3 ms·So, unknown what's between 410km and these hydrothermal vents at 3km (3020m)?by westurner 2y agoSo, unknown what's between 410km and these hydrothermal vents at 3km (3020m)?pfdietz 2y agoI didn't say that, it's just that it isn't relevant.westurner 2y agoIn your opinion, a subsurface ocean is not relevant to hydrothermal vents.pfdietz 2y agoNot one so deep, no.