...and your third question is also outlined in the JORC Table 1:...

...and your third question is also outlined in the JORC Table 1:

"Sample preparation was conducted in the Nomos laboratory, Rio de Janeiro, Brazil, involving crushing of a 260kg bulk sample, riffle spiltting and pulverising in a disc pulveriser."

and

"As the extraction methodology is still in the developmental phase it may represent only a partial recovery method for gold and other precious metals."

...but some info might be withheld because it might be commercially sensitive.