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.
Lode or Placer: What Difference Does It Make?
This explains the large difference in particle sizes between placers and hydrothermal lode deposits, but also means that while the mining may be similar in some cases, the sampling and recovery techniques are usually quite different.
Copper Deposits of Alaska
Only the famous Kennecott copper mine was able to continue operating through the Depression owing to the exceptional richness of its ore.
Mining Stock Quotes and Mineral & Metal Prices
Mining Stock Quotes and Mineral & Metal Prices
Original Issue Now Available as a Free Download
An original copy of our very first issue was recently found at the North Star Mining Museum in California by Carol Marshall, and the museum was nice enough to return it to us! (Read the full story.)
The issue is now available as a free pdf download. The file is approximately 7Mb.
(A black & white reprint is also available for $6.00 plus postage.)
Click here to download a copy.
Bedrock
I am going to break bedrock down a bit and explain my view of the varying scenarios I come across in the field.
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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
