Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Volcanic_arc> ?p ?o }
- Volcanic_arc abstract "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 they 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.These should not be confused with hotspot volcanic chains, where volcanoes often form one after another in the middle of a tectonic plate, as the plate moves over the hotspot, and so the volcanoes progress in age from one end of the chain to the other. The Hawaiian Islands form a typical hotspot chain; the older islands (tens of millions of years) to the northwest are smaller and more lush than the recently created (400,000 years ago) Hawaii island itself, which is more rocky. Hot spot volcanoes are also known as "Intra-plate" volcanoes and the islands they create are known as Volcanic Ocean Islands. Volcanic arcs do not generally exhibit such a simple age pattern.There are two types of volcanic arcs: oceanic arcs form when oceanic crust subducts beneath other oceanic crust on an adjacent plate, creating a volcanic island arc. (Not all island arcs are volcanic island arcs.) continental arcs form when oceanic crust subducts beneath continental crust on an adjacent plate, creating an arc-shaped mountain belt. (Not all mountain belts are formed this way.)In some situations, a single subduction zone may show both aspects along its length, as part of a plate subducts beneath a continent and part beneath adjacent oceanic crust. (The term "volcanic arc" is often confused with the term "island arc". The former is a series of volcanoes, but not necessarily offshore. The latter is a series of islands, not necessarily composed solely of volcanoes.) Volcanoes are present in almost any mountain belt, but this does not make it a volcanic arc. Often there are isolated, but impressively huge volcanoes in a mountain belt. For instance, Vesuvius and the Etna volcanoes in Italy are part of separate but different kinds of mountainous volcanic ensembles.The active front of a volcanic arc is the belt where volcanism develops at a given time. Active fronts may move over time (millions of years) changing their distance from the oceanic trench as well as their width.".
- Volcanic_arc thumbnail Casta_Marianas.jpg?width=300.
- Volcanic_arc wikiPageExternalLink japan_tec.html.
- Volcanic_arc wikiPageExternalLink island_oceanic_continental.html.
- Volcanic_arc wikiPageExternalLink subducvolc_page.html.
- Volcanic_arc wikiPageID "1102339".
- Volcanic_arc wikiPageLength "8804".
- Volcanic_arc wikiPageOutDegree "107".
- Volcanic_arc wikiPageRevisionID "672319180".
- Volcanic_arc wikiPageWikiLink Alaska_Peninsula.
- Volcanic_arc wikiPageWikiLink Aleutian_Islands.
- Volcanic_arc wikiPageWikiLink Aleutian_Range.
- Volcanic_arc wikiPageWikiLink Andaman_Islands.
- Volcanic_arc wikiPageWikiLink Andean_Volcanic_Belt.
- Volcanic_arc wikiPageWikiLink Andes.
- Volcanic_arc wikiPageWikiLink Atlantic_Ocean.
- Volcanic_arc wikiPageWikiLink Back-arc_basin.
- Volcanic_arc wikiPageWikiLink Batholith.
- Volcanic_arc wikiPageWikiLink Bonin_Islands.
- Volcanic_arc wikiPageWikiLink Calc-alkaline.
- Volcanic_arc wikiPageWikiLink Calc-alkaline_magma_series.
- Volcanic_arc wikiPageWikiLink Cascade_Volcanoes.
- Volcanic_arc wikiPageWikiLink Category:Archipelagoes.
- Volcanic_arc wikiPageWikiLink Category:Coastal_and_oceanic_landforms.
- Volcanic_arc wikiPageWikiLink Category:Plate_tectonics.
- Volcanic_arc wikiPageWikiLink Category:Volcanic_arcs.
- Volcanic_arc wikiPageWikiLink Central_America_Volcanic_Arc.
- Volcanic_arc wikiPageWikiLink Chlorite_group.
- Volcanic_arc wikiPageWikiLink Continental_arc.
- Volcanic_arc wikiPageWikiLink Continental_crust.
- Volcanic_arc wikiPageWikiLink Earthquake.
- Volcanic_arc wikiPageWikiLink Erosion.
- Volcanic_arc wikiPageWikiLink Flux_melting.
- Volcanic_arc wikiPageWikiLink Hawaiian_Islands.
- Volcanic_arc wikiPageWikiLink Hellenic_arc.
- Volcanic_arc wikiPageWikiLink High_island.
- Volcanic_arc wikiPageWikiLink Hotspot_(geology).
- Volcanic_arc wikiPageWikiLink Hypocenter.
- Volcanic_arc wikiPageWikiLink Insular_Islands.
