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.Silver City Prospecting Adventures
I got to Silver City late on a Friday night (OK, it was 2:30am Saturday morning), and the first few snowflakes began to fall as I pulled into the campsite.
Take a Kid Detecting
I thought things started off okay until I realized I had forgotten some of my gear and had to return to the house. My troubled start was not helped when my boy came up to me a few minutes after my return to show me his first nugget of the day.
The Bawl Mill
• We spend taxpayer money on this...
• ...but hold back on this.
The Bawl Mill
• Unsustainable is an understatement
• Famous last words...
• Their good deed did not go unnoticed
• Truth in Advertising
The Bawl Mill
• A true alarm clock
• No better time to roast a pig
• By the numbers…
Melman on Gold & Silver
Other economic commentators have joined in regarding the sounding of alarms. Retired Republican Congressman and presidential candidate Ron Paul feels financial markets could drop a stunning 50%...
Subscription Required:
The Bawl Mill
• Our Readers Say
• Siskiyou National Forest Update
• Company Looks at Restarting Sunshine Mine
• Piedmont Gold
• Gold & The Dollar
• 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
