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...
Return to Chicken, Alaska
January 2015
I figured it would be quite conservative of me to shoot for about four ounces of gold instead of the twelve ounces I had found in 2013.
I figured it would be quite conservative of me to shoot for about four ounces of gold instead of the twelve ounces I had found in 2013.
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.
Legislative and Regulatory Update
December 2011
• Refunds coming to Nevada claimholders
• More wilderness proposed
• Forest Service planning rule
• Refunds coming to Nevada claimholders
• More wilderness proposed
• Forest Service planning rule
WSGS Releases New Geologic Maps
December 2011
The Wyoming State Geological Survey announced ten new geologic maps have been completed and are now available.
The Wyoming State Geological Survey announced ten new geologic maps have been completed and are now available.
Epithermal Ore Deposits Associated With Tertiary Volcanism—And the Feasibility of Metal Detecting for Them
December 2000
Epithermal ore deposits are common in regions of late volcanic activity, especially areas associated with Miocene and later Pliocene extrusive volcanics that have not been deeply eroded since the ore was deposited. Many are simple fissure veins, but stock-works and ore-pipes are also common.
Epithermal ore deposits are common in regions of late volcanic activity, especially areas associated with Miocene and later Pliocene extrusive volcanics that have not been deeply eroded since the ore was deposited. Many are simple fissure veins, but stock-works and ore-pipes are also common.
Melman on Gold & Silver
July 2000
As many long time readers know, one of my favorite sayings is the Asian expression, "May you live in interesting times." We sure do and if you didn't believe it before, just consider the latest word from the international markets.
As many long time readers know, one of my favorite sayings is the Asian expression, "May you live in interesting times." We sure do and if you didn't believe it before, just consider the latest word from the international markets.
The Bawl Mill
July 2005
• Science fiction?
• It was just environmentally friendly landscaping...
• A very generous pension plan
• Science fiction?
• It was just environmentally friendly landscaping...
• A very generous pension plan
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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
