Geo, where specifically did AVQ determine ‘ the grade...

Geo, where specifically did AVQ determine ‘ the grade differences were negligible’?
Grades are only a small, albeit very significant, part of the commercial equation in any mineral presence. Tonnage is just another part of the commercial equation as are separation and recovery process which in so many resource cases makes the total project commercially unviable. 
It is very encouraging to see the strong cobalt no’s but they do not at this very early stage  mean any where near what the rhetoric infers.