All Articles
Prospecting on Pickering Bar
March 2007 by Don Robinson
On Saturday, January 27, 2007, six of us began a trip to Pickering Bar on the North Fork of the American River. It was 7:30 am and we had our engines running to begin the first leg of our two and a half hour trip to get there.
Ask the Experts
• Is this old mining story too good to be true?
Ask the Experts
Q: Some of the terminology you use is way over my head and this might be the case for other beginning prospectors. What does “igneous” mean?
The Trapiches of Chile
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.
Small-Scale Processing of Hard Rock Ores
Depending on the ore and if significant sulfides are present, a hard rock miner may be able to get away with simply using a flux to digest the other minerals that may be present.
The Bawl Mill
• Falling flat on her Fannie
• Un-popularity contest
• Under-estimating health care
• Real lawsuit over imaginary biofuel
What is a Mining Right?
A mining right is a powerful and not commonly understood concept that is all too often watered down by agency regulatory interference...
Why Did This Silver Mine Close? - Pt III
Narrowing down a closure date will allow you to check the commodity price during that time and possibly confirm that a low price, rather than a lack of ore, was the driving force that closed the operation.
Subscription Required:
The Bawl Mill
• Ask the Experts — What are Washington state prospecting regulations?
• Ask The Experts — Could you please write an article explaining core samples?
• Ask The Experts — Please tell me more about the Tullock II rule.
• Persistence Pays off for Cusac Gold Mines
• Internet Posting Fuels Gold Rush in Brazilian Town
• Mining Stocks—Things to Consider Before You Invest
• North Idaho Mine to Open Again in 2008
• Working Life of Troy Mine Could Be Extended
• Lucky Shot Mine and the Willow Creek Plutons
• Sampling Mineral Deposits
• In Pursuit of Gold and Silver in the Sierra Madres—Purchasing Land in Mexico
• Swiss Mining Company Demands Compensation From Bolivia
• Canadian Mint to Unveil $1 Million Coin
• Woman Gets 90 Months in Mining Fraud Case
• Looking Back
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
