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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...
Our Readers Say
January 2011
Suggestions for claim jumpers
Suggestions for claim jumpers
All the Gold Ever Mined...
February 2012
If you have been prospecting for any length of time, then you have probably heard something like, “All the gold ever mined would equal a cube 60 feet on each side.”
If you have been prospecting for any length of time, then you have probably heard something like, “All the gold ever mined would equal a cube 60 feet on each side.”
Ask the Experts
January 2015
• How do I get mining claims appraised?
• How do I get mining claims appraised?
Legislative and Regulatory Update
April 2003
• Alaska Governor blasts state habitat division
• Laws proposed and reviewed in Washington State
• Comments needed on California's arsenic goals
• New explosives requirements
• Bill introduced to curb ESA abuses
• Alaska Governor blasts state habitat division
• Laws proposed and reviewed in Washington State
• Comments needed on California's arsenic goals
• New explosives requirements
• Bill introduced to curb ESA abuses
Over the Divide
May 2013
Gordon Burton
1935 - 2013
Gordon Burton
1935 - 2013
Higher Copper Price Brings Hope, Jobs
June 2004
Buoyed by higher copper prices, Chino Mines is reopening its ore concentrator and hiring workers.
Buoyed by higher copper prices, Chino Mines is reopening its ore concentrator and hiring workers.
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The Bawl Mill
• A Word from the Editor
• Under the Guise of Environmental Protection—EPA Revealed
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• Picks & Pans—In Search of Nome Creek Gold
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• Tales of Liberty Gold
• Drywashing Alluvial Placers
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
