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Metal-Mineral Identification Utilizing a Detector
November 2005 by Jim Straight
Seldom is a metal detector used for ore sampling today. Nevertheless, this procedure still works as all BFO and VLF detectors have a non-conductive mineral zone and a conductive metal zone with a neutral null zone between them.
Additional articles that might interest you...
Gold in Virginia
September 2001
The Piedmont region of Virginia contains many old gold mines and prospects, many of which are caved, overgrown, and difficult to find. Some mines have remained sporadically active up to the present time.
The Piedmont region of Virginia contains many old gold mines and prospects, many of which are caved, overgrown, and difficult to find. Some mines have remained sporadically active up to the present time.
Critical Metals: Lithium
February 2014
Prospecting for lithium deposits can take a number of different directions, because this metal can be extracted from a variety of geologically differnet sources.
Prospecting for lithium deposits can take a number of different directions, because this metal can be extracted from a variety of geologically differnet sources.
Companies Scramble to Boost Copper Production
June 2005
Soaring prices for copper and molybdenum are producing record profits for mining companies and new jobs in some Arizona towns.
Soaring prices for copper and molybdenum are producing record profits for mining companies and new jobs in some Arizona towns.
Legislative and Regulatory Update
June 2009
• California suction gold dredging
• Water rights
• Wilderness
• Climate change
• Two Bush rules left intact
• California suction gold dredging
• Water rights
• Wilderness
• Climate change
• Two Bush rules left intact
The Trapiches of Chile
October 2000
In Chile, the trapiche (tra-peach-ee) method of milling gold ore began more than 400 years ago. The first trapiche, also known as a Chilean mill, was a stone wheel weighing two or three tons rotating on an axle.
In Chile, the trapiche (tra-peach-ee) method of milling gold ore began more than 400 years ago. The first trapiche, also known as a Chilean mill, was a stone wheel weighing two or three tons rotating on an axle.
Ask The Experts
July 2015
Q: What amount of silver is considered the best find ever?
Q: What amount of silver is considered the best find ever?
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• Mining Companies Competing for Labor
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• Miners Rally Successful
• Venezuela’s Chavez Halts Mining Projects
• Mining Stock Quotes and Mineral & Metal Prices
• Looking Back
• Melman on Gold & Silver
• Montana Lawmakers Want Economic Review of New Mining Rule
