecting
Prospecting for Gold at Green Valley
December 2012 by Don Robinson
In October, five of us decided to take an exploration trip into an area called Green Valley. This was perhaps ten miles upstream from where we had gone in September and the difficulty was access. One would think that based on the name it was an easily accessible area not far from a nearby town. This couldn’t be more wrong.Ask The Experts
Can a metal detector be used to find limonitic gossan material?
Prospecting Underground: Use Caution
In underground placer work, the contact point of the bedrock tunnel and the gravel is a very weak point and always has to be timbered. The bedrock here is thin, fractured, and the gravels loose from many years of oxidizing.
Old Patch, New Detector

Ancestral Yuba River Placer Gold Deposits
The small-scale miner has reasonable opportunity to exploit some of these small, rich placer gold deposits.
Back to Green Valley--With A Sluice
As I planned for my trips, I concentrated on how to lighten my pack yet still carry enough gear to make the trip productive and enjoyable.
My First Carolina Nugget
On my weekends off I spent many hours dredging the Second Broad River from Cane Creek Road up to the headwaters. I used a three-inch dredge with air and graduated to a five-inch with air.
Proven Strategies for Detecting Gold
I’m sure we all have, at some point in time, gone out detecting and ended up not having the success we thought we would have. Here are some helpful game-changers that work for me and may work for you, as well.
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• Legislative and Regulatory Update
• 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
• What's Left Behind
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
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• Detecting at the Sixteen to One Mine