All Articles
In Pursuit of Gold & Silver in the Sierra Madres—The Tejeda Mines
April 2007 by Mike Lowen
One of our claims, “concessions” in Spanish, lies atop a mountain approximately 15 miles Southwest of our Pueblo. It is reached by a dirt track that starts in Arivechi. We leave the Pueblo and drive up...
McCaw School of MInes Dedicates Phase II
The McCaw School of Mines in Henderson, Nevada, dedicated Phase II of their unique mining school for kids.
Ask the Experts — What are Washington state prospecting regulations?
Q: I moved to Washington State in September of 2006. After recently downloading the Washington Gold and Fish Regulations, I was stunned to learn that it will be nearly impossible to prospect or work a located claim in the state of Washington…
The Tangential Impulse Water Wheel in California Gold Mining History—Part I
The modern tangential impulse water wheel, a device best suited for hydroelectric power production where high water head is available, is an ingenious device born in the historic gold mining industry of California in the 19th Century.
Mud Men: Pocket Miners of Southwest Oregon Part III
The amount of gold in the traces from the low-grade scattered veinlets may be much more than the traces from the small but rich pocket, at least until the pocket hunter closes in on the rich pocket. Further confusion arises if the prospector stumbles across a placer deposit on one of the higher peaks.
The Fire Assay of Fly Eyes
Colorado-Utah-Wyoming oil shale was first reliably discovered to contain gold and silver by the U.S. Bureau of Mines in the 1920s. Although most of this vast shale resource, up to 1,000 feet in thickness, contained nil or barely detectable values, many brown shale samples fire assayed here over the past thirty years have yielded up to 0.02 ounces per ton (opt) Au and 2.0 opt Ag.
Feds Order Closure of Idaho Mine
Federal safety inspectors have ordered one of the nation’s deepest underground mines closed in northern Idaho following an investigation prompted by a series of accidents that killed two miners over the last year.
Using Geologic Publications to Discover Collecting Sites
I understand that a person without geological knowledge could be daunted reading a geological publication. You can pick out the good stuff from a geological publication without a lot of geological knowledge.
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The Bawl Mill
• Ask the Experts—How do I remove gold from black sands?
• Ask the Experts—How did the bill to address RS 2477 pan out?
• Ask the Experts—How can I separate gold from carbon?
• Wild and Scenic Rivers Act (P.L. 90-542, as Amended)
• Platinum Placers and Nuggets
• The Business of Mining—Family Mining Business Tax Savings
• Successful Nugget Hunting
• Oregon Miners Update
• The Prevleator
• Mining Boom Is Back In Northern Nevada
• Lease Issued For Potential Mine Near Mount St. Helens
• Looking Back
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
