Following Clues to an Old Mill and Vein Strike
August 2012 by Don RobinsonMy last update on this adventure was in the April 2012 issue and involved our search for the northern extension of the Cedarberg Mine. At that time we had found it and we were in the process of returning for some detecting when Mother Nature struck with a late rain and snow storm.
I was amazed and surprised, and I took a moment to admire how beautiful this coarse chunk of gold was. It later weighed exactly one-half ounce.
• Making a noisy dredge more quiet
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...
The 15 rare earth elements were discovered long after the gold rush began to wane, but demand for them only took off over the past 10 years...
There are not a lot of tools needed to get out and take advantage of the situation. Other than my wetsuit, I typically travel light with a gold pan, maybe a pry bar and a few crevice cleaning tools.
...these nuggets have not traveled far from the lode because the golden wire lattices would have been torn apart or flattened during weathering of rock and deposition by violent stream action.
Perhaps the most notable thing about skim placers is that they form on the top surface of gravel bars, as opposed to coarser gold placers where the weight of the gold particles allows the gold to settle down on or near bedrock.
The Bawl Mill • Ask the Experts: Something for everyone... • Ask the Experts: VMS ore • Ask the Experts: More suggestions for dealing with metallic trash.... • Ask the Experts: various mining courses • Sniping for Gold • Gold in Guyana—Part II: Process Optimization at Sacre Coeur Minerals' Lower Puruni Alluvial Mining Project • Small-Scale Miners Rock the Mining World • Big Rock Gold • Still Gold in Humbug, Arizona • Never Take Safety for Granted • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices