Large Scale Mining
The Struggle to Reopen Alaska's Largest Gold Mine
November 2012 by Frank Lorey III
The historical AJ mine, located east of Juneau, Alaska, was considered the largest gold mine in the state at one time. Joe Juneau and Richard Harris struck gold there in 1880, and it has been more recently known as a tourist destination.Gold Pour Signals Revival in the Mother Lode
Miners are digging again where their forebears once unearthed riches from eight historic mines that honeycomb Sutter Gold Mining Company’s holdings about 50 miles southeast of Sacramento.
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.
Drilling for Ore
In the simplest sense, drills can be divided by their mode of action—percussion, rotary or a mixture of the two.
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.
Critical Minerals Update
The critical metals are essential to the modern lives we lead. The prices of critical metals are moving up even faster than government published rates of inflation, with little sign of slowing down.
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.
BLM Issues Environmental Review of Wyoming Uranium Mine
If all goes well before the BLM issues its final approval, Littleton, Colorado-based UR-Energy could start building the Lost Creek mine by early October, according to company and BLM officials.
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• Prospecting With a Detector: Lessons Learned
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