grk more expensive than nuclear, page-26

So,

What information (eg. temperature, flow rate, etc.) does Dr Goldstein base his pricing on?

and

How is proving Blanche 1 at a shallow depth relevant?

Surely Greenrock need to get to target depth before attempting this costly and critical excercise? These granite bodies are generally large, fairly homogenous masses, but there are many natural variations that make it impossible to conclude anything until the rock is actually cored and observed.