All Articles
Metal Detecting for Gold Within Andesite and Basaltic Volcanic Mining Districts
May 2006 by Jim Straight
Andesites and basalts are the most common volcanic rocks in the North American Cordillera. The andesites originated within the earth’s continental crust, while the basalts originated within the mantle. According to the Plate Tectonic theory...
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Chinese Buy Out Australian Miners
July 2009
Some Australian lawmakers object to allowing Chinese government companies to buy mining assets that they say are a cornerstone of Australia’s economy.
Some Australian lawmakers object to allowing Chinese government companies to buy mining assets that they say are a cornerstone of Australia’s economy.
Heavy Sands Mining
February 2013
Lately my mind has been involved with group 4 of the transition elements, namely titanium, zirconium, and hafnium. They all have similar chemical properties. Of greatest interest to economic geologists and miners is that these valuable elements often occur together in sands.
Lately my mind has been involved with group 4 of the transition elements, namely titanium, zirconium, and hafnium. They all have similar chemical properties. Of greatest interest to economic geologists and miners is that these valuable elements often occur together in sands.
Mining Stock Quotes and Mineral & Metal Prices
November 2012
Looking Back
January 2007
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Mining Stock Quotes and Mineral & Metal Prices
October 2014
Hot Ground or Large Deep Gold?
May 2009
While detecting for gold nuggets with a pulse induction machine, most of the signals we encounter have a normal “wee-ooo” sound. However, while swinging larger search coils, the bigger deeper nuggets can produce a...
While detecting for gold nuggets with a pulse induction machine, most of the signals we encounter have a normal “wee-ooo” sound. However, while swinging larger search coils, the bigger deeper nuggets can produce a...
Ask the Experts—What is barite used for?
June 2007
Q: Could you inform me as to what “barite” is used for? Where can I locate a company that mines barite?
Q: Could you inform me as to what “barite” is used for? Where can I locate a company that mines barite?
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