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      Ridge crest hydrothermal activity and the balances of the major and minor elements in the ocean: The Galapagos data

      , , , , , , ,

      Earth and Planetary Science Letters

      Elsevier BV

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          Submarine thermal sprirngs on the galapagos rift.

          The submarine hydrothermal activity on and near the Galápagos Rift has been explored with the aid of the deep submersible Alvin. Analyses of water samples from hydrothermal vents reveal that hydrothermal activity provides significant or dominant sources and sinks for several components of seawater; studies of conductive and convective heat transfer suggest that two-thirds of the heat lost from new oceanic lithosphere at the Galápagos Rift in the first million years may be vented from thermal springs, predominantly along the axial ridge within the rift valley. The vent areas are populated by animal communities. They appear to utilize chemosynthesis by sulfur-oxidizing bacteria to derive their entire energy supply from reactions between the seawater and the rocks at high temperatures, rather than photosynthesis.
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            Chemical Characteristics of Oceanic Basalts and the Upper Mantle

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              Primordial neon, helium, and hydrogen in oceanic basalts

               H. Craig,  J.E. Lupton (1976)
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                Author and article information

                Journal
                Earth and Planetary Science Letters
                Earth and Planetary Science Letters
                Elsevier BV
                0012821X
                December 1979
                December 1979
                : 46
                : 1
                : 1-18
                Article
                10.1016/0012-821X(79)90061-X
                © 1979

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