Prospecting & Detecting
A Good Start
July 2011 by Tom Leftwich
We split up in order to cover a larger area and found good color almost everywhere. The bedrock was shallow on both sides of the river, but the inside bend was where we concentrated our prospecting.Tips for Effective Drywashing
Back in October I read with great interest Chris Ralph’s article on the use of a metal detector while drywashing, and I wholeheartedly agree—I wouldn’t even consider going drywashing without using a metal detector in conjunction...
Sampling Placer Stockpiles
Sampling other people's stockpiles or dumps has some inherent risks that sampling undisturbed ground does not have.
Creating Your Own Luck
Now that you are actually going to be out there doing some prospecting, I may be able to help.
There's a First Time for Everyone
...day one was like watching the Gold Rush television show. He furiously worked the nozzle in an up and down fashion that resembled Jack Hoffman sitting on a backhoe.
How to Beat the Heat--and The Bedrock
The pit was a classic one—exposed shale bedrock with all the material being washed out one end of the pit. Within a few minutes I had a nice mellow signal that was in open ground.
Potholes and Other Bedrock Traps
Potholes in bedrock can trap placer minerals and even be glory holes. They are, at least, interesting geologic phenomena, and at best, a treasure trove of gold nuggets.
Metal Detecting Old Hard Rock Mine Dumps
The type of mine dump that is best for metal detecting are the ones that consist of mixed sizes of rock and are located near some sort of excavation, commonly a shaft or adit. Sometimes the piles located along a trench dug by the miners can be productive as well.
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