Ask The Experts—Separating platinum from sands using bubbles
October 2011 by Chris RalphI 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?
Q: ...A number of scientific studies have been done that concluded our level of dredging is “not” harmful to fish or habitat. I suggest that the Mining Journal list some of these specific studies with brief summaries and conclusions.
Q: Can a voltmeter be used to determine the type of metal/mineral present in soil?
How can I determine if there are precious metals in the groundwater?
Q: I live near the Gold Basin area of Arizona. What detector will go deep and be easier to use for small gold? I need some help.
Heading for Australia to metal detect for gold. Tips? Suggestions?
The Bawl Mill • Legislative And Regulatory Update • Ask The Experts—Extraction of micro gold from black sands • Ask The Experts—Difference between a Geiger counter and scintillator • Then and Now: Is Gold Really Money? • Gold, Quartz & Chalcedony—Part I • Prospecting Australia—Part I • Oregon Dredge Permit Litigation Update • Gold From Black Sand Tailings • The Fine Art of Panning Heavy Sands • California State Gold Panning Championships • The Golden Days of Julian, California • An Expensive Lesson • Judge Denies Request To Delay Michigan Mine • Melman on Gold & Silver