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Large Scale Mining

Carissa Gold Mine Comes Back to Life

The mine will be open for public tours Saturday and Sunday afternoons beginning August 24, lasting into the fall and winter as weather permits.

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Additional articles that might interest you...

Care and Lubrication of a Model 13 Laboratory Wilfley Table


A Wilfley table works best when all of the mineral being run across it (the pulp) is about the same size.  For this reason, I took a good look at each of the samples.

China Closing More Than 1,000 Mines


It was only a few years ago that China was taxing and limiting quantities of exports for rare earths in an effort squeeze the market, drive up prices and extract the most in the way of income.

EPA Reopens Comments on Pebble Project


The settlement did not grant an immediate approval for the project, but it did begin to clear the way for the company to apply for federal permits—a path the Obama administration previously had thwarted.

The Basics of Crushing and Milling Operations


In processing gold, silver and other valuable ores, the minerals containing the values, such as metallic gold, silver-bearing sulfides or other minerals, must be freed from the surrounding host rock before those valuable minerals can be captured.

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

Alaska: Large-Scale Mining Can Be Done Right


"As elected leaders of the State of Alaska, we want you to know that Alaska is open to investment from those who seek to develop our state's natural resources safely and responsibly..."

Comstock Mining Gets Approval


The approval, which affects 87 acres on the south end of Silver City, allows the company to move forward with exploration to determine the area's mining potential.

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