All Articles
Lamproites and Diamonds
November 2002 by W. Dan Hausel
Most prospectors are aware that diamonds are sometimes found in kimberlite, but few are aware that diamonds are also found in another rock type known as lamproite. Lamproite is a very rare volcanic rock that often...
Additional articles that might interest you...
Glacial Gold in the Midwest
September 2010
Although the potential for fortunes to be made from the commercial mining of this rich glacial gravel conceivably exists, so far no large mining company has shown any serious interest in it.
Although the potential for fortunes to be made from the commercial mining of this rich glacial gravel conceivably exists, so far no large mining company has shown any serious interest in it.
Silver Boom Prompts Idaho Mine Expansion
January 2011
The Lucky Friday is already one of North America’s deepest hard-rock mines. Now, the 62-year-old mine is about to get much deeper.
The Lucky Friday is already one of North America’s deepest hard-rock mines. Now, the 62-year-old mine is about to get much deeper.
Rio Tinto: Allegations Without Foundation
August 2009
Bribery allegations against four Rio Tinto employees detained in China are “wholly without foundation,” the mining company said, as Australia continued to press Beijing for details of a case that is straining ties between the two nations.
Bribery allegations against four Rio Tinto employees detained in China are “wholly without foundation,” the mining company said, as Australia continued to press Beijing for details of a case that is straining ties between the two nations.
There’s Still Gold In Oregon’s Umpqua River
January 2008
The Umpqua River, located in the heart of western Oregon, flows for several miles nearly alongside Interstate Highway Five.
The Umpqua River, located in the heart of western Oregon, flows for several miles nearly alongside Interstate Highway Five.
Quebec Tops Nevada in Survey of Miners
April 2008
Prospectors and investors looking for a stake in the mining sector should turn to Quebec, as La Belle Province is seen by mining executives as having the best policy environment in the world for investment...
Prospectors and investors looking for a stake in the mining sector should turn to Quebec, as La Belle Province is seen by mining executives as having the best policy environment in the world for investment...
Quick Thinking & Rescue Devices Save Two Lives
June 2000
MSHA (Mine Safety and Health Administration) reports that a pair of miners used oxygen-supplying self-rescue devices to save two of their co-workers who were in danger of suffocation at the Ohio Valley Coal Company's Powhatan No.6 mine near St. Clairsville, Ohio.
MSHA (Mine Safety and Health Administration) reports that a pair of miners used oxygen-supplying self-rescue devices to save two of their co-workers who were in danger of suffocation at the Ohio Valley Coal Company's Powhatan No.6 mine near St. Clairsville, Ohio.
Legislative and Regulatory Update
February 2007
• Karuk Tribe case over, for now
• Fundraising continues
• Karuk Tribe case over, for now
• Fundraising continues
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