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What kind of viscosity lava does Mount Tambora have?
Mount Tambora typically produces highly viscous lava due to its high silica content. This results in the lava being thick and slow-moving, leading to more explosive eruptions.
What type of lava erupts from Mount Etna and how does this effect the eruptions?
Mount Etna typically erupts with basaltic lava, which is low in viscosity and flows more easily compared to other types of lava. This can result in effusive eruptions with lava fountains and lava flows traveling long distances. The low viscosity of basaltic lava allows gases to escape more easily, reducing the risk of explosive eruptions.
What is the viscosity of Mount Vesuvius?
The viscosity of Mount Vesuvius' lava varies depending on its composition, primarily influenced by the amount of silica present. Vesuvius typically produces basaltic to andesitic lava, which has a relatively low viscosity compared to more silica-rich lavas like rhyolite. This low viscosity allows for the formation of fluid lava flows and explosive eruptions. Overall, the viscosity can range from about 10 to 1,000 Pa·s, depending on specific conditions during an eruption.
Was mount st helen's lava a'a or pohoehoe?
Niether. The eruption of 1980 did not produce lava flows, it produced pumice and ash. Afterward it started building a dome of dacitic lava. Pahoehoe and a'a are basaltic lava, which has a different composition and a much lower viscosity.
Is the lava from Mount Rainier high or low vicosity?
The lava from Mount Rainier tends to have higher viscosity due to its composition, which includes more silica and other dissolved gases. This higher viscosity can lead to the lava flowing more slowly and forming steeper volcanic features.
What kind of viscosity lava does Mount Tambora have?
Mount Tambora typically produces highly viscous lava due to its high silica content. This results in the lava being thick and slow-moving, leading to more explosive eruptions.
What type of lava erupts from Mount Etna and how does this effect the eruptions?
Mount Etna typically erupts with basaltic lava, which is low in viscosity and flows more easily compared to other types of lava. This can result in effusive eruptions with lava fountains and lava flows traveling long distances. The low viscosity of basaltic lava allows gases to escape more easily, reducing the risk of explosive eruptions.
Was mount st helen's lava a'a or pohoehoe?
Niether. The eruption of 1980 did not produce lava flows, it produced pumice and ash. Afterward it started building a dome of dacitic lava. Pahoehoe and a'a are basaltic lava, which has a different composition and a much lower viscosity.
Is the lava from Mount Rainier high or low vicosity?
The lava from Mount Rainier tends to have higher viscosity due to its composition, which includes more silica and other dissolved gases. This higher viscosity can lead to the lava flowing more slowly and forming steeper volcanic features.
When Mount Vesuvius last erupted did the lava have high or low viscosity?
The lava from Mount Vesuvius during its last eruption in 1944 had high viscosity, meaning it was thick and flowed slowly. This type of lava often leads to explosive eruptions and can create steep-sided volcanoes.
What is lava called with high viscosity?
Lava with high viscosity is called slica-rich lava
Does High viscosity lava flows faster than low viscosity lava?
No. Viscosity is a liquid's resistance to flow. So higher viscosity means a slower flow.
Low or high viscosity in mount saint Helen's?
The magma beneath Mount St. Helens is typically of low viscosity due to its composition, which is rich in silica and gas. This low viscosity magma allows for gases to escape easily, resulting in explosive eruptions.
How does the silica content of lava impact its viscosity?
Silica content is directly proportional to viscosity, so the higher the silica content of a lava, the higher its viscosity. high viscosity means a lava will be thick and slow moving, hence probably meaning an explosive eruption. lava's with a high viscosity include rhyolite and andesite whereas lava's with a low viscosity (runny ones) include basalt.
Is pyroclastic material likely to form from low-viscosity or high-viscosity lava?
low viscosity lava due to the violent eruption of the volcano
Is pyroclastic material likely to form from low-viscosity lava or high-viscosity lava?
you eat my butt
How are lava tube caves and mount Pinatubo the same?
They both depend on eruptions for their formation but lava tubes form only in large flows of low-viscosity, basaltic,lava. I don't know if this applies to Mt. Pinatubo.
