All Articles
Border Silver
January 2003 by Edgar B. Heylmun, PhD
There is a sizable area that straddles the U.S.-Mexico border where native silver occurs in shear zones at relatively shallow depths. The district is in the low but rugged Pajarito Mountains, the highest point of which is 5,838 feet at Cerro Ruido, on the Mexican side. The deceptively rough terrain forced the first border surveyors, in 1855, to kill several mules and horses because of their injuries.The Wild Rush to Find More Cobalt—Part I
While some future cobalt will come from recycling lithium batteries and other products, the coming huge need for cobalt is virtually a perfect storm of heavy demand and insufficient supply.
The Rocks that Burn—Part II Is Oil Shale the Answer?
Opinions among experts in the energy business concerning present day oil shale development vary widely. Some think that more stringent energy conservation measures would make large-scale development of lamosite resources...
ICMJ Again Matches Funds For PLP Donations
In the meantime, PLP continues to incur costs associated with several ongoing court cases filed on behalf of the mining community. To contribute to their efforts, we are again offering to add twenty-five cents to every PLP donation made between...
Alaska Miners to Sue Department of Interior
The Alaska Miners Association announced that it will sue the Department of Interior to set aside Solicitor John Leshy’s “midnight” regulations designed to drive the mining industry out of business in Alaska.
The Golden Surprise
The thing about large coil, deep ground, big nugget detecting is the mind set you have to implement, which is completely different to the assuredness of a nugget or two if you chase the smaller but more prolific weights.
Melman on Gold & Silver
What a difference a year makes. It makes one wonder if we still live on the same planet!
Alluvial Fans
Alluvial fans are essentially dry land “deltas” which can be found in all climates. However, they are best developed in arid and semi-arid regions, where they may be many square miles in area. They are built up by outpourings of silt, sand, and gravel caused by seasonal run-off, as well as by boulders and cobbles carried by flash floods.
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The Bawl Mill
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• The Patio
• Looking Back
• Melman on Gold & Silver
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