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'Hydrothermal siphon' drives water circulation through seafloor
'Hydrothermal siphon' drives water circulation through seafloor
http://feedproxy.google.com/~r/sciencedaily/strange_science/~3/vcnSxIf5SEc/150626083431.htm?utm_source=feedburner&utm_medium=email
Vast quantities of ocean water circulate through the seafloor, flowing through the volcanic rock of the upper oceanic crust. A new study explains what drives this global process and how the flow is sustained. About 25 percent of the heat that flows out of Earth's interior is transferred to the oceans through this process.