Hydrothermal vents Hydrothermal vents Alvold Hot Springs is a geothermal spring located in the southeastern corner of the state of Oregon in the United States. The spring lies on the western edge of the Alvord Desert into which the spring flows and eventually evaporates. To the east of the springs lies Steens Mountain, a north-south running fault with a peak of 9773 feet above sea level. ...more on Wikipedia about "Alvord Hot Springs"
Black smokers are a type of hydrothermal vent found on the ocean floor. Generally hundreds of meters wide, black smokers are formed when superheated water from below the Earth's crust comes through the ocean floor. They are rich in dissolved minerals from the crust, most notably sulfides, which crystallize to create a chimney-like structure around the vent. When the superheated water in the vent comes in contact with the frigid ocean water, many minerals are precipitated, creating the distinctive black color. The metal sulfides that are deposited can become massive sulfide ore deposits in time. ...more on Wikipedia about "Black smoker"
A cold seep (sometimes called a cold vent) is an area of the ocean floor where hydrogen sulfide, methane and other hydrocarbon-rich fluid seepage occurs. Cold seeps are distinct from hydrothermal vents: the former's emissions are of the same temperature as the surrounding seawater, whereas the latter's emissions are super-heated. Cold seeps constitute a biome supporting several endemic species. ...more on Wikipedia about "Cold seep"
A fumarole ( Latin fumus, smoke) is an opening in Earth's (or any other astronomical body's) crust, often in the neighborhood of volcanoes, which emit steam and gases such as carbon dioxide, sulfur dioxide, hydrochloric acid, and hydrogen sulfide. The name solfatara, from the Italian solfo, sulfur (via the Sicilian dialect), is given to fumaroles that emit sulfurous gases. ...more on Wikipedia about "Fumarole"
A geyser is a type of hot spring that erupts periodically, ejecting a column of hot water and steam into the air. The name geyser comes from Geysir, the name of an erupting spring at Haukadalur, Iceland; that name, in turn, comes from the Icelandic verb gjósa, "to gush". ...more on Wikipedia about "Geyser"
A hot spring or a hydrothermal spring is a place where warm or hot groundwater issues from the ground on a regular basis for at least a predictable part of the year, and is significantly above the ambient ground temperature (which is usually around 55–57 °F or 13–14 °C in the eastern United States). ...more on Wikipedia about "Hot spring"
A hydrothermal vent is a fissure in a planet's surface from which geothermally heated water issues. Hydrothermal vents are commonly found in places that are also volcanically active, where hot magma is relatively near the planet's surface. ...more on Wikipedia about "Hydrothermal vent"
This is an alphabetical list of notable geysers, a type of erupting hot spring: ...more on Wikipedia about "List of geysers"
Lost City is a field of hydrothermal vents in the mid-Atlantic ocean that differ significanly from the black smoker vents found in the late 1970s. The vents were discovered in December 2000 during a National Science Foundation expedition to the mid-Atlantic. A second expedition mounted in 2003 used the Alvin submersible to explore the vents. The details of the chemistry and biology of the Lost City hydrothermal field were published in March 2005. ...more on Wikipedia about "Lost City (hydrothermal field)"
Lussier Hot Springs is a quaint and undeveloped hot spring just inside Whiteswan Lake Provincial Park in British Columbia. ...more on Wikipedia about "Lussier Hot Springs"
A mud pot, also called a paint pot, but technically known as solfatare, is a hot spring or fumarole formed in high-temperature geothermal areas where water is in short supply. The little water that is available rises to the surface at a spot where the soil is rich in volcanic ash, clay and other fine particulates. The thickness of the mud usually changes along with seasonal changes in the water table. ...more on Wikipedia about "Mud pot"
The term mud volcano or mud dome is used to refer to formations created by geologically excreted liquids and gases, although there are several different processes which may cause such activity. Temperatures are much cooler than igneous processes. The largest structures are 10 km in diameter and reach 700 metres in height. ...more on Wikipedia about "Mud volcano"
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