Ask the Experts
February 2014 by Chris RalphMarketing other minerals recovered while gold mining
Can the public take minerals from a mining claim?
• Can I get advice on a hard rock property in Calaveras County, California?
Q: I believe I have found a deposit that contains iridium. What can you tell me about iridium? Are there any tests I can do in the field to confirm it is iridium? How much is iridium worth? Where can I get it assayed? Can I refine it myself?
• Reason for adits rather than shafts?
Ore testing and other advice for starting up a mining operation.
Q: Could you write more about the last two methods that you mentioned—the expanding chemical mixtures and the micro blasters, how and when to use them, and when not to use them?
• Where would I find a map for the Western states on high silica sand deposits?
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