Ask The Experts
Ask The Experts
December 2014 by Chris Ralph
• A place for mining equipment "on the cheap"?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?
Ask the Experts
Q: How do metal detectors work around precious metal ore bodies?
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
Gold in clastic black shale
Ask the Experts
Bismuth oxide for assaying?
Ask the Experts - processing plants that can extract rare earth metals
Q: Do you know of any processing plants that can extract rare earth metals?
Ask The Experts
• Determining the amount of gold in a specimen
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The Bawl Mill
• Legislative and Regulatory Update
• Ask The Experts
• Ask The Experts
• Uncovering the Find of a Lifetime
• Suction Dredging Battle Escalates
• Guinea Africa: Gold, Ebola, and a Monkey Barbecue
• Finding Gold in Tailing Piles
• Small-Scale Processing of Hard Rock Ores
• 2014 Index - Annual Tables of Content
• Why Did This Silver Mine Close? - Pt III
• Get The Lead Out!
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
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