Mantle helium reveals Southern Ocean hydrothermal venting

Physics & Astronomy

• venting 100%
• Earth mantle 81%
• oceans 74%
• ridges 68%
• mid-ocean ridges 62%
• helium 54%
• helium isotopes 45%
• blanks 20%
• plumes 17%
• sectors 14%
• anomalies 13%
• cycles 11%
• energy 5%

Earth & Environmental Sciences

• venting 82%
• mid-ocean ridge 80%
• mantle 50%
• hydrothermal activity 40%
• ocean 39%
• transect 29%
• plume 27%
• anomaly 23%
• energy 16%
• distribution 12%