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How To Locate Diamonds
July 2008 by W. Dan Hausel
How to locate diamonds: This article focuses on the principal host rock for diamond and describes some gemstones (and kimberlitic indicator minerals) typically found with diamond.
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Hidden Features in Venezuela
October 2003
Venezuela is considerably larger than the state of Texas and is located on the north coast of South America. The capital city of Caracas (pop. 4 million) is some 2,135 miles south of New York City. Most of the population is in the northern half of the nation, with paved highways connecting the principal cities and towns. The Orinoco River flows through the southern and central parts of the country, and much of the travel into the interior is along that river and its tributaries.
Venezuela is considerably larger than the state of Texas and is located on the north coast of South America. The capital city of Caracas (pop. 4 million) is some 2,135 miles south of New York City. Most of the population is in the northern half of the nation, with paved highways connecting the principal cities and towns. The Orinoco River flows through the southern and central parts of the country, and much of the travel into the interior is along that river and its tributaries.
MMAC Update
February 2017
One caller wondered why he should be required to join MMAC, asked why MMAC was not a non-profit, and compared it to some kind of extortion attempt. If he had questions like these, I assume there are others with similar questions and I will address them here.
One caller wondered why he should be required to join MMAC, asked why MMAC was not a non-profit, and compared it to some kind of extortion attempt. If he had questions like these, I assume there are others with similar questions and I will address them here.
Exploration, Development and Taxes
May 2007
Further demonstrating the importance of seeking professional assistance and advice are the tax rules governing the expenses of a mining company. The tax treatment of mine exploration and mine development costs is confusing, complex and often overlooked or ignored—except by the ever-vigilant Internal Revenue Service.
Further demonstrating the importance of seeking professional assistance and advice are the tax rules governing the expenses of a mining company. The tax treatment of mine exploration and mine development costs is confusing, complex and often overlooked or ignored—except by the ever-vigilant Internal Revenue Service.
Map Offers Look at Butte's Mining History
July 2004
It turns out the old Anaconda Co. really did have 10,000 miles of tunnels beneath this mining city. That’s one of the findings by researchers who have produced a new map that charts the thousands of underground mine shafts here, providing a detailed look at some of Butte’s mining history.
It turns out the old Anaconda Co. really did have 10,000 miles of tunnels beneath this mining city. That’s one of the findings by researchers who have produced a new map that charts the thousands of underground mine shafts here, providing a detailed look at some of Butte’s mining history.
Platinum Firm, Palladium to Remain Weak
July 2003
Platinum and palladium demand and prices continued to move in opposite directions in 2002, according to Johnson Matthey (JM) in Platinum 2003.
Platinum and palladium demand and prices continued to move in opposite directions in 2002, according to Johnson Matthey (JM) in Platinum 2003.
Over the Divide
December 1999
Robert A. Sanregret
1930 - 1999
Robert A. Sanregret
1930 - 1999
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The Bawl Mill
• The Lost Silver Triangle of the Sierra Madre—Conclusion: Tayopa, Guaynopa, and Guaynopita
• The Greenwood Gold Project
• Miners Go To Work In Washington
• Natural Crystalline Gold
• The Vore Mine
• Tools of the Modern Prospector: The GPS
• Whitehall Mine Foregoing Closure
• Work Begins At Rock Creek Mine
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
• The National Mining Hall of Fame to Induct Four
• Looking Back








