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A Few Methods for Sampling Hardrock Deposits


With a little homework and a methodical approach to sampling, a prospector can determine if a deposit is worthy of more of an investment...

Exploring Placers with Auger Drills


Augers can be used effectively for placer exploration with certain limitations.

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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Setting up a gravity dredge

Mining for Gold and Sapphires in Montana


Fascinated by the sapphires—and the gold that occured with them—he was soon buying parcels of property and setting up his own commercial-scale gravel processing plants.

Recovering Fine Gold with Oleophilic Adhesion


Oleophilic means "affinity to or attracted to oils," and this includes gold an diamonds.
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Using Structural Clues to Locate Buried Placer Channels


They must have assumed the paystreak was spotty and had been mined out, so they never mined as close to the side of the valley as they should have.

Gold Deposits of the Ivory Coast


Ivory Coast has considerable gold reserves, and this nation has the largest area of greenstone belts prospective for gold in the continent.

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NOI or POO for small backhoe
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Prospecting Hard Rock


We panned out maybe three gold pans of the material and we were shocked at the gold that was there. This rock appeared to be rich.

Comments on Gold Rush and Bering Sea Gold Series


The 316 Mining Company has not been all that successful, but does not ever seem to learn from their past mistakes.

Hidden Value in Old Tailings


The 15 rare earth elements were discovered long after the gold rush began to wane, but demand for them only took off over the past 10 years...
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The Perfect Summer


Within the first 3 hours he and I had found pocket after pocket of gold and couldn't wait to tell Levi of our treasure.

Ask the Experts: Silent partners and mining—is it worth the risk?


Gold Placers of the Kenai Peninsula, Alaska


The biggest obstacle is that like many streams on the Kenai Peninsula, high water during the summer months from snow melt and rain can make dredging nearly impossible. The best dredging is in the colder months of the year.
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Ore testing and other advice for starting up a mining operation.

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.

Heavy Glacial Rocks and Gold in the Midwest


Over the years, I've noticed a pattern in the type of rocks associated with the best gold deposits in Midwestern glacial gravel.
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Proper Placer Sample Processing


...your sampling procedures should not be designed to catch gold your mining technique will never recover.

Ophir—Possibly the Best Kept Secret in Alaska!


...I decided to excavate the semi-frozen high-bank that was resting on a soft shale bedrock footing. Within three feet, I encountered an intrusive!

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