All Articles
Gold in Panama
November 2001 by Edgar B. Heylmun, PhD
Panama is a long, narrow isthmus, 30,200 square miles in area, that separates Costa Rica from Colombia. It is best noted for the Panama Canal, which is now under the control of the Panamanian government, aided by the United States. The canal bisects the country and is an engineering marvel that was opened in 1914.Additional articles that might interest you...
Mining Stock Quotes and Mineral & Metal Prices
November 2013
Montana Lawmakers Want Economic Review of New Mining Rule
November 2005
A group of lawmakers is asking the state to review the economic effects of a new mining law that one lawmaker contends is nothing more than a thinly veiled effort to end all mining in Montana.
A group of lawmakers is asking the state to review the economic effects of a new mining law that one lawmaker contends is nothing more than a thinly veiled effort to end all mining in Montana.
Eight Mines Earn Prestigious Safety Awards
November 2003
Eight US coal, metal and nonmetal mines that achieved a perfect safety record in 2002—a combined 1.9 million employee hours without any time lost to serious injury or a fatality—were honored with prestigious “Sentinels of Safety Awards” presented by Assistant Secretary of Labor for Mine Safety and Health David Lauriski
Eight US coal, metal and nonmetal mines that achieved a perfect safety record in 2002—a combined 1.9 million employee hours without any time lost to serious injury or a fatality—were honored with prestigious “Sentinels of Safety Awards” presented by Assistant Secretary of Labor for Mine Safety and Health David Lauriski
Cedar Rim Opal—Discovery of a Giant Opal Field
October 2008
In 2003, I initiated field reconnaissance of an opal deposit at Cedar Rim in central Wyoming and was amazed at the size of this undocumented deposit located right in the middle of an oil and gas field...
In 2003, I initiated field reconnaissance of an opal deposit at Cedar Rim in central Wyoming and was amazed at the size of this undocumented deposit located right in the middle of an oil and gas field...
A Trip to Tucson 2000
April 2000
The stage was set for a great time, as better than 100 mining artifact collectors from all over the world gathered for the 6th Annual Tucson Arizona show. Many of us didn't even seem to mind the heat of the desert...
The stage was set for a great time, as better than 100 mining artifact collectors from all over the world gathered for the 6th Annual Tucson Arizona show. Many of us didn't even seem to mind the heat of the desert...
Samuel Franklin Hunt Nevada’s “Rio Tinto”
February 2006
At the well-known Rio Tinto copper district, Huelva, in southwestern Spain, large quantities of copper were found beneath a gossan of hematite at an average depth of 100 feet. The deposits were first mined during Roman times.
At the well-known Rio Tinto copper district, Huelva, in southwestern Spain, large quantities of copper were found beneath a gossan of hematite at an average depth of 100 feet. The deposits were first mined during Roman times.
Ask The Experts
March 2016
Estimating the gold content of ores with gold, quartz and other minerals?
Estimating the gold content of ores with gold, quartz and other minerals?
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