Kalenn,
I am corrected again, gold I thought was largely native until it precipitates out of hydrothermal fluids under various conditions. I did miss the bonding with various iron sulphides, if you put refractory ore under a microscope you would see the gold as small flecks on the pyrite/arsenopyrite. It is a complex science as various things can happen and ores can be re-mobilised, quite a few mineralisation deposit styles that can have gold mineralisation.
Will be interesting to see the assay results with hole 4, looks like a nice gold blanket might exist above the copper rich ore which is similar to OD. If it’s like the tennant creek IOCG deposits it might be quite high grade but hopefully extensive like Mt Isa or Stuart shelf deposits. Having bornite also a massive plus as the economics will likely be around a copper based development, though gold at >3gpt would change that drastically.
Ann: Ongoing Review Outlines IOCG/SEDEX Mega-target at Frewena, page-57
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