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A volcano with high silica content is referred to as a stratovolcano or composite volcano. These volcanoes have highly viscous magma due to the high silica content, leading to explosive eruptions that can be violent and dangerous. Examples include Mt. St. Helens in the United States and Mt. Fuji in Japan.
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What two properties of magma determine what kind of volcano will form?
The silica content and the gas content of magma are two properties that determine what kind of volcano will form. Magma with low silica content and low gas content tends to form effusive, shield volcanoes, while magma with high silica content and high gas content tends to form explosive, stratovolcanoes.
What type of volcano is mountain Eyjafjallajokull?
It is a shield volcano, as it occurs on a divergent pllate boundary (constructive boundary)
Is rhyolite high in silica?
Yes, rhyolite is high in silica. It is a volcanic rock with silica content of around 70% or more. This high silica content contributes to its high viscosity and explosive nature during volcanic eruptions.
Do shells have a high silica content?
Yes, shells such as those of mollusks, crustaceans, and other marine organisms typically have a high silica content. Silica is a key component of their shells and helps provide strength and structure.
What type of lava did Eyjafjallajökull produce?
Eyjafjallajökull volcano produced a type of lava called basaltic lava. Basaltic lava is low in silica content, which makes it less viscous and allows it to flow more easily over the surface, leading to the formation of shield volcanoes like Eyjafjallajökull.
What does the amount of silica in a volcanos magma determine about its eruption?
If a volcano's magma is high in silica, the volcano will probably erupt explosively. If the magma is not high in silica, the volcano will probably erupt quietly.
How much silica is in a composite volcano?
A composite volcano has high silica because they are known to be explosive.
What type of volcano will form from a small volcano erupting with high amounts of silica?
penis
Why is magma with high levels of silica explosive?
The more silica the volcano has, the more the pressure is occurring and eventually it becomes so strong that the volcano erupts .
What causes the difference between quiet and exploses eruptions?
It depends on how much silica is in the magma. If there is low-silica in the magma then the volcano will erupt quietly. If there is high-silica in the magma then the volcano will erupt explosively.
What type of volcano is most likely to form when magma is high in silica?
Lava high in silica (granitic lava) tends to be thick and viscous, so the volcano is likely to be composite rather than shield.
What is silica content of a cinder cone volcano?
The silica content of the lava from a cinder cone volcano is typically low to moderate. This type of volcano erupts basaltic to andesitic lava, which contains lower silica levels compared to other types of volcanoes like stratovolcanoes.
What conditions make for a violent volcano eruptions?
magma and high silica content
What is the shape of a volcano with low silica?
Shield Volcano
Material found in magma that formed from oxygen and silicon?
Silica yes! because when lava from the magma chamber rises toward the top of the volcano the lava or silica it depends on the hot ness of high silica or low silica!!!! :D
How much silica does a composite volcano have?
The silica content will vary from one volcano to the next and will even vary over time for a single volcano. On average, though, composite volcanoes erupt intermediate rocks that are 52-63% silica.
What two properties of magma determine what kind of volcano will form?
The silica content and the gas content of magma are two properties that determine what kind of volcano will form. Magma with low silica content and low gas content tends to form effusive, shield volcanoes, while magma with high silica content and high gas content tends to form explosive, stratovolcanoes.
