Prospecting & Detecting
Introduction to Meteorites
February 2015 by Mike Lucas
The distribution of meteorites across the planet was, at one time, thought to be random and unpredictable.
It Pays to Know Your Bedrock
On our last trip, we brought ropes and went down the first waterfall forty vertical feet, only to be confronted by a second, sixty-foot-high, overhanging waterfall that emptied into a slot canyon.
Gary It's There
This year was a test. We had never done anything like this before, yet we grossed $30,000 in the short time we had to mine.
Volume is the Key to Success
While recovery rates are important, they must necessarily be secondary to the volume of material processed. Running more material at lower recovery rates is generally preferable to increasing the efficiency of the system.
There's a First Time for Everyone
...day one was like watching the Gold Rush television show. He furiously worked the nozzle in an up and down fashion that resembled Jack Hoffman sitting on a backhoe.
A Return to Silver City, Idaho
...we were able to pull out close to another 3+ ounces of small, angular Silver City gold. This also included several more small nuggets, pieces of wire gold and some quartz-gold pieces—not bad for 4 days with a small sluice.
Revisiting the Rocker Box
The first location we worked was a small, dry ravine cutting through many mineralized zones in an area where some hard rock mining had taken place in the past.
Want to Go to Australia?
Every year there are large nuggets found by the diligent, and occasionally by the lucky newbie.
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The Bawl Mill
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• Mining for Non-Geologists Field Trip Offered by GSN
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• Prospecting for Surface Flood Gold Placers on Low and Intermediate Gradient Streams
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• Melman on Gold & Silver
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• Uniting The Small Miners
