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: I am in the process of filing an appeal with my lawyer, but am seeking more “expert” advice in the arenas of “mining claims” and BLM jurisdiction.
How do sluicing and drywashing compare in effciency?
Q: The nearest access to the claim is a half mile walk, which is tough for a lode claim.
Q: I would like to know how to use a classifier when I dump my gravel into my sluice box. I would also like to know what sizes classifiers come in. I know that they are in sizes like -3/4. What does the “minus” in the size mean? Thanks for any help you can give me.
How do mines and refiners deal with doré bars?
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