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Prospecting for Copper Ores—Part I

Copper is one of the metals that form the backbone of our modern civilization. Copper is an essential part of every computer, cell phone, automobile and household appliance.

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Drilling for Ore


In the simplest sense, drills can be divided by their mode of action—percussion, rotary or a mixture of the two.

Have We Hit 'Peak Gold'?


According to some experts, after the peak is reached, the production rate will slowly decline until it reaches near zero while the price shoots upward. At that point, we will have pretty much mined all the economic ore deposits that are present on the planet.

A New Look at Old Mines


Exploration companies are actively looking for properties with profitable potential, even if the ground was once cast off as too low in grade to be economically viable. This is especially true in states that are reasonably friendly toward...

National Mining Hall of Fame Names 2021 Inductees


Gary J. Goldberg became President and CEO of Newmont Mining Corp. in 2013. He turned the company’s overall performance around through a disciplined focus on safety, technical fundamentals, and value over volume.

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.

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.

Hecla to Reopen Lucky Friday Mine


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