All Articles
Serpentine in California
May 2000 by Edgar B. Heylmun, PhD
Serpentine, as used in this article, is both a rock and a mineral. The rock should be termed "serpentinite," but the word "serpentine" is in common usage for both the rock and mineral.Additional articles that might interest you...
Ask the Experts: gold per ton; improving assay method
May 2012
Q: How much gold do I have per ton and how can I improve my assay method?
Q: How much gold do I have per ton and how can I improve my assay method?
The Bawl Mill
June 2001
• Energy conservation? Or investing in power?
• Collecting Dividends from the "Brown" fund
• Come rain, sleet, or snow...
• Energy conservation? Or investing in power?
• Collecting Dividends from the "Brown" fund
• Come rain, sleet, or snow...
Wild and Scenic River Prospecting—North Fork of the American River
September 2012
Today it is getting tougher and tougher to find a place to prospect. There is one significant haven left for the small miner...
Today it is getting tougher and tougher to find a place to prospect. There is one significant haven left for the small miner...
The Bawl Mill
April 2008
• It’s a record-breaking year!
• Soybean fuels are not for the birds...or fish
• Cooler temps may put a freeze on Global Warming?
• Wasting more of your money
• It’s a record-breaking year!
• Soybean fuels are not for the birds...or fish
• Cooler temps may put a freeze on Global Warming?
• Wasting more of your money
Our Readers Say
February 2004
• "...large advances have been made in the field of micron gold recovery..."
• "I enjoy the technical information..."
• "...large advances have been made in the field of micron gold recovery..."
• "I enjoy the technical information..."
Critical Metals: Antimony
June 2016
I’ve been taking a look at the mining and uses of a number of critical metals in series of articles, and it’s time to take a look at antimony.
I’ve been taking a look at the mining and uses of a number of critical metals in series of articles, and it’s time to take a look at antimony.
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The Bawl Mill
• Guest Editorial—Sentaor Craig of Idaho Looking Into MSHA Complaints
• Guest Editorial—Changing the Rules
• Gold Prospecting on Sixmile River
• Town Hall Meeting in Sierra City, California
• Picks & Pans: Tips for Nuggestshooting—How to Increase Your Gold Finds (Part II)
• An Unusual Death in Downieville's Gold Rush
• Metals and Precious Stones in Wyoming
• Looking Back
• Gold at Dale, California
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
