Prospecting & Detecting
Revisiting the Rocker Box
August 2016 by Alex Dolbeare
The first location we worked was a small, dry ravine cutting through many mineralized zones in an area where some hard rock mining had taken place in the past.
The Perfect Summer
Within the first 3 hours he and I had found pocket after pocket of gold and couldn't wait to tell Levi of our treasure.
Ask the Experts
Breaking cemented gravels
One Potato, Two Potato...
Normally the detector he was using would sound off with a definitive high-to-low tone when passed over a piece of gold, which distinguished the gold from the many high iron content "hot rocks," but this one was different...
Prospecting Underground: Use Caution
In underground placer work, the contact point of the bedrock tunnel and the gravel is a very weak point and always has to be timbered. The bedrock here is thin, fractured, and the gravels loose from many years of oxidizing.
Critical Minerals: Titanium—Part II
There are both hard rock and beach sand types of titanium deposits, but the hard rock deposits need to be at least 10 percent titanium while the beach sands often are economic with only two or three percent titanium.
Big Rock Gold
Fran, and I had made a practice of turning big boulders in gold producing areas to find some great rewards. Sometimes it was slow and frustrating, but in the end “We got the gold!”
Route Planning Using GPS
My intention was to end this discussion with waypoints and routes, then I found USGS maps of the Plainfield Quadrangle.
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