Mining Stock Quotes and Mineral & Metal Prices
August 2007 by Staff
The non-toxic thiosulfate is actually the medical antidote given to people for cyanide poisoning. By accomplishing both neutralization and metals recovery, this process creates an economic and environmentally attractive process.
"This is just the tip of the iceberg," Hill said. "It's going to take 200 years to dig it all out."
Over 7 million ounces of gold have been produced in the Klamath Mountains of northwestern California, 64% of which has been from placers.
On October 19, 2015, the Waldo and Galice Mining Districts (of SW Oregon), along with several Oregon mining organizations and individuals, filed a Complaint in the United States District Court in Medford…
We have developed a discoloring procedure, that makes parting unnecessary in many cases. Our discoloring solution contains sulfur, an element that tarnishes high silver content beads quite rapidly.
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
The Bawl Mill • Ask the Experts • The Basics of Small-Scale Heap Leaching with Cyanide • 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