Detecting Canyon Bedrock in The Sierras
September 2018 by Ray Mills
My plan was to go up the canyon along a ridge and then drop into the canyon whenever I came across a spot that might give me reasonable access.
With the recent surge of interest in gold projects, it’s about time to revisit a subject that strikes fear into the hearts of small-scale miners: Permits.
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...
This article is about our recent gold prospecting adventure, which has yielded over 20 ounces of specimen gold—with more to come.
These gritty clay lines were only a quarter of an inch up to three inches wide. Once the line had been laid out, they would look at the wall of gritty clay material and seek more indicators.
Depending on the ore and if significant sulfides are present, a hard rock miner may be able to get away with simply using a flux to digest the other minerals that may be present.
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.
Here's the kicker—for every lost flake there was a five minute penalty added to the time. Lost gold generally meant you didn't make it past the preliminaries.
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