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Small Mining Operations

Evaluating Gold Recovery with Mass Balance Calculations

Whether you are placer or hard rock gold mining, maximizing the efficiency of your recovery process is very important to success, and accurate testing is necessary to do so.

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Gold in Guyana—Part II: Process Optimization at Sacre Coeur Minerals' Lower Puruni Alluvial Mining Project


In Part Two of my two-part series I describe the mechanized alluvial gold mining operation on the lower Puruni River launched by Sacre Coeur Minerals in 2011.

Putting Together A Small Free Gold Mill—Part II


There are many smaller old hard rock mines out there—more than you might think. There are some small hard rock properties that are even open to be claimed if one does the right amount of research to find them.

Reality of the Klondike


I saw gold this summer. The kind of gold that I haven’t seen since ‘81. The kind of gold that rattles in the pan. The kind of gold that would start a stampede—even in 1898.

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.

Mining on the Comstock Lode


Even with the decades of mining and exploration, much of the Comstock is still underdeveloped and its potential not fully tapped.

Good Assays and Bad


The high prices for gold and silver are exciting and certainly have revolutionized the prospecting and mining scene. New interest in gold and silver mining is springing up from every corner, from individual prospectors armed with gold pans to exploration and mining companies working to set up multimillion dollar commercial operations producing hundreds of thousands of ounces per year. The idea of getting riches from rocks is one that motivates a lot of folks all over the globe. It’s an exciting time, but this excitement brings out another side...

Gold in Quartz


Because quartz and gold may be deposited together across a considerable range of temperatures, not all quartz veins are the same, and there are several different types of gold-quartz deposits.

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The Bawl Mill   • Ask The Experts - Info on Santa Cruz beach placers?   • Ask The Experts - Detectors and flour gold   • Ask The Experts - Why is the gold in these clays?   • Ask The Experts - Can you explain colloidal gold?   • Ask The Experts - Where did this kimberlite come from?   • Ask The Experts - Can gold particles combine to form a nugget?   • Placer Gold Deposits in the Western States   • Clues for Detecting Ancient River Channels and Flats   • What Is Your Grade?   • State of Idaho Looks to Invest in Gold and Silver   • Colorado Uranium Mining in the 1950s Boom   • Drywashing for Desert Gold—Part II   • Decoding Dredge Capacity   • I Just Tripped Over A Nugget   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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