Ask The Experts: Is an XRF gun useful for prospecting and mineral identification?
April 2017 by Chris Ralph
Q: I’ve thought about renting an XRF gun with gold specific software to use for exploration this spring.
Q: Can a voltmeter be used to determine the type of metal/mineral present in soil?
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?
What type of sluice box for my trommel?
Q: Aside from the softness scratch test and other methods of identification, what feedback would you have on identifying gold in hard rock that may be mixed with other metals that affect its color?
Q: Is this gold or some other metal?
Dust and dry washing
• Are these gold amounts large enough to interest a mining company?
The Bawl Mill • Legislative and Regulatory Update • Ask The Experts: Is this deposit worth working? • Ask The Experts: Can a long range locator probe detect gold in quartz? • Weathering, Erosion and Placers • The PIGMI—a DIY Crevice Tool • Diary of a Diamond Prospector • The Ups and Downs of Nugget Hunting • Epithermal Gold and Silver Deposits • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices