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- Fissure_vent abstract "A fissure vent, also known as a volcanic fissure or simply fissure, is a linear volcanic vent through which lava erupts, usually without any explosive activity. The vent is usually a few meters wide and may be many kilometres long. Fissure vents can cause large flood basalts and lava channels. This type of volcano is usually hard to recognize from the ground and from outer space because it has no central caldera and the surface is mostly flat. The volcano can usually be seen as a crack in the ground or on the ocean floor. Narrow fissures can be filled in with lava that hardens. As erosion removes its surroundings, the lava mass could stand above the surface as a dyke. The dykes that feed fissures reach the surface from depths of a few kilometers. Fissures are usually found in or along rifts and rift zones, such as Iceland and the East African Rift. Fissure vents are often found in shield volcanoes.In Iceland, volcanic vents are often long fissures parallel to the rift zone where lithospheric plates are diverging. Renewed eruptions generally occur from new parallel fractures offset by a few hundred to thousands of metres from the earlier fissures. This distribution of vents and voluminous eruptions of fluid basaltic lava usually build up a thick lava plateau rather than a single volcanic edifice. The Laki fissure system produced the biggest eruption on earth in historical times, in the form of a flood basalt, during the Eldgjá eruption A.D. 934, which released 19.6 km³ (4.7 mi³) of lava.The radial fissure vents of Hawaiian volcanoes produce “curtains of fire” as lava fountains erupt along a portion of a fissure. These vents produce low ramparts of basaltic spatter on both sides of the fissure. More isolated lava fountains along the fissure produce crater rows of small spatter and cinder cones. The fragments that form a spatter cone are hot and plastic enough to weld together, while the fragments that form a cinder cone remain separate because of their lower temperature.".
- Fissure_vent thumbnail Volcano_q.jpg?width=300.
- Fissure_vent wikiPageExternalLink Fissure-Vent.
- Fissure_vent wikiPageExternalLink fissurevent.html.
- Fissure_vent wikiPageID "5814507".
- Fissure_vent wikiPageRevisionID "597152402".
- Fissure_vent hasPhotoCollection Fissure_vent.
- Fissure_vent subject Category:Fissure_vents.
- Fissure_vent subject Category:Lists_of_coordinates.
- Fissure_vent subject Category:Volcanology.
- Fissure_vent type Artifact100021939.
- Fissure_vent type FissureVents.
- Fissure_vent type Hole103526198.
- Fissure_vent type Object100002684.
- Fissure_vent type Opening103848729.
- Fissure_vent type PhysicalEntity100001930.
- Fissure_vent type Vent104526241.
- Fissure_vent type Whole100003553.
- Fissure_vent comment "A fissure vent, also known as a volcanic fissure or simply fissure, is a linear volcanic vent through which lava erupts, usually without any explosive activity. The vent is usually a few meters wide and may be many kilometres long. Fissure vents can cause large flood basalts and lava channels. This type of volcano is usually hard to recognize from the ground and from outer space because it has no central caldera and the surface is mostly flat.".
- Fissure_vent label "Erupção fissural".
- Fissure_vent label "Fissure vent".
- Fissure_vent label "Fissure volcanique".
- Fissure_vent label "Fisura volcánica".
- Fissure_vent label "Spaltenvulkan".
- Fissure_vent label "Spleetvormig eruptiekanaal".
- Fissure_vent label "بركان تصدعي".
- Fissure_vent sameAs Spaltenvulkan.
- Fissure_vent sameAs Fisura_volcánica.
- Fissure_vent sameAs Fissure_volcanique.
- Fissure_vent sameAs Spleetvormig_eruptiekanaal.
- Fissure_vent sameAs Erupção_fissural.
- Fissure_vent sameAs m.0f6rw2.
- Fissure_vent sameAs Q2143039.
- Fissure_vent sameAs Q2143039.
- Fissure_vent sameAs Fissure_vent.
- Fissure_vent wasDerivedFrom Fissure_vent?oldid=597152402.
- Fissure_vent depiction Volcano_q.jpg.
- Fissure_vent isPrimaryTopicOf Fissure_vent.
