Let us help you recover valuable metals. 888-437-1187

Magazine

All Articles

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.

Online access required. Please .

Add a Comment

Additional articles that might interest you...

Legislative and Regulatory Update


• Positive bill passes House
• Anti-mining bill dies in Washington State

MMAC & PLP Update


There are some miners who are under the impression that an organized Mining District will immediately get the regulatory agencies off their backs so they can start digging or dredging again.

Legislative and Regulatory Update


• Original Sixteen to One cleared
• Another court case settled

Using a Winch to Work Smarter, Not Harder


It’s really a kick to watch a boulder weighing several tons moving out of your dredge hole and onto the cobble pile being pulled by a cable attached to your portable winch.

Chinese Buy Out Australian Miners


Some Australian lawmakers object to allowing Chinese government companies to buy mining assets that they say are a cornerstone of Australia’s economy.

Mining Stock Quotes and Mineral & Metal Prices


Find of a Lifetime


My metal detecting hobby began about ten years ago when I bought a used metal detector for about $300. I got it specifically to look for meteorites. It was pretty much worthless, not user friendly, and I did not find anything with it.

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

Free:
Legislative and Regulatory Update

Advertisements

Garrett Electronics - trusted by real miners & prospectors!
Precious Metals Recovery plants and equipment
Fighting to keep public lands open to the public
Specializing in the processing of precious metal ores!
Watch prospecting shows on your computer right now
Free Online Sample Issue