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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.Our Readers Say
• "Fighting Back..."
MMAC Update
This is the third trip MMAC has made to DC this year, so some of the congressional staff members are gaining a better understanding of the current problems miners face and how MMAC-assisted Mining Districts can alleviate those problems.
California State Gold Panning Championships
This year’s 2015 California State Gold Panning Championships were wild and hectic.
USPS Delays ICMJ Delivery at Oakland, CA Processing Center
Once again, we've been deluged with telephone calls complaining about delivery of the International California Mining Journal...
Melman on Gold & Silver
Budgetary deficits can be reversed by a combination of only two factors; increasing revenues and decreasing expenditures, and we would prefer a combination of both factors occurring simultaneously. Unfortunately, it appears to us that President Obama failed to respond to such simple considerations.
Ask the Experts
Breaking cemented gravels
Cedros Island, Mexico
Cedros Island, 134 square miles in area, lies in the Pacific Ocean, 14 miles off the west coast of Baja California. It is 265 miles south of Ensenada and 340 miles south of San Diego. It is one of the few Mexican islands that is inhabited, with the fishing village of Puerto Cedros having a population of 400.
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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
