Ask The Experts—Extraction of micro gold from black sands
October 2011 by Chris RalphI 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?
Gold deposits and outer space
Have you ever wondered how accurate specific gravity tests are in determining the amount of gold in a specimen?
Gold out of auqa regia
What are these rocks?
The Bawl Mill • Legislative And Regulatory Update • Ask The Experts—Separating platinum from sands using bubbles • 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