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Discovery of the Mountain Pass REO Deposit
May 2001 by Edgar B. Heylmun, PhD
How does one go about discovering a rare earth oxide (REO) deposit when he is not familiar with the rare and unusual rocks and minerals that are found in such deposits? That was the case at Mountain Pass, California, yet the deposit was eventually discovered and mined.Judge Rules Against Dredger in Idaho Civil Case
The path to winning this case should have been to make the plaintiffs prove that a foreign substance was introduced and then discharged, which is the “trigger” for regulations under the Clean Water Act.
Hard Rock 101: Blasting With Kinepak Explosives
Fortunately, there are products on the market that can address these problems and make a small-scale mining operation feasible.
Kennecott Copper Mine, Kennecott, Alaska
For approximately 30 years, the mines produced good ore, some so rich it was simply sent straight to bagging, bypassing milling and loaded directly on the rail cars.
Has Senator Harry Reid Worn Out His Welcome?
Senator Majority Leader Harry Reid, once a staunch supporter of mining and a voice of reason when dealing with public lands issues, seems to have changed his tune.
Melman on Gold & Silver
It started out as a modest tropical depression near the Bahamas and was forecast to hit the east coast of Florida and then peter out over land. Then it was forecast to hit south Florida and strengthen moderately over the Gulf of Mexico before hitting the Florida Panhandle as perhaps a Category One hurricane.
Ask The Experts
Replacing cloth on a drywasher
East-Coast Nugget Shooting Myths, Challenges And Tricks
November 2023
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The Bawl Mill
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• The Golden Triangle of Sonora, Mexico
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• Placer vs. Lode Gold
• Gold Tellurides: Tellurium, an Assay Impurity
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• Gold in Guatemala
• Bush Taps Utah Resident for Labor Post
• Looking Back
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
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