How many megatons of copper would be needed to be mined to make that happen? What would the line loseses look like? where on the planet are there six to eight t

How many megatons of copper would be needed to be mined to make that happen? What would the line loseses look like? where on the planet are there six to eight tine zones next to each other with equal enough demand to make the excess build out work?There is a good reason we dont have this yet