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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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Practical Advice for Milling Hard Rock Ores


The problem is that extracting gold from hard rock is often a lot more difficult than processing placer gravels. Still, there is some very high-grade ore out there in many old mining areas.

Metal Detector Testing Methods


It will not be any easier than on your table at home, and so testing a very small test target like the ballpoint pen can tell you immediately if a detector is suitable for looking for tiny gold nuggets.

Carr Fire Gold


After burning more than 350 square miles, the Carr Fire near Redding, California, was finally out. Luckily our home was spared, and I had the opportunity to go metal detecting in burned areas previously too overgrown to access.

The Black Diamond of the Forest


Hearty trees, shrubs and plants are a product of the soil conditions in which they grow, so it makes sense that roots near an ore deposit will take on nutrients containing metals if they are present.

Ask the Experts


NOI or POO for small backhoe

Mud Men: Pocket Miners of Southwest Oregon Part II


How many more clays seams lie adjacent to known shear zones and quartz veins in the pocket areas of southwestern Oregon?

Northwestern Alaska Mineral Resources


Gold and jade are actually only minor mineral resources for the Northwestern Alaska region as a whole. Modern prospecting has focused more on base metal than precious metal resources.

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