4 ms·
If the hole is not wide enough, like less than 1m in diameter, then rising magma would likely cool off and seal the shaft long before the flow would reache the
by Andrew_nenakhov 7y ago
If the hole is not wide enough, like less than 1m in diameter, then rising magma would likely cool off and seal the shaft long before the flow would reache the surface.
- K0SM0S 7y agoTo be fair, it probably isn't the easy approach to drill so thin. Paradoxically (or not), the bigger ones are less of a hassle to manage as you dig deeper.
- Andrew_nenakhov 7y agoKola Borehole diameter is just 23cm