All Articles
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...
Oregon Suction Gold Dredgers Score Big Win
February 2010
The main issues in this case involved the DEQ’s authority to regulate discharges under sections 402 and 404 of the Clean Water Act.
The main issues in this case involved the DEQ’s authority to regulate discharges under sections 402 and 404 of the Clean Water Act.
Mining Stock Quotes and Mineral & Metal Prices
December 2004
Mining on the Comstock Lode
July 2014
Even with the decades of mining and exploration, much of the Comstock is still underdeveloped and its potential not fully tapped.
Even with the decades of mining and exploration, much of the Comstock is still underdeveloped and its potential not fully tapped.
BLM Increases Location & Maintenance Fees
August 2009
The Bureau of Land Management (BLM) has increased mining claim location fees and maintenance fees in a final rule published in the Federal Register on June 29, 2009.
The Bureau of Land Management (BLM) has increased mining claim location fees and maintenance fees in a final rule published in the Federal Register on June 29, 2009.
Rahall Proposes Bill to End All Mining in the U.S.
March 2009
H.R. 699, the Hardrock Mining and Reclamation Act of 2009, should be labeled H.R. 666 because it appears to have been written by the Devil himself.
H.R. 699, the Hardrock Mining and Reclamation Act of 2009, should be labeled H.R. 666 because it appears to have been written by the Devil himself.
Company Notes
November 2003
• Barrick Gold Corp.
• Montana Resources
• Placer Dome
• Newmont Mining
• Norilsk Nickel
• AngloGold Ltd.
• Ashanti Goldfields Co. Ltd.
• Randgold Resources
• Ivanhoe Mines Ltd.
• Barrick Gold Corp.
• Montana Resources
• Placer Dome
• Newmont Mining
• Norilsk Nickel
• AngloGold Ltd.
• Ashanti Goldfields Co. Ltd.
• Randgold Resources
• Ivanhoe Mines Ltd.
Benefits of a Detecting Partner
April 2013
“Metal detecting is not a social function.” So said a good friend of mine. And it’s true. But that’s not to say the benefits of having a prospecting partner don’t outweigh those of being alone.
“Metal detecting is not a social function.” So said a good friend of mine. And it’s true. But that’s not to say the benefits of having a prospecting partner don’t outweigh those of being alone.
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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
• Mining Stock Quotes and Mineral & Metal Prices
