All Articles
From the Editor
November 2001 by Scott Harn
As we all get back to “normal,” or as close to it as we can, I want to take this opportunity to thank all of our advertisers for sticking it out through the hard times.Additional articles that might interest you...
Legislative and Regulatory Update
August 2003
• Rock Creek mine approved again: environmentalists file another lawsuit
• Great Basin Mine Watch losing appeal
• Roadless Rule declared illegal again by Federal Court
• Off-highway vehicle restrictions in North and South Dakota and Montana
• Comments needed for new off-road emission and fuel standards
• California administration moves to block mining; governor faces recall
• A few pending bills...
• Rock Creek mine approved again: environmentalists file another lawsuit
• Great Basin Mine Watch losing appeal
• Roadless Rule declared illegal again by Federal Court
• Off-highway vehicle restrictions in North and South Dakota and Montana
• Comments needed for new off-road emission and fuel standards
• California administration moves to block mining; governor faces recall
• A few pending bills...
Gold Recovery with Centrifugal Bowls
July 2014
Centrifugal bowls are very efficient, and with proper operation they can consistently achieve gold recoveries above 95% with gold of about 50 mesh size.
Centrifugal bowls are very efficient, and with proper operation they can consistently achieve gold recoveries above 95% with gold of about 50 mesh size.
Tucson Mountain Chaos
January 2005
The Tucson Mountains are immediately west of Tucson, in southern Arizona, and include residential areas of the city. The highest peak, Wasson (Amole) Peak, reaches 4,687 feet. It is part of the great Basin-Range physiographic province, characterized by fault-block mountain ranges separated by broad desert valleys.
The Tucson Mountains are immediately west of Tucson, in southern Arizona, and include residential areas of the city. The highest peak, Wasson (Amole) Peak, reaches 4,687 feet. It is part of the great Basin-Range physiographic province, characterized by fault-block mountain ranges separated by broad desert valleys.
Basic Geology for the Independent Miner—Part V Geology of Hardrock Gold Deposits
May 2006
In this installment we will finish up our discussion of how primary hardrock gold deposits form. Understanding how rock alteration works can lead to some good ideas for exploring around old mining districts.
In this installment we will finish up our discussion of how primary hardrock gold deposits form. Understanding how rock alteration works can lead to some good ideas for exploring around old mining districts.
That Something Extra
July 2012
The something extra is adventure. I thank God for my gold fever. It has made so much of this adventure possible and caused my path to cross with many persons who have left fond memories indelibly imprinted in my memory.
The something extra is adventure. I thank God for my gold fever. It has made so much of this adventure possible and caused my path to cross with many persons who have left fond memories indelibly imprinted in my memory.
Rio Employees Face Trade Secrets, Bribery Charges
September 2009
China has formally arrested four employees of Anglo-Australian mining giant Rio Tinto Ltd. on charges of infringing trade secrets and bribery...
China has formally arrested four employees of Anglo-Australian mining giant Rio Tinto Ltd. on charges of infringing trade secrets and bribery...
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• How to Become a More Successful Nugget Detectorist—And Basic Information on Machines
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