All Articles
Epithermal Gold-Quartz Veins
January 2004 by Edgar B. Heylmun, PhD
The great mining geologist Waldemar Lindgren used the word “epithermal” to describe a type of quartz vein commonly found in desert regions of the United States and Mexico.Additional articles that might interest you...
The Fern Mine
July 2004
Sharp, jagged mountains shot up around me as I slowly bumped my way, in my old Chevy pickup, up the boulder strewn mining road to the Fern Mine. The Fern Mine is situated on the west side of Archangel Creek, where several other hard rock mines once operated.
Sharp, jagged mountains shot up around me as I slowly bumped my way, in my old Chevy pickup, up the boulder strewn mining road to the Fern Mine. The Fern Mine is situated on the west side of Archangel Creek, where several other hard rock mines once operated.
The Bawl Mill
January 2002
• More power to ya, Gov. Davis
• New Mayor flashes, I mean, clashes with local law enforcement
• Our tax money at work
• More power to ya, Gov. Davis
• New Mayor flashes, I mean, clashes with local law enforcement
• Our tax money at work
The Oretron
November 2000
Most ore bodies generate a voltage, giving the prospector another valuable method of tracing and locating these hidden minerals. With the Oretron, one can sense and measure these voltages along the ground surface...
Most ore bodies generate a voltage, giving the prospector another valuable method of tracing and locating these hidden minerals. With the Oretron, one can sense and measure these voltages along the ground surface...
The Portable XRF Gun
November 2012
While there is no metal detector that will see only gold, there is a device that can reliably distinguish gold from lead, copper, iron or other metals. It is an X-Ray fluorescence tester, sometimes called an XRF gun.
While there is no metal detector that will see only gold, there is a device that can reliably distinguish gold from lead, copper, iron or other metals. It is an X-Ray fluorescence tester, sometimes called an XRF gun.
Legislative and Regulatory Update
May 2004
• Comments needed for Washington's Buckhorn Mountain
• Rep. Gibbons goes to bat for Nevada
• More land acquisition on the way?
• IBLA rules in favor of miner
• Comment on critical habitat proposed in the Mojave Desert
• Comments needed for Washington's Buckhorn Mountain
• Rep. Gibbons goes to bat for Nevada
• More land acquisition on the way?
• IBLA rules in favor of miner
• Comment on critical habitat proposed in the Mojave Desert
Sampling Mineral Deposits
March 2007
The accurate sampling of mineral deposits for testing and analysis is perhaps the most important step involved in both mineral exploration and development. It is a critical factor in initial prospecting efforts and the preliminary investigation of grassroots exploration projects, yet sampling is often performed in a haphazard and incomplete fashion during the early stages of prospecting and exploration activities.
The accurate sampling of mineral deposits for testing and analysis is perhaps the most important step involved in both mineral exploration and development. It is a critical factor in initial prospecting efforts and the preliminary investigation of grassroots exploration projects, yet sampling is often performed in a haphazard and incomplete fashion during the early stages of prospecting and exploration activities.
What Are Those Rocks In My Pan?
June 2011
The placer mineral identification key is designed to answer this question. It attempts to recognize all the minerals in your gold pan concentrates.
The placer mineral identification key is designed to answer this question. It attempts to recognize all the minerals in your gold pan concentrates.
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The Bawl Mill
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