Gold in the Slate Creek Basin
September 2011 by Don RobinsonIn some areas these channels were thousands of feet wide, and just figuring out where you are in some of these diggings is a challenge.
A while back I was given a very special opportunity to take my metal detector to one of the most famous gold mines in all of California, the Original Sixteen to One mine in Alleghany.
In some places valuable ores can be found within the waste material of mine dumps, sorted ore piles, and detrital vein matter at the surface. Though many of these old mine sites can be an excellent source of gold, not all are created equal.
I like to think in terms of “conductive mass” because it is a combination of both the conductivity of the metal and the size of the target that determine how a detector sees conductivity.
Take a look at the picture—it’s pretty simple and you can build it yourself.
That is the course and intention for this article—to wander through some of the lessons I have learned in my thirty-two years of metal detecting and prospecting.
Without knowing or even thinking about it, I had put together a map that showed me a pattern of the ancient Sacramento River channel. I also had a distinct picture of where the ancient channels of several other creeks and rivers were running.
These are entry-level machines designed with gold prospecting in mind and with the ability to handle mineralized ground and see nuggets of a grain or so in size, perhaps smaller.
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