Ask the Experts
February 2014 by Chris RalphEmail scams
Gold nuggets and serpentine contacts
Q: Our group has found a nickel deposit in the Yuma, Arizona area that is similar to the one that you wrote about...
I know big mining companies use cyanide and other leach systems to recover gold from ore. Is this the only economically feasible way to recover the values?
I am trying to find any information about using bubbles to separate platinum from sands and small particles. I think it has to have a surfactant in the process. Do you know of this bubble tech?
• Where would I find a map for the Western states on high silica sand deposits?
Gold in clastic black shale
Options for affordable crushers for small mining operations
The Bawl Mill • Legislative and Regulatory Update • Ask the Experts • Ask the Experts • Ask the Experts • Our Readers Say • The Perfect Summer • Eolian Gold Deposits • Copper Deposits of Alaska • Divide and Conquer—Detecting Old Placer Grounds with Friends • Reserves and Resources Explained • Critical Metals: Lithium • Coprolite—A Prospector's Tale • Comstock Mining Gets Approval • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices