Hydrothermal vent — Marine habitats White smokers emitting liquid carbon dioxide at the Champagne vent, Northwest Eifuku volcano, Marianas Trench Marine National Monument Littoral zone … Wikipedia
Hydrothermal explosion — A hydrothermal explosion is the process in which water rapidly converts from its liquid to boiling state causing an explosion. Hydrothermal explosion activity drives geothermal activities such as geysers.Cause of explosionWater usually boils at… … Wikipedia
Hydrothermal circulation — in its most general sense is the circulation of hot water; hydros in the Greek meaning water and thermos meaning heat. Hydrothermal circulation occurs most often in the vicinity of sources of heat within the Earth s crust. This generally occurs… … Wikipedia
Vapor-dominated geothermal system — A conceptual model of a hydrothermal system where steam pervades the rock and is the pressure controlling fluid phase. U.S. Dept. of Energy, Energy Information Administration s Energy Glossary … Energy terms
Marshall hydrothermal recovery system — The Marshall Hydrothermal Recovery System is the first patented system designed to utilize underwater hydrothermal vents for energy, mining, and water desalination. It was designed by Bruce C. Marshall of California. Hydrothermal vents typically… … Wikipedia
Thermal Emission Imaging System — The Thermal Emission Imaging System (THEMIS) is a camera on board the 2001 Mars Odyssey orbiter. It images Mars in the visible and infrared parts of the electromagnetic spectrum in order to determine the thermal properties of the surface and to… … Wikipedia
Long Valley Caldera — For the town in New Jersey, see Long Valley, New Jersey :Long Valley Caldera is a depression in eastern California that is adjacent to Mammoth Mountain. The valley is one of the largest calderas on earth, measuring about convert|32|km|mi long… … Wikipedia
volcano — /vol kay noh/, n., pl. volcanoes, volcanos. 1. a vent in the earth s crust through which lava, steam, ashes, etc., are expelled, either continuously or at irregular intervals. 2. a mountain or hill, usually having a cuplike crater at the summit,… … Universalium
Noachian — MOLA colorized relief map of Noachis Terra, the type area for the Noachian System. Note the superficial resemblance to the lunar highlands. Colors indicate elevation, with red highest and blue violet lowest. The blue feature at bottom right is… … Wikipedia
Isua greenstone belt — The Isua greenstone belt is an Archean greenstone belt in southwestern Greenland dated at 3.8 3.7 Ga and contains the oldest known, well preserved, metavolcanic (metamorphosed mafic volcanic), metasedimentary and sedimentary rocks on Earth. It… … Wikipedia
