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.
The Rocky Bar Mining District, Idaho
Rocky Bar sits on the north slope of Horse Ranch Mountain, and while the most productive placers were found in Bear Creek below Rocky Bar, most of the creeks on the south, east and north sides of the mountain contain placer gold and were worked commercially in the past.
Revisiting The Old Mini Patch
Today, the greatest gold rushes occur due to technological advances capable of discovering gold where it once was extremely unlikely or difficult.
Great Atlantic Resources
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It was your correspondent’s privilege to accompany Great Atlantic’s management and geologic team on a journalist and analyst tour of their various New Brunswick projects during late June, 2012.
Ask The Experts
• Are these gold amounts large enough to interest a mining company?
Enrichment of Gold Veins
Most of the world's great gold mines are in secondary (supergene) enrichments in veins and stockwork, brought about by physical and chemical processes.
Legislative and Regulatory Update
• IBLA rules against miner for "late" filing
• Wyoming appeals roadless decision
• Mercury reduction program slated for California
• Oregon wilderness
• Oregon miner prevails in lawsuit against Forest Service and District Ranger
• Canada pulls out of Kyoto Climate Treaty
The Economy, The Environment and Equity
Clinton's poverty tour brought angry responses from many Westerners. They know that while Clinton is not to blame for the poverty he saw ... he is the reason for the crises facing some western towns.
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The Bawl Mill
• Ask the Experts
• Will California Dredging Survive?
• 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
