Sampling techniques


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Hi All

I am setting up a recirculating sluice setup with a hopper to hold the dirt/soil, the water flow will be directed at the base of the hopper & will create a self feed system, the hopper will be made to take 2 bucket fulls of dirt, classified to say 4mm ( I will check tailings with a Gold Bug Pro, new aquisition for another post ).

The reason for setting this up is so that I can sample the small gullies running into the larger creeks to narrow down the search for patches, I know there is gold about but my limited time in the field requires that I cover all bases, a couple of ours digging sample hole's could lead me to the richest area's quicker.

1. If I make the sluice 600mm x 150mm, how many buckets could I feed through it before cleaning it out??

2. Say if I sample 1 bucket what sort of values would be considered good ???

3. 4mm classified would this be the way to go??

Please feel free to make any comments or suggestions so we can all learn something.

cheers

Lee

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Guest StephenFS

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