All Articles
Buell Park Pipe, Arizona
July 2004 by Edgar B. Heylmun, PhD
One of the world’s largest kimberlite pipes is located on the Navajo Indian Reservation in northern Arizona. The pipe is larger than any diamond-bearing pipe in South Africa. It is 16 miles north of Window Rock, the capital of the Navajo Nation.
Green Valley's Fine Gold Patch
Once across, I panned a couple of spots around some old grass roots and the fine gold was amazingly heavy. Every pan I ran after that had lots of color.
Colorado Mining Association Appeals Roadless Ruling
The Colorado Mining Association is asking the US Supreme Court to review a 2001 rule that largely barred new roads on 58 million acres of roadless areas in national forests.
The Risks of Mining Overseas
Zimbabwe is the latest country to threaten seizure of foreign-owned mining projects.
Iron Ores and Iron Mining
For more than 40 years, iron ore prices have been decided by private negotiations conducted between the largest of the iron miners and the largest steel producers. These two sides dominate both the spot and contract iron ore markets.
Sierra County Gold—Part II
...we will continue our examination of the rich streams and mining districts, and then take a look at some of the big nuggets that have been found here.
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.
Subscription Required:
The Bawl Mill
• Mining Claim Fees Are Going Up
• Our Readers Say
• Mines and Money
• Understanding Hard Rock Mining: Terms and Methods—Part II
• Two Nevada Mines Look to Supply Own Power
• Paleontonlogical Resources Preservation Act
• Picks & Pans: Mexican "Edventure"
• Over the Divide
• Flat-Fault Gold in Sonora, Mexico
• Looking Back
• The Fern Mine
• Map Offers Look at Butte's Mining History
• Gold in China
• 2004 National Mining Hall of Fame Inductees
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
