All Articles
Diamond Exploration and Mining Heating Up in North America
September 2004 by Staff
Diamond exploration in Canada has led to a major new industry that did not exist prior to six years ago. Yet today, Canada ranks as one of the world’s leading producers of gem-quality diamonds.Additional articles that might interest you...
Lamproites and Diamonds
November 2002
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...
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...
Looking Back
July 2008
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Placer Gold in Washington
February 2001
The state of Washington is not especially known for placer gold, yet significant amounts have been recovered in a few districts. These deposits are usually downstream from lode mining areas, some of which are in British Columbia.
The state of Washington is not especially known for placer gold, yet significant amounts have been recovered in a few districts. These deposits are usually downstream from lode mining areas, some of which are in British Columbia.
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.
Ask the Experts
April 2012
Q: Graphite spray to prevent sticking when using cast iron molds
Q: Graphite spray to prevent sticking when using cast iron molds
Waldo Miners File Suit
October 2003
On August 29, 2003, the “Miners” (Waldo Mining District, along with Bob & Lesa Barton of Armadillo Mining Shop) filed Complaints in US District Court for the District of Oregon (Medford) against the United States Forest Service, Scott Conroy (in his official capacity as Forest Supervisor of the Siskiyou National Forest), and Secretary of Commerce Donald Evans.
On August 29, 2003, the “Miners” (Waldo Mining District, along with Bob & Lesa Barton of Armadillo Mining Shop) filed Complaints in US District Court for the District of Oregon (Medford) against the United States Forest Service, Scott Conroy (in his official capacity as Forest Supervisor of the Siskiyou National Forest), and Secretary of Commerce Donald Evans.
Critical Metals: Copper
May 2012
From time to time I’ve been doing a series on critical metals and how important they are to our complex and technological society. This month we are going to take a look at copper, and how important that metal is to our modern lives.
From time to time I’ve been doing a series on critical metals and how important they are to our complex and technological society. This month we are going to take a look at copper, and how important that metal is to our modern lives.
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Please Note:
• The Bawl Mill
• Kerry Proposes Large Fees on Miners
• Is a Gold Rush Coming to the Iron Range?
• The Klamath Oldland
• Baker City is Defined by Gold Rush
• Picks & Pans: George Duffy Jr.—Pocket Miner Extraordinaire
• Coeur Alaska Hopes to Begin Work on Gold Mine This Fall
• Crater of Diamonds, Arkansas
• Company Plans to Develop Cabinet Mountains Mine
• I-147 Before Montana Supreme Court
• Gold in Serbia
• Looking Back
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
