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Answered 2017-04-21 21:19:30

No. Shield volcanoes are fed by low-viscosity basaltic magma.

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The Hawaiian island volcanoes are shield Volcanoes which have a low viscosity.


They feature magma with very low viscosity


shield volcanoes are formed by lava flows or low viscosity lava that flows easily...


No. A stratovolcano is a large volcano with steep slopes composed of ash and lava flows, mostly from high viscosity material. Such volcanoes are prone to highly explosive eruptions.A shield volcano is a large volcano with shallow slopes composed of flows of low-viscosity lava. Such volcanoes usually do not have explosive eruptions.


Shield volcanoes produce low-silica lava.


There are three types of volcanoes, shield volcanoes, composite volcanoes, and cinder cone volcanoes. Composite volcanoes contain the highest viscosity making them the most explosive volcanoes.


Silica content has an effect on the viscosity of the magma. A high silica content creates a more viscous magma. High viscosity magmas create explosive volcanoes such as cinder cones while low viscosity magmas create non-explosive volcanoes such as shield volcanos.


Yes, but they are not high mountains but shield volcanoes.


Not necessarily. Shield volcanoes are volcanoes, but not all volcanoes are shield volcanoes.


No, they're shield volcanoes. The lava in spatter cones is highly viscous whereas the lava that forms shield volcanoes (that you can see flowing in Hawaii) has a very low viscosity. Shield volcanoes are low profile, broad lumps; these are the Hawaiian islands.


Pahoehoe and a'a are textural variaties of basaltic lava, which has a low viscosity, meaning it flows fairly easily. This is the reason for the gentle slopes of shield volcanoes.


Shield volcanoes, so named for their broad, shield-like profiles, are formed by the eruption of low-viscosity lava that can flow a great distance from a vent. They generally do not explode catastrophically. 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.


high viscosity in magma composition.



Shield - Type / Shapegently sloping sidesComposite - Type / Shapevery steep sides at topShield - Viscosity of Magmalow viscosity / fast flowingComposite - Viscosity of Magmahigh viscosity / slow / thickShield - Silicalow silica contentComposite - Silicahigh silica contentShield - Temperature of Magmahot magmaComposite - Temperature of Magma'cool' magmaShield - Source of Magmadirectly from mantleComposite - Source of Magmamelted crustShield - Densityhigh densityComposite - Densitylow densityShield - Eruption Typequiet eruptions / constantly 'oozing'Composite - Eruption Typeexplosive eruptions / immense pressure / pyroclastic flowShield - Examplehawaii / hot spotsComposite - Examplemt. fuji / convergent boundary


Shield volcanoes is called shield volcanoes because of the base, the base is wide and it's like a warrior shield so that's why it's called shield volcano.


Both shield volcanoes and cinder cones erupt low-viscosity basaltic lava and have eruptions that are only mildly explosive if at all.Cinder cones are small, steep-sloped volcanoes composed primarily of a chunky variety of basalt called scoria.Shield volcanoes are large, gently sloping volcanoes composed primarily of layers of lava flows.


Shield volcanoes produce flows of mafic lava, also called basaltic lava, which has a lower viscosity and low silica content. Oceanic crust has the same composition and so it is fairly easy for shield volcanoes to form here. Continental crust has a higher silica content. As a result, many continent based volcanoes produce much more viscous lavas which produce stratovolcanoes rather than shield volcanoes.


No. The magma that feeds shield volcanoes generally has a low gas content.


A shield volcano has mafic lava because the lava in the shield volcano has a low content of silica, resulting in low viscosity and a lot runnier lava than strato (composite) volcanoes.


They feature magma with very high viscosity


Magma with high silica, high viscosity, and higher gas content.


Yes, all volcanoes erupt, but shield volcanoes don't have explosive eruptions.


Because if you look at them from above, they look like a warrior's shield.


Composite volcanoes have low viscosity magma. BTW go to grammar lessons. It's do composite volcanoes...