The Basics of Small-Scale Heap Leaching with Cyanide
August 2007 by Chris RalphIn 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 evidence is clear—mineral deposits alone are not enough to attract precious commodity investment dollars...”
Face-to-face meetings in Washington, DC, with Trump administration officials and members of Congress are still on hold due to the coronavirus, but Public Lands for the People is continuing to work on mining-related issues via phone and email.
Since 1986, I have spent the summer months camped out on a river, looking for gold. The summer of 2000 was no exception.
Every prospector has streaks of bum luck—times when you can’t seem to find much, if anything. This is less true for folks who dry wash or dredge, but electronic prospecting and detecting is especially prone to dry streaks. It’s just the nature of the beast.
• Tropical island tax havens for big business...
• Who is guarding the loot?
• US Forest "Self" Service
We all love to see that first glimmer of gold when it peeks out from under the black sand in our pan, or feel the weight of a nugget in our scoop when we dig a good target. But sometimes things don’t go quite so smoothly.
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