tomorrow is the drill date?, page-45

How long is a piece of string?
A. It depends on what type of rig they are using
B. It depends on what the soil type is.
C. It depends on how deep each hole is.
D. It depends on how many hours the rig is in operation each day.
E. Assays may be sent of in groups IE drill 3 holes and send those off for assay.

If you go and look at the last round of drilling reports you may get a better understanding of how ZMI have gone in the past.

You could ring or email the company for some more info, and share it with the rest of us.