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The type of magma significantly influences a volcano's explosivity due to its viscosity and gas content. Magma that is high in silica, such as rhyolitic magma, tends to be more viscous, trapping gases and leading to explosive eruptions when pressure builds up. In contrast, basaltic magma, which is lower in silica and more fluid, allows gases to escape easily, resulting in less explosive, effusive eruptions. Thus, the composition of the magma directly affects the eruption style and intensity.
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The height of a volcano determines its explosive power?
While height can influence the explosivity of a volcano to some extent, it is not the sole determining factor. The composition of magma, the presence of gas and water, and the type of eruption (effusive vs explosive) also play crucial roles in determining a volcano's explosive power. Additionally, factors such as viscosity of magma and volatility of gases can further impact volcanic explosivity.
Are all volcanic eruption are alike?
false
What type of volcanos are igneos rocks formed at?
Basically, all types of Volcanoes. Molten Rock, also called Lava, and Magma are Igneous Rock. They are the rock that comes out of an erupting Volcano.
What name is given to the liquid inside the volcano?
There are several "fiery liquds" that emanate from volcanos. The most common is molten rock.
Which type of magma causes quiet volcanoes?
Mafic magma (low in silica content) typically causes quiet eruptions because it is less viscous and flows more easily, leading to gentle lava flows. These eruptions are characterized by low explosivity and can result in shield volcanoes or lava plateaus.
The height of a volcano determines its explosive power?
While height can influence the explosivity of a volcano to some extent, it is not the sole determining factor. The composition of magma, the presence of gas and water, and the type of eruption (effusive vs explosive) also play crucial roles in determining a volcano's explosive power. Additionally, factors such as viscosity of magma and volatility of gases can further impact volcanic explosivity.
Are all volcanic eruption are alike?
false
Type of mountain where magma breaks the surface?
The type of mountain where magma breaks the surface is a volcano. Their are three types of volcanos, composite, shield, and cinder cones.
Volcanoes erupt hot liquid rock what type of rock is produced by volcanos?
Igneous rock... There are extrusive (formed on the exterior of a volcano by lava) and intrusive (formed on the inside of a volcano by magma).
What type of volcanos are igneos rocks formed at?
Basically, all types of Volcanoes. Molten Rock, also called Lava, and Magma are Igneous Rock. They are the rock that comes out of an erupting Volcano.
What name is given to the liquid inside the volcano?
There are several "fiery liquds" that emanate from volcanos. The most common is molten rock.
Which type of magma causes quiet volcanoes?
Mafic magma (low in silica content) typically causes quiet eruptions because it is less viscous and flows more easily, leading to gentle lava flows. These eruptions are characterized by low explosivity and can result in shield volcanoes or lava plateaus.
What role did viscosity play on the volcanic eruption?
Viscosity of magma affects the explosivity of a volcanic eruption. High-viscosity magma tends to trap gas bubbles, leading to pressure build-up and explosive eruptions, while low-viscosity magma allows gas to escape more easily, resulting in effusive eruptions. Ultimately, the viscosity of magma influences the type and intensity of volcanic activity.
What type of explosiveness does Mount Tambora have?
Mount Tambora is known for having a Plinian-type explosivity, characterized by its violent and highly explosive eruptions that can produce large amounts of volcanic ash, gases, and pyroclastic flows. This type of explosivity is one of the most powerful and destructive volcanic eruption styles.
Are parasitic cone cinder cone the same?
Parasitic cone volcanos and cinder cone volcanos are not the same when classifying. Cinder cone volcanos are the most popular type of volcano, named for its cone shaped formation. Cinder cone volcano are also considered the smallest type of volcanos and can stand alone or grow on the flanks of other volcanos. The parasitic cone volcanos are similar to the cinder cones, however, the volcano is found on the flanks of other volcanos, hence, the name. It is created by flank eruptions of larger volcanos.
The Molten rock below the earth's surface are?
called magma, and when it reaches the surface, it is then referred to as lava. Magma is found in the Earth's mantle, where it can accumulate in magma chambers before being released through volcanic eruptions. Magma composition can vary and influence the type of volcanic activity that occurs.
Why eruption of each volcano different?
Different types of volcanoes erupt differently due to different compositions of the magma chambers as well as differnt magma types being present within the volcanoes. The three main types of magma are Basalt, Andesite, and Rhyolite. These erupt in very different manners.Basalt - Basalt eruptions are ften known as Hawaiian style eruptions, they are categorized by curtains of fire and long rift zones. The magma itself is very fluid in nature, it does not readily trap gasses to explosive levels and therefore has very placid and erupts in flows and layers. Volcanoes of this type are known as shield volcanoes.Andesite - This is an intermediate magma in its viscosity, it will flow but not as well as basalt does. This magma also has the ability to trap dissolved gasses to explosive levels. It is an intermediate viscosity and a volcano of this type would be a stratovolcano or cinder cones.Rhyolite - The most viscous basic form of magma, it does not want to flow and will build into lava domes around active vents. This magma is known for its ability to drive very powerful explosions through its ability to maintian dissolved gas and only let it escape through explosive decompression. A volcano of this type can be a Stratovolcano or a Caldera.
