All Articles
Revisiting Commerce Resources—A Tantalum and Niobium Mining Project
June 2007 by Leonard Melman
One of the most intriguing company articles we have written during the past few years was based on our late Spring 2005 visit to Commerce Resources’ tantalum and niobium project in the towering mountains of east-central British Columbia...
Additional articles that might interest you...
Ask the Experts
March 2014
Breaking cemented gravels
Breaking cemented gravels
Melman on Gold & Silver
March 2012
...here in America, another legislative financial crisis was averted as the National Debt limit was extended in January to $16.394 trillion. Only one year ago the authorized debt limit was a “mere” $14.294 trillion.
...here in America, another legislative financial crisis was averted as the National Debt limit was extended in January to $16.394 trillion. Only one year ago the authorized debt limit was a “mere” $14.294 trillion.
Enrichment of Mineral Deposits by Weathering—Part II
April 2016
While both zinc and lead deposits also are enriched by the surface weathering process, in part two we will look at the enrichment process for copper and also gold deposits, and at the interpretation of leached outcrops to figure how rich the concentrated deposits below them may be.
While both zinc and lead deposits also are enriched by the surface weathering process, in part two we will look at the enrichment process for copper and also gold deposits, and at the interpretation of leached outcrops to figure how rich the concentrated deposits below them may be.
The Hanging Tree
January 2001
The Big Swede was working his pan trying to get rid of the black sand. Usually there were others at the river, but on this day he was there alone. He figured that most of the other fellow miners were either doing their laundry, or working.
The Big Swede was working his pan trying to get rid of the black sand. Usually there were others at the river, but on this day he was there alone. He figured that most of the other fellow miners were either doing their laundry, or working.
Piles of Gold
September 2015
These gritty clay lines were only a quarter of an inch up to three inches wide. Once the line had been laid out, they would look at the wall of gritty clay material and seek more indicators.
These gritty clay lines were only a quarter of an inch up to three inches wide. Once the line had been laid out, they would look at the wall of gritty clay material and seek more indicators.
Asarco Accepts Phelps Dodge Buyout
November 1999
Asarco Inc. accepted a sweetened buyout offer from Phelps Dodge Corp., setting up a three-way, $2.9 billion deal that will make Phelps Dodge the world's largest copper producer.
Asarco Inc. accepted a sweetened buyout offer from Phelps Dodge Corp., setting up a three-way, $2.9 billion deal that will make Phelps Dodge the world's largest copper producer.
Legislative and Regulatory Update
February 2002
• Changes to wetlands
• 43 CFR 3809
• Scaled-back version of CARA passes in the dead of night
• Sierra Nevada Framework
• Changes to wetlands
• 43 CFR 3809
• Scaled-back version of CARA passes in the dead of night
• Sierra Nevada Framework
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The Bawl Mill
• Ask the Experts—What is barite used for?
• Ask the Experts—Are you able to advise me on the status of HR3824?
• Our Readers Say
• Sulfides, Selenides and Tellurides
• Silver’s Shine is Back
• Rahall Looks to Rewrite 1872 Mining Law
• San Francisco Mint and US Gold Reserves
• Forest Service Attempts to Close Public Access
• The Seventymile and American Creek Goldfields
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
