SEARCH Articles Figures Tables Mid-Oceanic Ridge Deposits Mid-ocean ridge basalt Mid-ocean ridge basalt composition Mid-ocean ridge basalts isotopes Mid-ocean ridge basalts isotopic Mid-ocean ridge basalts isotopic ratios Mid-ocean ridge basalts ratios Mid-ocean ridge basalts trace elements Mid-ocean ridge degassing Mid-ocean ridge geochemistry and Mid-ocean ridge geochemistry and petrology Mid-ocean ridges, hydrothermal vents Mid-oceanic ridge Mid-oceanic ridge Mid-oceanic ridge basalts Ridges Subsurface biosphere at mid-ocean ridges