Ask the Experts
June 2014 by Chris Ralph• Building a jaw crusher
I 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 looking for a “trommel machine” that doesn’t separate anything but clay slurry from rock hard clay.
Q: A few questions about claim markers, gold hunter test kits, and videos....
Replacing cloth on a drywasher
• How do I clean up gold encrusted with iron-sulfides?
The Bawl Mill • Ask the Experts • Ask the Experts • Ask the Experts • Ask the Experts • Ask the Experts • Finding Gold with a VLF Detector—Part III • Silver and Base Metal Deposits of the Pioche District • California Dredgers: A Step Closer to Getting Back in the Water • Arizona's Youngest...and Oldest Prospector • Exploring Placers with Auger Drills • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices • Correction • Crushing Quartz in Calaveras County: A Placer Miner Learns New Tricks