Fifteen Times Per Kilometre, a Third Per User: the Two Units That Decide Argentina’s Mining Push-to-Talk
A brine field costs USD 7,222 per square kilometre to cover. An underground mine costs USD 110,000. Per user, the same two sites invert: USD 2,600 against USD 942.86. Both numbers are correct, and which one a business case uses decides whether Argentina's next mine looks impossible or obvious.