https://www.**promotion blocked**.com/commentaries/2020-01-29/Explaining-exploration-what-is-drilling.html
Diamond drilling is more expensive. A typical diamond drill program probably costs north of $200 per meter, depending on the rock type, the expertise of the drillers, the drill location, and much more. It can also be painfully slow. Grinding through the rock and recovering a complete core takes time and issues often arise. It can take hours or even days to pull up the entire rod string to change the bit when it wears out, or the hole can simply get lost in ‘bad ground’.
even is cost per meter is double of quoted $200 then Inca needs to contribute $200k for 1000m
no gambling required
https://www.**promotion blocked**.com/commentaries/2020-01-29/Explaining-explorat...
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