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.
I thought I’d try something totally different—a large area of small material tailings. After about an hour of digging and test panning we both had more gold than all the other digs combined.
It was down deeper than I expected for surface trash. It wasn't until I was down six inches that the target screamed from my scoop.
Excerpts from Northwest Underground Explorations' soon-to-be published "Discovering Washington's Historic Mines, Volume 2—Mines of East Central Washington State."
The great mining geologist Waldemar Lindgren used the word “epithermal” to describe a type of quartz vein commonly found in desert regions of the United States and Mexico.
Each year the World Gold Panning Association (WGPA) holds a world championship in one of the twenty countries that are members. The decision as to where to hold each championship involves many factors...
Bodie, California, in its heyday, was once rumored to be one of the roughest and most lawless towns in the American West.
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