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Prospecting & Detecting

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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Underground in the Original 16-1 Mine


These days they employ the use of metal detectors and carefully scan the shattered rocks, hoping to hear that sound we detectorists love to hear.

The Value of Old Patches


Nuggets make for the best memories and this patch was just adding to mine. In the hours of daylight I had left, I worked from that nugget to the bottom of the patch, collecting eight more nuggets.

Think You Got It All? Guess Again!

think you got it all. guess again.

Is your gold recovery actually 95%, 90%, or even a really poor 50%? If you are not testing to know what it really is, you just don’t know. Some do regular testing, but most do not.

Drywashing in Black Canyon, Arizona


After the hike and a quick snack break we gathered a few buckets of material to really dial in the drywasher for the most efficient recovery. This involves leveling the unit, setting the riffle box drop angle and regulating the speed in which the material is processed.

Geobotany: Plants Associated With Mineral Deposits


Science has shown, over the past few centuries, that there is a direct correlation between certain plants and their geophysical surroundings.

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.

The Hill of Gold


I was amazed and surprised, and I took a moment to admire how beautiful this coarse chunk of gold was. It later weighed exactly one-half ounce.

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