Detecting Canyon Bedrock in The Sierras
September 2018 by Ray Mills
My plan was to go up the canyon along a ridge and then drop into the canyon whenever I came across a spot that might give me reasonable access.
Rocks and minerals associated with clay seam gold deposits in southern Oregon are often in sedimentary rock units at least partially metamorphosed into argillite. They are also associated with mafic volcanic rocks, basalts and gabbro that...
The first experience involved an overgrown gold mine operated during the 1880s. A razed mill adjoined the mine and could be glimpsed from the isolated public dirt road I was traveling.
Mike and I each selected a side of the creek and started to work our way upstream. We both worked the water and sides of the creek, and better than half the gold found in this area is in the water.
Not all of these slides and debris flows will produce results, but if you search for these while prospecting in your gold producing areas, then you can increase your odds of finding new gold.
After he excavates the ore down to bedrock, he goes over the bedrock with a metal detector to ensure he didn't leave any gold behind before he backfills the area.
As I arrived at my detecting location, I got all my gear and headed up the trail. I had to stop and take in the devastation all around me.
The old report I read indicated all they ever did was dig some trenches and take samples. It sounded to me like a good place to take my metal detector...
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