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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.Working the Belmont Mine Butte, Montana—1953
Waiting to go underground in the Belmont Mine in Butte, Montana, I hoped that I didn’t look like a green college kid. I enjoyed watching the ropes run through the sheaves at the top of the head frame as the shaft crew was busy changing over...
Countries Want More Concessions From Miners
Bulgaria has followed the recent moves of Mongolia and Venezuela, demanding renegotiation of existing agreements and more concessions from mining companies.
Melman on Gold & Silver
The Province of British Columbia, one of mining’s most active venues, has just issued a clear warning call to all miners that regulatory changes are on the way, and they may not be welcome ones…
The Dredge Report
As a plaintiff in one of the lawsuits, I’m not allowed to talk about specifics in the court-ordered negotiations currently underway in San Bernardino. However, I do want to let you know we are making progress…
Great Panther Silver
The company acquired the Guanajuato Mine Complex in 2005, and since that time they have carried out extensive drilling programs, both from surface and underground, with particular emphasis being placed on the Cata Clavo Zone.
Gold Near Boulder, Colorado
Several mining districts near Boulder, Colorado mark the northeast end of the 240-mile-Iong Colorado Mineral Belt, which cuts diagonally across the Rocky Mountains.
The Silver, Gold and Gemstones of Candelaria, Nevada
The Candelaria area is of interest to prospectors not just for silver, gold and other metals, but also for the beautiful gemstones found there.
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