Ask the Experts
August 2007 by StaffQ: Does anyone know of an electrowinning instrument that will plate (heavy plate) rhodium and iridium? I have both in solution. (Solution content = 262.9 oz/ton of iridium; 14.9 oz/ton rhodium.)
If I have precious metals in solution in bulk, say 620 to 1,000 gallons, is there a facility to extract the precious metals out? If so, can each be isolated?
Sometimes it takes a hard head to go beneath a hardhat. Digging for gold isn’t the easiest way to make a living, yet it’s an honorable profession, dealing a lot with nature.
Just as we were sitting down to write this column, a political bombshell was released when Rick Santorum announced he was terminating his efforts to win the Republican Presidential nomination, virtually assuring the nomination will be to Mitt Romney. The remaining candidates, Ron Paul and Newt Gingrich appear to have no realistic chances.
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Q: A few questions about diamonds...
In May, 2016, the Andersons received a letter from Steve Niemela at the Oregon Department of Fish and Wildlife requesting access to their property to conduct surveys for “foothill yellow-legged frogs and other amphibians.”
Gold was discovered on the upper peninsula of Michigan around 1845, about the same time that rich iron and copper deposits were being put into production. Despite the discovery of gold and silver, most interest centered about iron...
The Bawl Mill • 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 • Mining Stock Quotes and Mineral & Metal Prices