The Trapiches of Chile
October 2000 by Dr. Ralph E. PrayIn 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.
Excerpts from CMJ, our original title, published 50 years ago this month.
• Senate moves on ESA reform
• Suit challenges patenting
• Canyon takes its case to the Supreme Court
Data mining involves processing huge amounts of digital information to find hidden patterns and financial relationships. To executives, the findings are like gold, but on the weekends, I prefer seeing the real thing in the bottom of my pan.
I have been detecting the area on and off since I discovered it. Every time I bought a new detector it was the first place I went to.
...it is beginning to appear that we are recently witnessing a gradual buildup of background information that could lend strength to the arguments for ultimately higher gold and silver prices.
I stayed on the nozzle (about 25 pounds) and Dave moved rock. We worked the hole for two and a half days. Most of the time was spent moving overburden.
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