3 ms·
Plenty of mines are deeper than a mile, several deeper than two miles. https://en.wikipedia.org/wiki/List_of_deepest_mines https://en.wikipedia.org/wiki/List_o
by card_zero 3y ago
Plenty of mines are deeper than a mile, several deeper than two miles.
https://en.wikipedia.org/wiki/List_of_deepest_mines https://en.wikipedia.org/wiki/List_of_deepest_mines
It gets somewhat hot, I've heard. The Iceland Deep Drilling Project went a bit deeper (still not 3 miles) and hit magma, which is more interesting as an energy source than as a mine.
https://en.wikipedia.org/wiki/Iceland_Deep_Drilling_Project https://en.wikipedia.org/wiki/Iceland_Deep_Drilling_Project
#BoreholesIHaveKnown