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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.
New Rules to Impact the Lease/Buy Decision
Whether to buy or lease is a question facing many small-scale operators and prospectors even as credit becomes more readily available. While there is no one correct answer that fits every mining operation or business, compared to the simplicity of buying, leasing is far more complicated and may be getting more complex.
2007 Annual Photo Contest Winners
Silver Bonanza in the Sierra Madre: The Glorious Past of Batopilas—Conclusion
The first Madero Revolution broke out in Mexico on November 20, 1910. On December 27, a revolutionary party exacted supplies, arms, and mules from the company until January 7, 1911, when the 7th Cavalry Regiment of the federal government destroyed three and a half tons of their dynamite near Baquiachi. On September 8, 1912, Batopilas was captured, a local garrison driven out, and the company forced to pay 10,000 pesos. Federal forces retook the town September 19.
Understanding Rock Formations: Petrology for Prospectors
There are times when being able to recognize a type of rock can make you a much more successful prospector.
Picks & Pans: Confessions of a Small Miner—Part I
On a beautiful day in 1971, my wife and I were scratching around some old miner's camp when I dug up a metal gold pan and thought I would try my hand at panning for gold. (mistake #1)
Spectacular Specimens Found in Northern Nevada
A prospector, who wishes to remain nameless, located the pictured chevron gold specimens on October 29, 2003.
Legislative and Regulatory Update
• Keep your eyes on Montana
• Karuk settlement forthcoming
• California water agency looks at more restrictions on mining
• Is that penny worth more than one cent?
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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
