My Great Nevada Adventure
July 2015 by Fred Mason
It was round and I thought it was a dirty piece of lead shot, but after feeling the weight and giving it a spit-cleaning I knew I had one! Small as the nugget was, I felt happy and gratified for my little success
While recovery rates are important, they must necessarily be secondary to the volume of material processed. Running more material at lower recovery rates is generally preferable to increasing the efficiency of the system.
I couldn’t wait to get started. With no field budget, an assay budget of $100/year, a 1975-Ford Bronco that was a road hazard, a gas card, a topo map and full support of the director, I headed to the State Line district near Tie Siding along US Highway 287 to begin mapping kimberlite.
The first and most important thing of the sampling process is to try to be as unbiased as possible. There is a natural tendency to select rock that looks the best—even unconsciously.
This year was a test. We had never done anything like this before, yet we grossed $30,000 in the short time we had to mine.
This concept of detecting does not always work as we sometimes get a week or so where the temperatures rise to 116°—sometimes more.
...I decided to excavate the semi-frozen high-bank that was resting on a soft shale bedrock footing. Within three feet, I encountered an intrusive!
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