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...
Market Spotlight: Platinum in Demand
December 2006
Platinum has run to record highs this year, but it’s not a rush of demand for wedding bands that has boosted prices. It’s diesel.
Platinum has run to record highs this year, but it’s not a rush of demand for wedding bands that has boosted prices. It’s diesel.
Legislative and Regulatory Update
June 2017
- Welcome changes in Washington, DC
- Giving power back to the people
Melman on Gold & Silver
September 2015
The most important question, of course, is when these deteriorating fundamentals (positive for the precious metals) will overcome the lengthy deterioration in the long-term trading charts for gold and silver and their associated mining shares.
The most important question, of course, is when these deteriorating fundamentals (positive for the precious metals) will overcome the lengthy deterioration in the long-term trading charts for gold and silver and their associated mining shares.
Journeys in the Kingman Quadrangle—Part III
October 2007
The sun is teasing the horizon in the heart of the Mojave. Soon, the exciting nightlife will end as the lizards and desert rats return to their homes.
The sun is teasing the horizon in the heart of the Mojave. Soon, the exciting nightlife will end as the lizards and desert rats return to their homes.
The Bawl Mill
October 2012
• South Korean ad campaigns make men blush
• A revolting development
• South Korean ad campaigns make men blush
• A revolting development
The Bawl Mill
July 2019
- Town’s “big risk” leads to really big loss
- High-speed rail causes division...in property access
Subscription Required:
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