Bedrock Gold: When It’s There and When It Isn’t
February 2018 by Chris Ralph
Has your experience ever led you to wonder why some gold is deposited on bedrock and in crevices, while other gold is not? We’re going take a deeper look at this and see what we can figure it out.
We decided to run a detector over each piece. If we got a decent signal we placed the piece into a high-grade pile and the rest went into another pile to be worked on later. This high-grade pile wasn’t that large—maybe 25 pounds...
As we walked back we were just reaching the point of where the faulting should be and there, covered with deep grass, was very faint evidence of an old road going up the mountainside! What was that old road doing there?
I knew the nuggets got into the nugget patch somehow, I just had to figure out how and from what direction they came.
A very good baseball hitter might get a hit roughly one time out of every three at-bats, but for prospectors often the results are much sparser and it may take many trips before the prospector hits a home run.
• Drones for the independent prospector
Steve got his first nugget within minutes of turning on his metal detector. It only took me about an hour to find my first piece.
Most prospectors understand placer mining a lot better than hard rock mining and don’t realize the amount of work that goes into processing different types of hard rock ore.
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