Dealing With Hot Rocks and Mineralization
January 2021 by Chris Ralph
What about all that noise coming from the ground? What is a prospector supposed to do about that?
When it was all setup and running, you had everything coming off the dredge riffles into the boil box. At the hole section, some of the water got sucked down and pulled a lot of black sand and over heavies…
I’m sure we all have, at some point in time, gone out detecting and ended up not having the success we thought we would have. Here are some helpful game-changers that work for me and may work for you, as well.
If the material drops down out of the hopper too fast, it can overwhelm the riffles and you can blow the gold right out. If it runs too slowly, the riffles can clog up and the process is too slow.
Many years ago I was in the American Canyon. I remembered a few details about a placer deposit there, so we decided to make a trip down and re-check some of these old workings.
Pumps can be set up quite a distance away horizontally from the sluice, even hundreds of feet. It will work so long as there is sufficient water at the source where the pump is located. Vertical distance is more of a problem than horizontal distance; 30 to 40 feet is the maximum vertical climb for most pumps.
Doubters be informed, yes, there is gold in Africa—lots of gold—and all the good and bad that comes with it.
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