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Prospecting & Detecting

Ancestral Yuba River Placer Gold Deposits

The small-scale miner has reasonable opportunity to exploit some of these small, rich placer gold deposits. 

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Hardrock 101


Scaling and Hazard Rock

A Break in the Weather


Back at the entry point of the mine, we took turns slowly crawling down the slope leading into the mine portal with our metal detectors, hard hats and flashlights. The mine was hand dug and is about 75 yards long.

Highbanking for Gold


Pumps can be set up quite a distance away horizontally from the sluice, even hundreds of feet. It will work so long as there is sufficient water at the source where the pump is located. Vertical distance is more of a problem than horizontal distance; 30 to 40 feet is the maximum vertical climb for most pumps.

How Rich Must My Ore Be?


How rich does a hard rock ore have to be for it to be worthwhile to process and extract the gold?

Cherry-Picking for Gold Nuggets


We have a location where nuggets over an ounce have been detected over the past twenty years. This location is a small hilltop on which an ancient river channel once flowed.

Get The Lead Out!


If you do the math, it equates to about $1,500 of heavy metal value per three-hour dive. This is good wages, and you are doing a service to the environment by removing this toxic metal.

Ask the Experts


• Using drywashers to work desert gravels

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The Bawl Mill   • Ask The Experts - A metal detector for Ghana?   • Ask The Experts - Is a detector a good return on investment?   • Ask The Experts - Concern that gold and silver aren’t considered critical?   • Exploration Rush at Tonopah, Nevada   • Prospecting Old Mine Dumps With A Drone   • Hard Rock 101: Blasting With Kinepak Explosives   • It's Not Always El Dorado   • Gold Prospecting for Better or Worse: Coyote Poop Gold   • National Forest Closures in California   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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