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...
Melman on Gold & Silver
March 2001
What a difference a little time makes. Just a few months ago the liberal left was celebrating one triumph after another. Tony Blair became Prime Minister of Britain, the Liberals won a resounding triumph in Canada and the left was rejoicing in a robust economic expansion under the leadership of President Clinton. But their theme song, “Happy Days Are Here Again,” has an empty ring now...
What a difference a little time makes. Just a few months ago the liberal left was celebrating one triumph after another. Tony Blair became Prime Minister of Britain, the Liberals won a resounding triumph in Canada and the left was rejoicing in a robust economic expansion under the leadership of President Clinton. But their theme song, “Happy Days Are Here Again,” has an empty ring now...
Building A Mine—Dust Devil Sunstones
August 2008
Establishing a gemstone mine, like any other mining operation, is a difficult proposition. This is especially true if you are starting out from scratch without loads of money to get the business going.
Establishing a gemstone mine, like any other mining operation, is a difficult proposition. This is especially true if you are starting out from scratch without loads of money to get the business going.
Growing Pains of the Learning Curve
January 2009
Interestingly enough, when I first started to think about writing this article I was listening in on a conversation my wife was having with our nine-year-old twin boys. Just to add some clarification to the subject, I spend a large proportion of my time out in the...
Interestingly enough, when I first started to think about writing this article I was listening in on a conversation my wife was having with our nine-year-old twin boys. Just to add some clarification to the subject, I spend a large proportion of my time out in the...
Looking Back
June 2008
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Scams, Scammers and Schemes
December 2012
Gold mining has received many black eyes from many scams, scammers and schemes throughout the years. Unscrupulous scammers have swindled naive people for millions of dollars in the past and will, no doubt, continue into the future.
Gold mining has received many black eyes from many scams, scammers and schemes throughout the years. Unscrupulous scammers have swindled naive people for millions of dollars in the past and will, no doubt, continue into the future.
The Bawl Mill
October 2018
- Prospector banned from college campus
- Early retirement...
The Bawl Mill
January 2008
• The environmental Robin Hood
• But it looked good on paper...
• Low-quality reputation hits home
• The environmental Robin Hood
• But it looked good on paper...
• Low-quality reputation hits home
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
