Prospecting & Detecting
Soft Rock Excavation Techniques
December 2022 by John Norman
Strategies for Detecting Heavily Pounded Areas—Part III
This helps me to see if there is a pattern taking place with where I am finding nuggets, and when I study the map layer with all of my pins marking nuggets, I can drop in new pins where I want to search the next day.
Prospecting for Diamonds in Kimberlite
Kimberlite is very difficult for geologists to find, let alone prospectors and rock hounds. This is because kimberlite is rarely exposed on the surface and few people know how to identify the rock.
Feather River Gold
I didn’t think too much of our dredge hole and we were both considering a move when we hit bedrock. There was a good quantity of flakes and fines, but no nuggets.
Do Gold Nuggets Come Out At Night?
There were many small gold placers found and worked in the deserts in the old days, which had then been pretty much forgotten about. We all tried to be the first to re-discover these spots.
Excavator Testing Wet Placer Ground
The excavator or backhoe has become the tool of choice for testing placer ground. These machines are the best way to explore and sample a placer deposit if the ground is not too wet or frozen and bedrock is not beyond the reach of the machine.
Crushing Quartz in Calaveras County: A Placer Miner Learns New Tricks
I had never run an impact mill before, but anything involving rocks, water and a big electric motor sounded great.
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