Ask the Experts
March 2014 by Chris RalphGold out of auqa regia
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?
Q: Is this gold or some other metal?
Ore processing in California?
Q: Can a voltmeter be used to determine the type of metal/mineral present in soil?
Setting up a gravity dredge
• Is the Spenceville Wildlife area open to prospecting?
The Bawl Mill • Ask the Experts • Ask the Experts • Ask the Experts • Prospecting Hard Rock • Reese River Silver Mining District, Nevada • Alaska: Large-Scale Mining Can Be Done Right • Gold of the Iditarod Mining District, Alaska • Bedrock • Natural Gold Alloys • Government Takes Land for Open Space • Comments on Gold Rush and Bering Sea Gold Series • Hidden Value in Old Tailings • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices