Revisiting The Old Mini Patch
April 2019 by Michael Greyshock
Today, the greatest gold rushes occur due to technological advances capable of discovering gold where it once was extremely unlikely or difficult.
Imagine for a minute the year is 1850. You’ve read and heard that gold was discovered in California and the creeks are so rich you can just scoop it up with your hands.
We descended hunched over, down a long, steep, wooden staircase to the 1,000-level.
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.
On our fourth trip, we finally reached the top edge of the old hydraulic pit, and it was monstrous.
The zone of influence of each sample must be carefully considered when deciding how far sample sites should be spaced from each other.
I believe dry washing is an underappreciated prospecting method. There are plenty of places where there is some pretty decent gold to be had, but the spot is a long way from any water and dry processing may well be the best way to go.
Every Spanish village seems to hold their pride in one unique area of expertise. Pamplona has its bulls, Barcelona its architecture, and gold panning belongs to Navelgas.
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