Posted by David Bamford on July 07, 2005 at 04:18:51 from 22.214.171.124 user David.
In Reply to: Re: In PIGEON POST - why make a nugget? posted by Adam Quinan on July 07, 2005 at 02:34:42:
Panning makes use of the difference in Specific Gravity of the different minerals in the pan. Chalcopyrite has an S.G. of 4.1-4.3, whereas quartz has an S.G. of 2.5. I would expect that this would be sufficient to achieve a reasonable separation of the minerals.
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