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Crushing Quartz in Calaveras County: A Placer Miner Learns New Tricks

I had never run an impact mill before, but anything involving rocks, water and a big electric motor sounded great.

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Ophir—Possibly the Best Kept Secret in Alaska—Part II


I knew the nuggets got into the nugget patch somehow, I just had to figure out how and from what direction they came.

Gold Detecting Strategies for Hydraulic Mines and Debris Flows


The old timers typically washed these areas down to bedrock, and some areas appear terraced. I would imagine this is because these hydraulic mines were generally where the miners found old Tertiary river channels on the sides of mountains that were gold-bearing.

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.

Roads to Nowhere


What today appears to be a “road to nowhere” was once a road to somewhere. At today’s precious metal prices that somewhere can be of great importance to you.

California Sniping


I opted for the underwater portion of the river. All I have to do is float down the river and pick large flakes and small nuggets out of cracks and crevices while staying cool in the summer heat.

Using Countercurrent Material Flow to Improve Gold Recovery Efficiency


There is a material processing principle widely used in large milling operations to improve recovery that is poorly understood by most of the micro-mining and prospecting community...

Finding Gold in Tailing Piles


Old mine workings and tailing piles can represent opportunities on many levels, from the chance to simply find a nugget on up to the commercial reworking of the old tailings for profit.

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