Ask the Experts
September 2014 by Chris Ralph• Using drywashers to work desert gravels
There is always an overwhelming feeling when finding gold of any size, but one like this doesn’t come along very often.
Picking the right spot to placer has to do with years of experience, and a little luck. The textbooks can tell you where it should be, but sometimes the rules just don’t seem to apply.
It is not necessary to have a PhD in geology, but you need to know the basics, so that’s what I am going to try to dig into here—the understandable basics of these gigantic gold deposits.
The design of metal detectors well-suited for prospecting is an interesting process and not necessarily an easy one to achieve. It is a combination that blends the desires of what prospectors would like, the requirements of sales people and dealers, with the science and physics of what the electronics can achieve.
It is this ability to hear and respond to the faintest of audio signals that I believe separates the best nugget hunters from everyone else.
He made some casual conversation until he got around to what really brought him into my camper.
Once a seam is found it can be traced for miles in either direction. While you are tracing a clay line, you are looking for indicators. The indicators that I look for are ironstone, hematite, different color clays intermingled with the clay line, and a very iron-rich, brown gritty soil.
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