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The Basics of Small-Scale Heap Leaching with Cyanide
August 2007 by Chris Ralph
In last month’s article I talked a bit about opportunities for heap leaching small hardrock deposits. This month I’m going to talk about the basics of putting together a heap leach project, including building the pad and leaching the ore.
Additional articles that might interest you...
Melman on Gold & Silver (2007 Year in Review)
December 2007
This past four weeks saw a major shift in the scope of financial headlines. Where recent months have focused almost entirely on the “subprime” crisis and resultant credit problems, the US Dollar itself became the center of attention last month as it entered a period of severe decline against the Euro, Australian Dollar, British Pound, Swiss Franc and Canadian Dollar.
This past four weeks saw a major shift in the scope of financial headlines. Where recent months have focused almost entirely on the “subprime” crisis and resultant credit problems, the US Dollar itself became the center of attention last month as it entered a period of severe decline against the Euro, Australian Dollar, British Pound, Swiss Franc and Canadian Dollar.
Ask The Experts - Need advice on melting gold
January 2019
The Bawl Mill
July 2016
Greenpeace sued for racketeering
Greenpeace sued for racketeering
Hardrock in Downieville
November 2000
A recent weekend trip found us leaving the Grass Valley, California area to meet up with some friends in Downieville.
A recent weekend trip found us leaving the Grass Valley, California area to meet up with some friends in Downieville.
Shortage of Mining Engineers Projected
February 2005
As decade-high gold and silver prices spark a renewed interest in mining in the West, there are few mining education programs and fewer students earning mining engineering degrees due to two decades of decline in the US mining industry.
As decade-high gold and silver prices spark a renewed interest in mining in the West, there are few mining education programs and fewer students earning mining engineering degrees due to two decades of decline in the US mining industry.
Melman on Gold & Silver
August 2006
Any illusions that the world had become a safer place were certainly put into serious doubt by events over the past few weeks. During that time we have seen a major Israeli incursion into Gaza in retaliation for Hamas attacks on Israel, huge public demonstrations and accusations of fraud regarding the recent election in Mexico and, most recently, terrorist bombings in Mumbai (Bombay), India, which killed about two hundred people and seriously disrupted India’s financial center.
Any illusions that the world had become a safer place were certainly put into serious doubt by events over the past few weeks. During that time we have seen a major Israeli incursion into Gaza in retaliation for Hamas attacks on Israel, huge public demonstrations and accusations of fraud regarding the recent election in Mexico and, most recently, terrorist bombings in Mumbai (Bombay), India, which killed about two hundred people and seriously disrupted India’s financial center.
Pacific Legal Foundation Gets Significant Win
June 2005
In an important victory for western property owners, the United States Ninth Circuit Court of Appeals has ruled for Pacific Legal Foundation (PLF), and Idaho rancher Verl Jones’ family, in a closely watched case that addresses the standard by which injunctions can be issued under the Endangered Species Act (ESA).
In an important victory for western property owners, the United States Ninth Circuit Court of Appeals has ruled for Pacific Legal Foundation (PLF), and Idaho rancher Verl Jones’ family, in a closely watched case that addresses the standard by which injunctions can be issued under the Endangered Species Act (ESA).
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• Prospecting For Gold—The Osborne/Herman Hardrock Mine
• Journeys in the Kingman Quadrangle
• From Spanish Mine to Modern-Day Exploration: The Historic Gold-Silver Camp of Palmarejo
• Spanish Police Seize Ship in Treasure Fight
• Looking Back
• Gold Mine Proposed in Jefferson County
• Melman on Gold & Silver
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