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Flat-Fault Gold
August 2001 by Edgar B. Heylmun, PhD
Gold and other valuable metals are often deposited in breccia and rubble formed by flat or gently-dipping faults. Such faults are commonly found in areas of crustal stretching caused by the movement of tectonic plates. Flat-faults are especially common in southeast California, southern Arizona, and northern Sonora, Mexico. However, they can be present anywhere that crustal stretching has occurred.Additional articles that might interest you...
What Was That Article Again?
July 2010
Have you ever waded through your pile of Mining Journals looking for a particular article? The annual index, published each December is a great help, but I have a better idea.
Have you ever waded through your pile of Mining Journals looking for a particular article? The annual index, published each December is a great help, but I have a better idea.
Ask the Experts
November 2007
Q: How do we get Congress to make up for some of their blunders and do something productive for a change, such as releasing those withdrawn WSAs?
Q: How do we get Congress to make up for some of their blunders and do something productive for a change, such as releasing those withdrawn WSAs?
Mining Districts: A Concept Reborn
October 2011
Most of the mining opposition today is centered around the small-scale miner. These miners number in the thousands and come from every walk of life.
Most of the mining opposition today is centered around the small-scale miner. These miners number in the thousands and come from every walk of life.
Using Mineral Deposit Models
June 2003
Mineral deposit models have been used in mineral exploration for thousands of years. They were obviously not called models as we use the term today, but the idea of accumulating data to predict mineral deposits is the same. Models can be valuable tools in mineral exploration and assessment and are routinely used by major mining companies in locating and evaluating mineral deposits.
Mineral deposit models have been used in mineral exploration for thousands of years. They were obviously not called models as we use the term today, but the idea of accumulating data to predict mineral deposits is the same. Models can be valuable tools in mineral exploration and assessment and are routinely used by major mining companies in locating and evaluating mineral deposits.
The Bawl Mill
June 2005
• Greenpeace goes down with the ship...
• Airing your dirty laundry...
• Greenpeace goes down with the ship...
• Airing your dirty laundry...
Legislative and Regulatory Update
July 2012
• Forest Service proposes next step in Agenda 21
• 9th Circuit deals blow to small miners
• Forest Service proposes next step in Agenda 21
• 9th Circuit deals blow to small miners
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