Rob I think the jigs are used before any centrifuge/spinner The jigs take the place of using a sluice for gravity seperation which miners still use for many of the alluvial operations.
http://www.gekkos.com/pages.php?page=68&lang=3
Good point you mention about needing the foundations to cure before machinery can start being used on it. Not sure how effective the grizzley is at screening out the quartz from the gangue, but hope it works, assuming the quartz fractures smaller than the dolerite host rock.
MCO Price at posting:
36.0¢ Sentiment: Sell Disclosure: Not Held
