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Large Scale Mining

Exploration Rush at Tonopah, Nevada

A few months later, a young, greenhorn lawyer agreed to pay to have it assayed, and the quartz turned out to be rich in both gold and silver.

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The Gold, Silver and Base Metal Mines of Eureka, Nevada


...the area around Eureka, Nevada is well mineralized and seems to have a bright potential for future production of all sorts of metals.

The Montanore Copper and Silver Project


This adit will be nearly 3.5 miles long when it reaches the ore zone.

Extraction of Precious Metals Using Froth Flotation


Without this versatile group of technologies, we would be hard-pressed to produce the metals so critical to our modern way of life. The robust mining industry of today would literally not exist.

Northern Gold Mining's Garrison Gold Property


During our visit during late May, 2011, the vertical nature of the mineralized areas was clearly visible, as were numerous examples of quartz-carbonate veins in shear zones, faults and folds.

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.

Legislative and Regulatory Update


  • NEPA comments due
  • Update on latest US Supreme Court suction gold dredging appeal
  • Washington State tries to restrict suction gold dredging

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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The Bawl Mill   • Ask The Experts - A metal detector for Ghana?   • Ask The Experts - Is a detector a good return on investment?   • Ask The Experts - Concern that gold and silver aren’t considered critical?   • Prospecting Old Mine Dumps With A Drone   • Hard Rock 101: Blasting With Kinepak Explosives   • Ancestral Yuba River Placer Gold Deposits   • It's Not Always El Dorado   • Gold Prospecting for Better or Worse: Coyote Poop Gold   • National Forest Closures in California   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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