'We are not saying that you should stop using your sluice box
, so we're making efforts to show you how to optimise your sluice box
so you get the most out of it and since you cannot eliminate mercury at this point, for reduction, we are looking at optimising the sluice boxes
to get a better concentrate and reduce the amount of mercury you are using'
. With water being bailed over top, gravel, shoveled into a dump box at waist height would roll off the apex of the grizzly and onto the ground while allowing the finer material to fall through into the sluice-box.
"Think of it as mining for gold, business data is piles of paydirt that is yet to be processed, and law firm's or the sluice box
that sift through the business data and pulls out the gold nuggets.
That means you might uncover everything from a traditional gold-panning sluice box
and miniature souffle dishes to the latest toaster models.
This test facility is meant to model their process plant operating in Idaho City which is effectively a giant sluice box
that washes away lighter crushed rock from the gold particles.
Up from the sluice box
of history, for example, comes the Rev.
James Prudden, Constitution Mining's Chief Geological Consultant commented, "The Gold Sands district is formed by meandering rivers that flow from the mouth of the Manseriche Gorge, which acts as a giant natural sluice box
. Just below the gorge, these waterways deposit gold that was eroded and transported from the mountains of Peru and Ecuador.
This washing separates the gravel from the dirt with the large rocks running off a shaker screen on one end of the plant and the small material and gold dropping through the screen to the sluice box
Brittan says it's taken him and his partner years to perfect the system they use, which involves sucking up sediment, then dumping it into a sluice box
that washes the grit and helps separate the gold.
The book, available in New Zealand and published by Halcyon Press, covers digging, panning and sluice box
methods, as well as use of metal detectors, and what to do with your gold when you have found it.
Another device used was the sluice box
, which had been developed years before by Brazilian miners.