All Articles
The Fire Assay of Fly Eyes
July 2002 by Dr. Ralph E. Pray
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.California Suction Dredging Update
There are two separate issues threatening suction dredging in California.
Opening Ceremony for Buckhorn Mine
“When the mine is in full operation, it will be the biggest private sector employer in Ferry County and bring significant economic benefits to the region..."
A Few Tips and Tricks for Beach Mining
When you think about the extremes to which a miner will go to get a little gold, it occurred to me beach gold could be "easy pickings."
Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
How to Recognize Hard Rock Gold Ores
I regularly get inquiries along the line of: “Hey, I found this rock, and I think it might be gold ore. How can I tell?” Prospectors are always on the lookout for gold-bearing rocks that may be the source of any nearby placer gold.
Picks & Pans: The Glory Hole
I started the New Year of 1998 with great anticipation of finding that elusive vein of gold. Twice a year I planned my vacation carefully, not to miss the Fourth of July and Labor Day weekend. I wanted to be smack in the heart of the Downieville gold field.
Letter to the Editor—From Mike Miller, President, Original Sixteen to One Mine
"Original Sixteen to One Mine, Inc., has emerged from a deep dark abyss created by an agency's bias interpretation of the law. We have made it known that those who make, pass and/or reject the law have generated travesties against our hard working underground gold miners."
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• Company Looks at Restarting Sunshine Mine
• Piedmont Gold
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• Picks & Pans: Exploring Wyoming's High Desert
• Sons of Gwalia & Herbert Hoover
• Looking Back
• Prospecting on the Yukon River
• Placer Gold in Arizona
• Bill Could Create New Silver Market
• 2002 Inductees to the National Mining Hall of Fame
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
• Mystery of Olmec Jade Solved
