AussieChris said:
AussieChris said:just about to sit down and watch episode 5
https://www.prospectingaustralia.com/forum/img/member-images/4915/1510381962_beets.jpg
Interestingly that assumption does not always work. I have sampled dumps where all "unmineralised" boulders, containing no quartz, average 3 to 40 g/t gold. It appears that they simply did not check in some cases (also, most alluvial mines lacked a crusher on site).Eski said:Typically crusher is run when there is a high % of rocks containing gold. IE in a reef claim/mine. In an alluvial mine, that rock containing gold is blended with tones of Country rock (granite,sandstone, Mudstone,whatever) as such the gold obtained from the effort of crushing x amount of rock is not worth it.
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