All Articles
Turquoise Mining—Labor Intensive, But Worthwhile
June 2005 by Chris Ralph
For many years, the US had a historical tradition of small-scale mining. Individuals or small groups of miners would spend part of the year working the higher-grade sections of old mines and ship the high-grade ore to smelters or...
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Rahall Proposes Bill to End All Mining in the U.S.
March 2009
H.R. 699, the Hardrock Mining and Reclamation Act of 2009, should be labeled H.R. 666 because it appears to have been written by the Devil himself.
H.R. 699, the Hardrock Mining and Reclamation Act of 2009, should be labeled H.R. 666 because it appears to have been written by the Devil himself.
The Guaniamo Diamond Area, Venezuela—Part II
August 2010
The apparent high grade of the ore deposits and the quality of the diamonds seem to clearly indicate that a profitable mining venture could be established on the kimberlite sills...
The apparent high grade of the ore deposits and the quality of the diamonds seem to clearly indicate that a profitable mining venture could be established on the kimberlite sills...
Gold in Sonora
December 1999
The state of Sonora, slightly smaller in area than Utah, lies in-northwestern Mexico, adjoining Arizona to the south. It is characterized, on the east, by a high volcanic plateau, the Sierra Madre Occidental, which forms its boundary with Chihuahua.
The state of Sonora, slightly smaller in area than Utah, lies in-northwestern Mexico, adjoining Arizona to the south. It is characterized, on the east, by a high volcanic plateau, the Sierra Madre Occidental, which forms its boundary with Chihuahua.
A Trip to Tucson 2000
April 2000
The stage was set for a great time, as better than 100 mining artifact collectors from all over the world gathered for the 6th Annual Tucson Arizona show. Many of us didn't even seem to mind the heat of the desert...
The stage was set for a great time, as better than 100 mining artifact collectors from all over the world gathered for the 6th Annual Tucson Arizona show. Many of us didn't even seem to mind the heat of the desert...
Exploration, Development and Taxes
May 2007
Further demonstrating the importance of seeking professional assistance and advice are the tax rules governing the expenses of a mining company. The tax treatment of mine exploration and mine development costs is confusing, complex and often overlooked or ignored—except by the ever-vigilant Internal Revenue Service.
Further demonstrating the importance of seeking professional assistance and advice are the tax rules governing the expenses of a mining company. The tax treatment of mine exploration and mine development costs is confusing, complex and often overlooked or ignored—except by the ever-vigilant Internal Revenue Service.
Comstock Mining Gets Approval
February 2014
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.
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.
Prospecting Underground: Use Caution
April 2011
In underground placer work, the contact point of the bedrock tunnel and the gravel is a very weak point and always has to be timbered. The bedrock here is thin, fractured, and the gravels loose from many years of oxidizing.
In underground placer work, the contact point of the bedrock tunnel and the gravel is a very weak point and always has to be timbered. The bedrock here is thin, fractured, and the gravels loose from many years of oxidizing.
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