Professional Equipment for Serious Detectorists!

Magazine

Ask The Experts

Ask The Experts—Extraction of micro gold from black sands

I 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?

Online access required. Please .

Add a Comment

Additional articles that might interest you...

Ask The Experts


• Reason for adits rather than shafts?

Ask the Experts: Tantalite in an African nation -- is it worth pursuing?


Q: Tantalite in an African nation -- is it worth pursuing?

Ask The Experts - Can you tell me about quartz veins in New Zealand?


Ask The Experts: Nickel assays


Q: Our group has found a nickel deposit in the Yuma, Arizona area that is similar to the one that you wrote about...

Ask The Experts


• When geologists and old-timers have conflicting views.

Ask The Experts: What is a Spanish needle?


Some fellow in Texas was selling a Spanish needle—a dousing device used to recover minerals in the old days. Do you know anything about these?

Ask The Experts - Will a rare earth magnet work for finding gold deposits?


Subscription Required:
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

Free:
Mining Districts: A Concept Reborn

Advertisements

Precious Metals Recovery plants and equipment
Fighting to keep public lands open to the public
Specializing in the processing of precious metal ores!
Watch prospecting shows on your computer right now
Free Online Sample Issue