All Articles
Here Come the MineBots
June 2004 by Rolando R. Gutierrez
In March 2004, Vulcan, a mine exploring robot from the Discovery Miner Program, was shipped to the Vulture City region to investigate the conditions of an abandoned hard rock mine. The shaft was typical of the dangerous mines that are...
Microbes Play Role in Gold Creation
Researchers in Australia have uncovered evidence that a tiny microbe may have the Midas touch of Greek legend, capable of turning dust to gold.
Over the Divide
Gordon Burton
1935 - 2013
Highbanking on the Similkameen River
In digging the gravel, I found there were three flood layers present that were not there last winter, with about a foot of sand on top of the gravel. This was followed by eight inches or so of small rock and lots of broken granite material...
The Bawl Mill
• Red tape at its finest...
• With the stroke of a pen
Greenstone
Greenstone is a hard, tough, altered igneous rock, usually dark green in color. The term “greenstone” has been loosely applied to all greenish rock, including peridotite, dunite, jade, serpentine, and even hydro thermally altered rocks in mining districts. True greenstone is...
Ask The Experts: How to remove precious metals from lead?
I have a large amount of precious metals, gold and silver, mixed in with lead. Cupelling is expensive. What method can I use to extract the gold and silver without cupelling?
Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
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The Bawl Mill
• Higher Copper Price Brings Hope, Jobs
• Zeballos Gold Camp, British Columbia
• Agreement Allows Pogo Mine to Resume Construction
• Treasure Hawk Mine Back in Action
• Oregon Dredgers Receive Threats From Environmentalists
• Understanding Hard Rock Mining: Terms and Methods—Part I
• Mood at Calgary Conference is Subdued, But Optomistic
• Reinventing the Wheel—The Infinity-Jet
• Company Notes
• Endangered Species Act is a Mess
• Placer Platinum
• Agency Gives Initial Backing to Kensington Mine
• Mining Stock Quotes and Mineral & Metal Prices
• Looking Back
• Melman on Gold & Silver
• Brits Thwart Robbery of Gold and Cash
