The Portable XRF Gun
November 2012 by Chris RalphWhile there is no metal detector that will see only gold, there is a device that can reliably distinguish gold from lead, copper, iron or other metals. It is an X-Ray fluorescence tester, sometimes called an XRF gun.
Questions regarding patented and unpatented mining claims and the legal rights surrounding them.
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: Since the weather in California is not as nasty as it is in Alaska, would it be advisable to wear the same setups as he wrote about?
The Bawl Mill • Ask the Experts • Ask the Experts • Ask the Experts • Ask the Experts • Gold Dredging on Oregon's South Umpqua • The Struggle to Reopen Alaska's Largest Gold Mine • Prospecting With a Detector: Lessons Learned • The Rush to Treasure Hill • Tips on Crevicing for Gold • Using Google Earth and Other Maps • Proper Assaying of Placer Samples • Mining, Health Care & Taxes • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices