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Enrichment of Gold Veins
November 2000 by Edgar B. Heylmun, PhD
Most of the world's great gold mines are in secondary (supergene) enrichments in veins and stockwork, brought about by physical and chemical processes.
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The Bawl Mill
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- “Pensions before Honesty. Great slogan.”
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Police Extend Detention of Newmont Executives
November 2004
Five executives from the American mining giant Newmont will continue to be jailed while facing pollution charges in Indonesia, police said, despite test results that show “normal” mercury levels near a former gold mine.
Five executives from the American mining giant Newmont will continue to be jailed while facing pollution charges in Indonesia, police said, despite test results that show “normal” mercury levels near a former gold mine.
Melman on Gold & Silver
May 2002
This was not a month for the weak-hearted. During the past thirty days, we have had an explosive intensification of the Middle East conflict, threats of OPEC using the “Oil Weapon” once again, a growing chain of events flowing out of the Enron collapse and...
This was not a month for the weak-hearted. During the past thirty days, we have had an explosive intensification of the Middle East conflict, threats of OPEC using the “Oil Weapon” once again, a growing chain of events flowing out of the Enron collapse and...
Arizona's Border Silver Camps
July 2001
Not much has changed along the original stage road that runs easterly from an old schoolhouse northeast of Nogales into the Patagonia Mountains of southern Arizona. Marked on the maps as Duquesne Road, the route has been in use for over 130 years, climbing from the hot desert floor to an almost 6,000-foot elevation pass before dropping back down the eastern slope of the mountains to reach the old mining camps of Washington, Duquesne, and Lochiel.
Not much has changed along the original stage road that runs easterly from an old schoolhouse northeast of Nogales into the Patagonia Mountains of southern Arizona. Marked on the maps as Duquesne Road, the route has been in use for over 130 years, climbing from the hot desert floor to an almost 6,000-foot elevation pass before dropping back down the eastern slope of the mountains to reach the old mining camps of Washington, Duquesne, and Lochiel.
Miners Fight Back Against Road Closures
July 2014
In the meeting, we presented Ms. Skalski with the various court cases from the 9th Circuit Court on these settled law cases and she was mortified.
In the meeting, we presented Ms. Skalski with the various court cases from the 9th Circuit Court on these settled law cases and she was mortified.
Mining the Old-Timers
June 2008
“They’re taking it to the grave with them.” These words came from my Canadian mining partner when we discussed what he had learned from an elderly gentleman in a nursing home. While that particular visit was not very successful, we had a number of others that worked out far better.
“They’re taking it to the grave with them.” These words came from my Canadian mining partner when we discussed what he had learned from an elderly gentleman in a nursing home. While that particular visit was not very successful, we had a number of others that worked out far better.
Ivanhoe Partners With Rio Tinto
November 2006
Ivanhoe Mines announced that Rio Tinto will invest $1.5 billion to engineer, construct and operate Ivanhoe’s Oyu-Tolgoi copper and gold project in the South Gobi region of Mongolia.
Ivanhoe Mines announced that Rio Tinto will invest $1.5 billion to engineer, construct and operate Ivanhoe’s Oyu-Tolgoi copper and gold project in the South Gobi region of Mongolia.
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