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Small Mining Operations

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Q: How do I improve my small-scale mining operation’s gold production?

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River Dredging vs. Creek Dredging—Part II


While river dredging in fast water, don’t be afraid of being swept out of your dredge hole by the current. If this happens—and it most certainly will in fast water—there is no need to panic. Don’t try to swim against the current because you will waste much energy in an effort to conquer the river. Just let it take you downstream.

Ask the Experts


Ore testing and other advice for starting up a mining operation.

Some Tips and Tricks for Dredgers: Determining Pulley Size and Belt Length


If Epd is larger, then the compressor will be spinning faster than the manufacturer’s maximum specified RPM and might destroy itself. If this happens, then the compressor again might not produce enough air to support a diver. Neither is a desired outcome.

Practical Advice for Milling Hard Rock Ores


The problem is that extracting gold from hard rock is often a lot more difficult than processing placer gravels. Still, there is some very high-grade ore out there in many old mining areas.

Hard Work Pays Off On Hard Rock


They worked their plan, bit by bit, and sure enough, after the blast, gold was detected… Over two pounds of beautiful crystalline gold was recovered in that stretch!

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.

A Test Grid Dredged for Gold Values


The evaluation must also consider the gold fineness or purity. The purity of the Sugardaddy nuggets is estimated at 850 fineness, meaning 85% is gold (Au), 12% is silver (Ag) with 3% being other gangue alloyed metal.

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