How Rich Must My Ore Be?
May 2021 by Chris Ralph
How rich does a hard rock ore have to be for it to be worthwhile to process and extract the gold?
The question I had, and likely you have too, is when an old channel is cut, how far does the placer gold in the cut channel move down in a river or creek that continues to erode deeper and deeper?
I picked up a noticeably heavy, fist-sized chunk of what I thought was a heavy piece of iron. After wiping some of the dirt and clay off, I still didn't know what on earth this object was.
I didn’t follow-up on this opportunity at that time, as I already had as much on my plate as I could handle, but the potential for this property has never left my mind.
I worked my way to a flat area along a ridge where I could see a quartz blowout. As I got within 100 feet of it, I started seeing rock that I knew to be associated with gold.
I got a signal but knew it was small. Still, I was very happy to find something. I continued and got another signal. Yes! A bigger nugget! Then I got another signal.
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.
There you’re expected to be personally responsible in making decisions, and yes, it can be costly. When you are responsible for your own life, you live life more, and with it you certainly risk more.
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