Difference between revisions of "Vent"
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| − | [[Image:Vent.jpg|thumb|300px|Small lava fountain erupts from a new vent on the flank of Pu`u `O`o spatter and cinder cone on the east rift zone of Kilauea Volcano, Hawai`i.]]''Vents''' are openings in the Earth's crust from which molten rock and volcanic gases escape onto the ground or into the atmosphere. Vents may consist of a single circular-shaped structure, a large elongate fissure and fracture, or a tiny ground crack. The release of volcanic gases and the eruption of molten rock will result in an assortment of constructional features ranging from enormous [[shield volcano]]es and [[caldera]]s to [[fumaroles]] and small rootless [[hornitos]].<ref>http://volcanoes.usgs.gov/Products/Pglossary/vent.html</ref> | + | [[Image:Vent.jpg|thumb|300px|Small lava fountain erupts from a new vent on the flank of Pu`u `O`o spatter and cinder cone on the east rift zone of Kilauea Volcano, Hawai`i.]]'''Vents''' are openings in the Earth's crust from which molten rock and volcanic gases escape onto the ground or into the atmosphere. Vents may consist of a single circular-shaped structure, a large elongate fissure and fracture, or a tiny ground crack. The release of volcanic gases and the eruption of molten rock will result in an assortment of constructional features ranging from enormous [[shield volcano]]es and [[caldera]]s to [[fumaroles]] and small rootless [[hornitos]].<ref>http://volcanoes.usgs.gov/Products/Pglossary/vent.html</ref> |
==References== | ==References== | ||
Revision as of 00:10, August 13, 2007
Vents are openings in the Earth's crust from which molten rock and volcanic gases escape onto the ground or into the atmosphere. Vents may consist of a single circular-shaped structure, a large elongate fissure and fracture, or a tiny ground crack. The release of volcanic gases and the eruption of molten rock will result in an assortment of constructional features ranging from enormous shield volcanoes and calderas to fumaroles and small rootless hornitos.[1]
