Plough, didn't format unfirtunately -not that you can decipher much from that mess, but the end column is an in-groud value i.e.US$92m silver which I have used for au.eq calcs.
Regarding recovery that is another game all together and answers to that not even in the 18 month window I wouldn't think? I used these figures to get a handle on the Resource only and from my experience they are very robust.
Regarding the Qu Long grade being sub 1% Cu; this is fairly standard for this type of Cu+PM porphry. The magnitude of these reources (i.e +1 bill tonnes) is what makes them economic albeit at huge throughput rates. Often these units are associated with a higher grade halo (say 1% cu eq) but a lot of drilling required to unravel this deposit and this is nothing but speculation. If you want a better feel for this type of deposit have a look at IRN who are developing a Cu/Au porphry which is at the top end grade wise.
cheers
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