All Articles
Greenstone Belts in Minnesota
August 2005 by Edgar B. Heylmun, PhD
Greenstone is a dark greenish-black basaltic rock which, along with chloritized schist, forms belts up to 50 miles wide in northern Minnesota, in rocks of Late Archean age. Most belts are 2.6 to 2.9 billion years old.Additional articles that might interest you...
Another Uranium Boom in the West
October 2006
The last US uranium mill ever built, in this parched landscape near Lake Powell, shut down quickly after it started operating as nuclear power fell into disfavor about two decades ago.
The last US uranium mill ever built, in this parched landscape near Lake Powell, shut down quickly after it started operating as nuclear power fell into disfavor about two decades ago.
Mines and Money
July 2004
The “Mines and Money” gathering, held in Vancouver, BC, on May 20-21, was geared toward the upper levels of world mining executives. As such, the presentations were of a different nature than any of the gatherings covered in our publication earlier this year.
The “Mines and Money” gathering, held in Vancouver, BC, on May 20-21, was geared toward the upper levels of world mining executives. As such, the presentations were of a different nature than any of the gatherings covered in our publication earlier this year.
Training Videos From NIOSH
April 2004
Mining safety professionals can take advantage of training videos provided by the National Institute for Occupational Safety and Health.
Mining safety professionals can take advantage of training videos provided by the National Institute for Occupational Safety and Health.
Legislative and Regulatory Update
October 2003
• Administration won't appeal latest ruling on Roadless Rule
• Improved forest management plan by year's end
• IBLA rules in favor of Cortez Gold Mine and BLM
• Administration won't appeal latest ruling on Roadless Rule
• Improved forest management plan by year's end
• IBLA rules in favor of Cortez Gold Mine and BLM
New ICMJ Website Almost Here
October 2016
Over the Divide —Ronald Richard "Ron" Wendt
December 2007
We are sad to say that one our most beloved writers, Ron Wendt, passed away on November 10, 2007.
We are sad to say that one our most beloved writers, Ron Wendt, passed away on November 10, 2007.
California State and US National Panning Championships
October 2012
On Labor Day weekend, September 1st and 2nd, two days of furious, almost non-stop panning went on.
On Labor Day weekend, September 1st and 2nd, two days of furious, almost non-stop panning went on.
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• The First Mine in America
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