Submarine thermal sprirngs on the galapagos rift - PubMed

Submarine thermal sprirngs on the galapagos rift

J B Corliss et al. Science. 1979.

Abstract

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.

Comment in

• Forty years of fathoming life in hot springs on the ocean floor.

  Van Dover CL. Van Dover CL. Nature. 2019 Mar;567(7747):182-184. doi: 10.1038/d41586-019-00728-3. Nature. 2019. PMID: 30850741 No abstract available.

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