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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...
One Potato, Two Potato...
Normally the detector he was using would sound off with a definitive high-to-low tone when passed over a piece of gold, which distinguished the gold from the many high iron content "hot rocks," but this one was different...
Enrichment of Gold Veins
Most of the world's great gold mines are in secondary (supergene) enrichments in veins and stockwork, brought about by physical and chemical processes.
Platinum Firm, Palladium to Remain Weak
Platinum and palladium demand and prices continued to move in opposite directions in 2002, according to Johnson Matthey (JM) in Platinum 2003.
Mining Stock Quotes and Mineral & Metal Prices
Prison Time Handed Out for Gold and Silver Thefts
The ringleader of former mining workers accused of stealing $1.7 million in gold and silver from Cripple Creek & Victor Gold Mining is headed to prison, prosecutors said.
Melman on Gold & Silver
…for a change, it is time to turn away from the Trump-Mueller frenzy and concentrate once again on some of the other sources of information which can present us with valuable information related to our precious metals.
Surging Gold Prices Burn a Few Unlucky Mining Firms
The extraordinary rebound in gold prices is claiming some unlikely victims—a few of the gold mining companies themselves.
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The Bawl Mill
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• Foreigners Lure Mining Partners
• Pacific Island Gov'ts Focus on Undersea Mining
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• Underground Geologic Mapping
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• Visionaries, Scoundrels, and Gamblers
• Executive Defends Special Mill Site Exemption
• Chasing the Ghosts of Forty-Niners
• Washoe County Balks at Black Rock Desert Plan
• State's Only Gold Mine Processes Last Precious Ore
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
• Looking Back
