Small Mining Operations
Conductive Minerals and Your Metal Detector
August 2014 by Chris Ralph

Speed Prospecting for Hard Rock Gold
An online video gave me some ideas, and with a lot of trial and error I developed a reliable method of panning free gold particles down below 35 microns quickly and easily.
Guinea Africa: Gold, Ebola, and a Monkey Barbecue

Dredging Backwards?

Dredging Tips and Tricks: A Measure of Water Pump Efficiency
…as an academic argument, when mated to the appropriate engine, is the pump really moving water at the rate of 400 GPM?
Conductive Minerals and Your Metal Detector

What Do You Need For A Successful Micro-Scale Mine?
For simplicity, I will assume that you wish to make enough profit so that you can comfortably pay your bills using just the profits from the mine.
Placer Sampling for the Small-Scale Miner
I have seen many samples taken originally with an eye toward getting the highest grades possible, but later someone claims that those results represent an average grade of the whole gravel deposit.
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