Revisiting Commerce Resources—A Tantalum and Niobium Mining Project
June 2007 by Leonard MelmanOne 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...
Breaking cemented gravels
...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.
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 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.
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 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.
• Changes to wetlands
• 43 CFR 3809
• Scaled-back version of CARA passes in the dead of night
• Sierra Nevada Framework
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