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Small Mining Operations

Resurrecting an Old Hard Rock Mine—Setting Up the Millsite

One of the first things we did while looking at buying the equipment was figuring out how it would dovetail into the milling process we already had in mind.

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Using Structural Clues to Locate Buried Placer Channels


They must have assumed the paystreak was spotty and had been mined out, so they never mined as close to the side of the valley as they should have.

Underwater Reclamation


Working underwater certainly has its challenges, but since I wanted to learn how to blast underwater, I just  needed to dive in headfirst and take charge of the operation.

Customizing Your Dredge


I am going to suggest dozens of ways you can increase suction power, dredge to greater depths, and improve recovery methods in your sluice box.

Resurrecting An Old Hard Rock Mine--The Saga Continues


Another little gem of equipment he built was a nifty sample splitter. In order to get accurate assays, you need to have really good, representative samples for the assayer to process.

Hardrock 101


Scaling and Hazard Rock

Breaking Boulders With Explosives


The process we will be using is called “blockholing,” and it is commonly used at mines and in construction projects to break up oversize material into sizes that can be easily handled.

High Sulfidation Epithermal Deposits


They tend to be big, coming in large to extremely large sizes. They can also be amazingly rich and produce huge amounts of very high-grade ore.

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The Bawl Mill   • Our Readers Say Re: It's Time to Get the Heck Out of China   • Ask The Experts - What’s the status of suction gold dredge permitting in California?   • Ask The Experts - How do I properly and safely dispose of blasting caps?   • Ask The Experts - How much silver per ton does it take to make a mine profitable?   • Ask The Experts - How clean do my gold concentrates need to be to pour a gold button or bar?   • Ask The Experts - What is the name and model of the old jaw crusher pictured in last month’s issue?   • Dredging Tips and Tricks: T-80 Air Compressor Maintenance   • Hard Rock 101: Mechanical Techniques   • Clearing the Nugget Trap with a Detector   • Desert Prospecting Yields More Than Just Gold   • Memories of Shirttail Creek, Northern California   • Indictments Pile Up for Gold Traders   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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