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Small Mining Operations

The Basics of Froth Flotation

I thought it might be worthwhile to take a look at the basics of this important mineral separation technique and how a miner can use it to recover the values out of an ore.

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PLP Update: Back to The 'Swamp' on Behalf of Small Miners


We spent the morning in a meeting with one of the higher-ups at the US Forest Service. I presented him with 412 complaints received from our readers, along with a summary of the complaints to make his job easier.

Hard Rock Milling: A Matter of Scale


Most prospectors understand placer mining a lot better than hard rock mining and don’t realize the amount of work that goes into processing different types of hard rock ore.

Progress Continues in Honduras


He had meetings with Honduran officials at all levels, set up a new corporation called Raptor Mining in El Corpus, Honduras, and is in the process of establishing a non-profit called “Step Up for Honduras.”

A Third Generation Small-Scale Hardrock Revival


One of his friends had 700 feet of small-gauge mine track and a hundred-year-old track bender laying out in his back 40; plus he also wanted to join the team. Perfect.

Crushing Quartz in Calaveras County: A Placer Miner Learns New Tricks


I had never run an impact mill before, but anything involving rocks, water and a big electric motor sounded great.

How to Refine Silver—Pt I


Silver refining has been used from ancient times to change the characteristics of the metal. Early metallurgists refined silver by heating it a couple hundred degrees above its melting point and holding the metal at an elevated temperature for a period of time.

Pumping Water With Solar Power


Solar energy can be used for any size placer or hard rock mining operation. It is most practical for small and longer-term operations provided your mine is not located in a dense forest.

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