Weathering, Erosion and Placers
April 2017 by Chris RalphThe big interest to prospectors thinking about the effect of erosion is not what might happen long into the future, but what they might find in the rivers later this summer when the water levels go down.
Before I tell you what dredging backwards is, I’ll tell you why my team and I decided to give this very unconventional dredging method a try.
Many friends have come up to my locale to detect for gold. I am writing this article hoping that it may help anyone who uses a detector to prospect for gold nuggets.
Designing my own dredge...
In some areas these channels were thousands of feet wide, and just figuring out where you are in some of these diggings is a challenge.
After removing about six inches of dirt and cobbles, the sound was a bit more recognizable. I was now confident that there was a definite target and not just a ground noise.
In October, five of us decided to take an exploration trip into an area called Green Valley. This was perhaps ten miles upstream from where we had gone in September and the difficulty was access. One would think that based on the name it was an easily accessible area not far from a nearby town. This couldn’t be more wrong.
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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