Ann: Increase in Copper grade during mining, page-70

Exactly. It is only an example. The para above in the report only says that "Observations" .... are "indicating" copper grades within coarse grained copper zones "may" be higher ....

So they have only observed things, not measured them. The words "indicating" and "may" are hardly confidence inspiring. As ozblue says they have been mining for two years. As the company says on page 1 of its 30th December 2014 announcement, they are trucking $1m of copper metal every 15 minutes!

SHOW US THE MONEY!