- Volcanic_arc wikiPageWikiLink Intermontane_Islands.
- Volcanic_arc wikiPageWikiLink Intrusion.
- Volcanic_arc wikiPageWikiLink Island_arc.
- Volcanic_arc wikiPageWikiLink Island_arcs.
- Volcanic_arc wikiPageWikiLink Izu-Bonin-Mariana_Arc.
- Volcanic_arc wikiPageWikiLink Izu_Islands.
- Volcanic_arc wikiPageWikiLink Japanese_Archipelago.
- Volcanic_arc wikiPageWikiLink Japanese_archipelago.
- Volcanic_arc wikiPageWikiLink Kai_Islands.
- Volcanic_arc wikiPageWikiLink Kamchatka.
- Volcanic_arc wikiPageWikiLink Kamchatka_Peninsula.
- Volcanic_arc wikiPageWikiLink Kermadec_Islands.
- Volcanic_arc wikiPageWikiLink Kuril_Islands.
- Volcanic_arc wikiPageWikiLink Leeward_Antilles.
- Volcanic_arc wikiPageWikiLink Lesser_Antilles.
- Volcanic_arc wikiPageWikiLink Lesser_Sunda_Islands.
- Volcanic_arc wikiPageWikiLink Lithic_sandstone.
- Volcanic_arc wikiPageWikiLink Lithosphere.
- Volcanic_arc wikiPageWikiLink Luzon_Volcanic_Arc.
- Volcanic_arc wikiPageWikiLink Magma.
- Volcanic_arc wikiPageWikiLink Mantle_(geology).
- Volcanic_arc wikiPageWikiLink Mariana_Islands.
- Volcanic_arc wikiPageWikiLink Mascarene_Islands.
- Volcanic_arc wikiPageWikiLink Mentawai_Islands.
- Volcanic_arc wikiPageWikiLink Mentawai_Islands_Regency.
- Volcanic_arc wikiPageWikiLink Mount_Etna.
- Volcanic_arc wikiPageWikiLink Mount_Vesuvius.
- Volcanic_arc wikiPageWikiLink Mountain.
- Volcanic_arc wikiPageWikiLink Mountain_belt.
- Volcanic_arc wikiPageWikiLink Nicobar_Islands.
- Volcanic_arc wikiPageWikiLink North_America.
- Volcanic_arc wikiPageWikiLink Northeastern_Japan_arc.
- Volcanic_arc wikiPageWikiLink Oceanic_arc.
- Volcanic_arc wikiPageWikiLink Oceanic_crust.
- Volcanic_arc wikiPageWikiLink Oceanic_trench.
- Volcanic_arc wikiPageWikiLink Orogeny.
- Volcanic_arc wikiPageWikiLink Pacific_Ocean.
- Volcanic_arc wikiPageWikiLink Philippines.
- Volcanic_arc wikiPageWikiLink Plate_tectonics.
- Volcanic_arc wikiPageWikiLink Pluton.
- Volcanic_arc wikiPageWikiLink Plutonic_rock.
- Volcanic_arc wikiPageWikiLink Ryukyu_Islands.
- Volcanic_arc wikiPageWikiLink Sakhalin_island_arc.
- Volcanic_arc wikiPageWikiLink Scotia_Arc.
- Volcanic_arc wikiPageWikiLink Seismic.
- Volcanic_arc wikiPageWikiLink Seismology.
- Volcanic_arc wikiPageWikiLink Sierra_Nevada_(U.S.).
- Volcanic_arc wikiPageWikiLink Slab_(geology).
- Volcanic_arc wikiPageWikiLink Solomon_Islands.
- Volcanic_arc wikiPageWikiLink South_Aegean_Volcanic_Arc.
- Volcanic_arc wikiPageWikiLink South_America.
- Volcanic_arc wikiPageWikiLink South_Georgia_and_the_South_Sandwich_Islands.
- Volcanic_arc wikiPageWikiLink South_Sandwich_Islands.
- Volcanic_arc wikiPageWikiLink Subduction.
- Volcanic_arc wikiPageWikiLink Subduction_zone_metamorphism.
- Volcanic_arc wikiPageWikiLink Sunda_Arc.
- Volcanic_arc wikiPageWikiLink Tanimbar_Islands.
- Volcanic_arc wikiPageWikiLink Tectonic_plate.
- Volcanic_arc wikiPageWikiLink Tonga.
- Volcanic_arc wikiPageWikiLink Vesuvius.
- Volcanic_arc wikiPageWikiLink Volcanic_arc.