hydrothermal vent


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hydrothermal vent

n.
A fissure on the floor of a sea from which flows mineral-rich water that has been heated by underlying magma, forming a precipitate of minerals and providing an ecosystem for extremophiles.
References in periodicals archive ?
Scientists discovered this organism at a hydrothermal vent system near Okinawa, Japan, 3,000 feet below sea level.
hydrothermal vent systems, submarine canyons and giant landslides.
IN 1977, SCIENTIFIC researchers aboard a submarine dubbed Alvin descended down to the seafloor, where they observed a hydrothermal vent located off the Galapagos Islands.
752 Measured at a hydrothermal vent, the hottest ocean temperature, in degrees Fahrenheit
dissertation in international law for Macquarie University, Australia (no date cited), Leary focuses on the sustainable management specifically of deep-sea hydrothermal vent ecosystems, and does not consider other ecosystems in the deep sea that are also subject to bioprospecting, though some of his discussion might apply in such contexts.
Peering through a 30 centimeter (12 inch) porthole, Humphris spied a hydrothermal vent.
A hydrothermal vent is a hole in the ocean floor where hot liquids that often contain minerals and gases rise from sub-surface magma.
This activity is designed to teach about hydrothermal vent ecology.
Since their discovery in 1982, the hydrothermal vent fields of the Guaymas Basin have been visited by a number of scientists conducting geochemical and biological investigations.
Lane and Martin show that bacteria capable of growing on no more than hydrogen and carbon dioxide are remarkably similar in the details of their carbon and energy metabolism to the far-from-equilibrium chemistry occurring in a particular type of deep-sea hydrothermal vent, known as alkaline hydrothermal vents.
Table 1 Collection sites at hydrothermal vent fields on the Juan de Fuca and Explorer Ridges Year Ridge Segment Vent Coordinates 2003 Juan de Fuca Axial Mrk 33 (a), (b) 45[degrees]56.