"There is also an assumption you have made that the drilling is...

"There is also an assumption you have made that the drilling is being done 90 degrees to strike where in fact it could be oblique to strike, that assumption is fine as we do not really have enough info on the strike angle of orientation at the point of drilling to determine if it is oblique or not.

See below. They are drilling as square to the strike of the deposit as they know how.

You do realise there are resources already calculated on Lena/BOD? Esh