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Gold in Jasperoid
February 2000 by Edgar B. Heylmun, PhD
Jasperoid is a jasper-like siliceous rock, in which chalcedony or cryptocrystalline quartz has replaced limestone, dolomite, or shale. It forms the gangue of many important ore bodies. It is stained by iron and manganese oxides into shades of...
Over the Divide
Lesa Dale Barton, formerly of Armadillo Mining Shop of Grants Pass, Oregon, passed away September 6, 2006 after bravely fighting cancer for several months.
Emergency Dredging Closures in Washington State
The Washington Department of Fish and Wildlife (WDFW) issued emergency rules without public comment just prior to our publication deadline.
One of the Richest Beaches Ever Mined
Everyone has heard of the golden beach at Nome, but Nome did not have the richest beach.
No Mining / Logging on 40 Million Acres
Roadless areas in 35 states would be affected under the plan.
Our Readers Say
• "...her demise has hurt this industry beyond comprehension"
• "...the mining community suffered the loss of a good friend."
• "...they would like to host the international gold prospectors community"
Small Mine Selective Blasting
Drill holes in a mineralized vein often penetrate hidden layers of poor ore which, after blasting, end up diluting the production quality. Disseminated gold ores carrying two ounces per ton may be identical in appearance to adjacent vein material...
Dollar Must Slip for Gold to Rise
Gold prices won't be on the rebound anytime soon, so World Gold Council Chairman John Willson is telling miners they have to eke by with the current depressed value of the metal.
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The Bawl Mill
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• State's Only Gold Mine Processes Last Precious Ore
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
• Looking Back
