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Small Mining Operations

Ask the Experts

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

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Ask the Experts


Centrifugal bowls versus jigs

How to Make a Rock Sled for Dredging


When my “anonymous” friend told me the rock tub was probably a hundred miles from where he safely stashed it, I decided to build another sled and improve on my old design.

What Happened to The Gold Prospecting and Mining Summit?


We continue to seek out a patented mining property with an owner who is willing to host such an event with a water supply and enough remaining gold to make it worthwhile for the students.

Crystallized Gold Mines of California


Gold specimens that include visible crystal formations are among the rarest, most attractive and most valuable forms of gold to be found.

Small-Scale Hard Rock Mining With Water Recycling


Once I have established the presence of gold in the sample, I collect five-gallon bucket quantities of the rock material for processing back at my shop.

Resurrecting An Old Hard Rock Mine—A Series of Small Victories


…we cheered and high-fived each other as the ore cart slowly crested the top of the headframe, then picked up a bit of speed on the short downhill section and came to an abrupt halt, ejecting its contents of ore…

Principles of Designing Your Mill Production System, Part I: Starting Up


One of the issues that prospectors run into when working to upscale from micro-scale hard rock testing to a greater production output, is that they often confuse individual devices or machines with systems.

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