Enrichment of Gold Veins
November 2000 by Edgar B. Heylmun, PhDMost of the world's great gold mines are in secondary (supergene) enrichments in veins and stockwork, brought about by physical and chemical processes.
• California suction gold dredging
• Water rights
• Climate change
• Two Bush rules left intact
Logging on federal land plummeted—over 84% since the 1980s. And that management tool was replaced with—nothing.
In this second part on cobalt, I will take a look at the various types of cobalt deposits and how you can prospect for them. Who knows—perhaps the next big cobalt strike will be yours.
• Employee takes 15-year vacation
• Congratulations! Nevermind...
NovaGold Resources Inc. announced that a gold prospect in southwest Alaska is ready to advance to permitting.
Albanian miners in the rocky, pine-covered hills of northern Kosovo claim it wasn't just politics or religion or even ethnicity that started their war with the Serbs.
The Bawl Mill • Our Readers Say • The Assay of High Iron Gold Ores • The Patch • History of Mining—Bradshaw Mountains, AZ (Part I) • Picks & Pans—The Green Rock, Rattlesnakes, Good Gold and Ruth's Mine • The Oretron • Silver Hill, North Carolina • Residual, Lateritic and Gossan "Soils" as Potential Nuggetshooting Sites • Hardrock in Downieville • Looking Back • Company Notes • Gold in Northern Baja California • California State Gold Panning Championship Results • Melman on Gold & Silver • V.P. Contender Addresses Mining Show