Barrick Offers $10 Million to Unlock Silver Ore
October 2007 by StaffBarrick Gold Corporation is offering US$10 million to anyone who can unlock the silver from the ore at its Veladero gold mine in Argentina.
While recovery rates are important, they must necessarily be secondary to the volume of material processed. Running more material at lower recovery rates is generally preferable to increasing the efficiency of the system.
Why are there no maps of the so-called mining districts?
Pumps can be set up quite a distance away horizontally from the sluice, even hundreds of feet. It will work so long as there is sufficient water at the source where the pump is located. Vertical distance is more of a problem than horizontal distance; 30 to 40 feet is the maximum vertical climb for most pumps.
Mike and Machael dug in just downriver of that boulder pile and right away found good color and a few small pickers.
“JP, is it possible to make a living looking for gold with a metal detector?” I get asked this question a lot...
...how many of us have knowingly found or bought a meteorite—a small to large mass of stone or metal; a meteor that has survived not only a space voyage of millions of years, but also the impact of striking the earth?
“Much of the ground where Ms. Hollingshead found her diamond is made of unweathered volcanic rock. When it rains, flowing runoff often leaves loose gravel, and sometimes diamonds, on the surface in these areas.”
The Bawl Mill • Prospecting for Hardrock Platinum, Nickel & Copper Deposits • An Answer to Endangered Salmon? • Journeys in the Kingman Quadrangle—Part III • Detecting in Australia's Etheridge Goldfield • Silver Bonanza in the Sierra Madre: The Glorious Past of Batopilas—Pt I • Another Successful Northwest Miners Rally • California State Gold Panning Championships September 1-2, 2007 • The Next Crisis For America • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices