All Articles
Sulfides, Selenides and Tellurides
June 2007 by Chris Ralph
The early day miners feared it, and it happened a lot more often than they would have liked: the easily worked rich surface ores they discovered gave way as they mined downward to a vein full of sulfides, base metals and other nasty, rebellious and...
Legislative and Regulatory Update
• Norton treasures environment but environmentalists worry
• From the National Forest Service
• Suit Filed Against Roadless Initiative
• New EPA rules restrict ombudsman
• Forest Service Sierra Nevada plan is even opposed by Feinstein
Ask the Experts - processing plants that can extract rare earth metals
Q: Do you know of any processing plants that can extract rare earth metals?
Legislative and Regulatory Update
• ESA changes proposed
Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Harshaw's Silver Days
In the Patagonia Mountains east of Nogales, Arizona, between the famed ruins of Mowry and the quaint old mining supply center town of Patagonia lies the remains of Harshaw, once a thriving mining camp in its own right.
Detecting Wet Ground Yields More Fun Than Gold
We all continued over to another location at the top of a massive placer operation. Arriving at the draw, I showed everyone where gold had been found before and we all began detecting.
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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
• 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
• Revisiting Commerce Resources—A Tantalum and Niobium Mining Project
• The Seventymile and American Creek Goldfields
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
