Volcanic arc
A volcanic arc is a chain of volcanoes formed above a subducting plate,positioned in an arc shape as seen from above. Offshore volcanoes form islands, resulting in a volcanic island arc. Generally, volcanic arcs result from the subduction of an oceanic tectonic plate under another tectonic plate, and often parallel an oceanic trench. The oceanic plate is saturated with water, and volatiles such as water drastically lower the melting point of the mantle. As the oceanic plate is subducted, it is subjected to greater and greater pressures with increasing depth. This pressure squeezes water out of the plate and introduces it to the mantle. Here the mantle melts and forms magma at depth under the overriding plate. The magma ascends to form an arc of volcanoes parallel to the subduction zone.
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Volcanic arc
A volcanic arc is a chain of volcanoes formed above a subducting plate,positioned in an arc shape as seen from above. Offshore volcanoes form islands, resulting in a volcanic island arc. Generally, volcanic arcs result from the subduction of an oceanic tectonic plate under another tectonic plate, and often parallel an oceanic trench. The oceanic plate is saturated with water, and volatiles such as water drastically lower the melting point of the mantle. As the oceanic plate is subducted, it is subjected to greater and greater pressures with increasing depth. This pressure squeezes water out of the plate and introduces it to the mantle. Here the mantle melts and forms magma at depth under the overriding plate. The magma ascends to form an arc of volcanoes parallel to the subduction zone.
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A volcanic arc is a chain of v ...... trench as well as their width.
@en
Een vulkanische boog of eiland ...... anden ten Noorden van Sicilië.
@nl
Los arcos volcánicos son aline ...... oamericano y el arco de Sonda.
@es
Um arco vulcânico é uma cadeia ...... ser continentais ou oceânicos.
@pt
Un arc volcanique est un ensem ...... st appelé ceinture volcanique.
@fr
Un arco vulcanico è una catena ...... utine, l'Alaska e la Kamčatka.
@it
火山弧為鍊狀的火山群,形成於隱沒板塊之上。成群的火山在海上形 ...... 百萬年,活動前緣和海溝間的距離可能會增加,並且增加它的寬度。
@zh
火山弧(かざんこ、英volcanic arc)とは、火山島や ...... 生じる一連のプレートテクトニクスにより形成されたものである。
@ja
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A volcanic arc is a chain of v ...... rallel to the subduction zone.
@en
Een vulkanische boog of eiland ...... n ander deel van de aardkorst.
@nl
Los arcos volcánicos son aline ...... oamericano y el arco de Sonda.
@es
Um arco vulcânico é uma cadeia ...... ser continentais ou oceânicos.
@pt
Un arc volcanique est un ensem ...... st appelé ceinture volcanique.
@fr
Un arco vulcanico è una catena ...... aspetti lungo il suo margine.
@it
火山弧為鍊狀的火山群,形成於隱沒板塊之上。成群的火山在海上形 ...... 沒帶上,一部份板塊隱沒到海洋地殼下,一部分隱沒到大陸地殼下。
@zh
火山弧(かざんこ、英volcanic arc)とは、火山島や ...... 生じる一連のプレートテクトニクスにより形成されたものである。
@ja
label
Arc volcanique
@fr
Arco volcánico
@es
Arco vulcanico
@it
Arco vulcânico
@pt
Volcanic arc
@en
Vulkanische boog
@nl
火山弧
@ja
火山弧
@zh