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Volcano
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===Shield volcanoes=== {{Main|Shield volcano}} [[File:Skjaldbreidur Herbst 2004.jpg|left|thumbnail|[[Skjaldbreiður]], a shield volcano whose name means "broad shield"]] Shield volcanoes, so named for their broad, shield-like profiles, are formed by the eruption of low-viscosity basaltic or andesitic lava that can flow a great distance from a vent. They generally do not explode catastrophically but are characterized by relatively gentle [[effusive eruption]]s.<ref name=dkp/> Since low-viscosity magma is typically low in silica, shield volcanoes are more common in oceanic than continental settings. The Hawaiian volcanic chain is a series of shield cones, and they are common in [[Iceland]], as well.<ref name=nps>{{cite web|title=Shield Volcanoes (U.S. National Park Service)|website=[[National Park Service]]|access-date=25 December 2024|url=https://www.nps.gov/articles/000/shield-volcanoes.htm#:~:text=Hawai'i%20Volcanoes%20National%20Park,active%20volcano%20on%20the%20planet.}}</ref> [[Olympus Mons]], an extinct martian shield volcano is the largest known volcano in the [[Solar System]].<ref name=msv>{{cite web|title=Olympus Mons - Description, Height, & Facts - Britannica|website=Britannica|url=https://www.britannica.com/place/Olympus-Mons|access-date=25 December 2024}}</ref>
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