All Articles
The Trapiches of Chile
October 2000 by Dr. Ralph E. Pray
In Chile, the trapiche (tra-peach-ee) method of milling gold ore began more than 400 years ago. The first trapiche, also known as a Chilean mill, was a stone wheel weighing two or three tons rotating on an axle.Additional articles that might interest you...
Company Notes
January 2007
Barrick Gold's Golden Sunlight mine; Everton Resources, Globestar Mining search for gold and copper in the Dominican Republic; NovaGold Resources' Galore Creek Project
Barrick Gold's Golden Sunlight mine; Everton Resources, Globestar Mining search for gold and copper in the Dominican Republic; NovaGold Resources' Galore Creek Project
3D-Printed Tools for Prospecting
September 2021
…these two guys are part of the new hi-tech generation who review new technologies and are always looking for new ways to apply them in innovative fields!
Remote Mining Camps of Yuma County
October 2006
The remote desert of southwestern Arizona was an attraction only because of the gold and other minerals that were found there. Certainly the weather was not a draw! The early mining days were tough—the mines were a long way from supplies, and hostile Indians made travel in the area extremely dangerous.
The remote desert of southwestern Arizona was an attraction only because of the gold and other minerals that were found there. Certainly the weather was not a draw! The early mining days were tough—the mines were a long way from supplies, and hostile Indians made travel in the area extremely dangerous.
Jury: Gov't Rightfully Seized 1933 Gold Coins
August 2011
The verdict capped an unusual civil case that combined history, coin collecting and whether the $20 “double eagles” ever legally left the US Mint.
The verdict capped an unusual civil case that combined history, coin collecting and whether the $20 “double eagles” ever legally left the US Mint.
The Notch Peak Intrusive
October 2005
Located about thirty miles west of Delta, Utah, just to the north of Highway 6-50, is a tall rocky crag with an apparent notch missing from the peak. This is Notch Peak.
Located about thirty miles west of Delta, Utah, just to the north of Highway 6-50, is a tall rocky crag with an apparent notch missing from the peak. This is Notch Peak.
Mining Stock Quotes & Mineral and Metal Prices
August 2011
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The Bawl Mill
• A Word from the Editor
• Under the Guise of Environmental Protection—EPA Revealed
• The Centennial Lode and the Centennial Ridge District, Wyoming
• Company Notes
• Picks & Pans—In Search of Nome Creek Gold
• Massive Sulfide Deposits in Oregon
• Recreational Dredging on the South Yuba River
• Tales of Liberty Gold
• Drywashing Alluvial Placers
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
