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Highly explosive volcanoes tend to have what type of magma?
Highly explosive volcanoes typically have magma that is high in silica content, which leads to increased viscosity. This viscous magma traps gas bubbles, creating significant pressure buildup within the volcano. When the pressure is released, it results in explosive eruptions. The most common types of magma associated with such eruptions are rhyolitic and andesitic magmas.
Is it true that andestitic magma has both an intermediate gas content and explosiveness?
Yes, andesitic magma typically has an intermediate gas content compared to basaltic and rhyolitic magmas. This intermediate gas content contributes to its potential for explosiveness during eruptions, as the trapped gases can create pressure that leads to violent volcanic activity. Consequently, andesitic magma is often associated with stratovolcanoes, which are known for their explosive eruptions.
What type of magma does merapi contain?
Mount Merapi primarily contains andesitic magma, which is characterized by a moderate viscosity and a composition that lies between basaltic and rhyolitic types. This composition allows for explosive eruptions due to the higher gas content and viscosity compared to basaltic magma. The andesitic magma contributes to the formation of stratovolcanoes, like Merapi, which are known for their steep profiles and explosive eruptions.
What is magma composition of Mount Tambora?
It is that it has high silica content
What are some examples of lava?
Examples of lava include basaltic lava, andesitic lava, and rhyolitic lava. Basaltic lava is fluid and forms flat landscapes like the Hawaiian Islands, while andesitic lava is stickier and can create steep volcanoes like those in the Andes. Rhyolitic lava is very viscous and can lead to explosive eruptions, forming features like Yellowstone's geysers.
Does Andesitic magma have both an intermediate gas content and explosiveness?
Andesitic magma typically has an intermediate gas content, resulting in eruptions that can be explosive, but not as violently explosive as magmas with higher gas contents like rhyolitic magma. The explosiveness of Andesitic magma eruptions can be influenced by factors such as the speed of gas release and the presence of water or other volatiles.
Highly explosive volcanoes tend to have what type of magma?
Highly explosive volcanoes typically have magma that is high in silica content, which leads to increased viscosity. This viscous magma traps gas bubbles, creating significant pressure buildup within the volcano. When the pressure is released, it results in explosive eruptions. The most common types of magma associated with such eruptions are rhyolitic and andesitic magmas.
Is it true that andestitic magma has both an intermediate gas content and explosiveness?
Yes, andesitic magma typically has an intermediate gas content compared to basaltic and rhyolitic magmas. This intermediate gas content contributes to its potential for explosiveness during eruptions, as the trapped gases can create pressure that leads to violent volcanic activity. Consequently, andesitic magma is often associated with stratovolcanoes, which are known for their explosive eruptions.
Compare and contrast the three types of magma?
Basaltic Magma is typically forms when rocks in the upper mantle melt...Andesitic Magma is found along continental margins....Rhyolitic Magma forms when molten material rises and mixes with the overlying silica-and water-richcontinental crust...All 3 of them is a magma.
What is magma composition of Mount Tambora?
It is that it has high silica content
What type of lava form the volcano Nevado del ruiz?
Nevado del Ruiz primarily features andesitic lava, which is intermediate in composition between basaltic and rhyolitic lavas. This type of lava is characterized by its moderate viscosity, allowing for explosive eruptions and the formation of stratovolcanoes. The andesitic nature of the lava contributes to the volcano's potential for producing pyroclastic flows and ashfall during eruptions.
What are some examples of lava?
Examples of lava include basaltic lava, andesitic lava, and rhyolitic lava. Basaltic lava is fluid and forms flat landscapes like the Hawaiian Islands, while andesitic lava is stickier and can create steep volcanoes like those in the Andes. Rhyolitic lava is very viscous and can lead to explosive eruptions, forming features like Yellowstone's geysers.
Are geological features created by rhyolitic magma Rhyolitic magma promotes eruptions?
Lava domes are large geological features created by rhyolitic magma. Rhyolitic magma promotes plinian eruptions. Plinian eruptions can happen very quickly and shoot lave several miles into the air.
What type of lava does mauna loa have felsic-rhyolitic intermediate-andesitic mafic-basaltic?
Mauna Loa exhibits non-explosive eruptions (like many in the Hawaiian islands) in the form of low viscosity (more fluid) lava due to poor silica content.
What list places the magma What list places the magma types in order of decreasing?
basaltic,andesitic,rhyolitic
What type of magma is produced by mount Bromo?
Mount Bromo typically produces andesitic magma, which is intermediate in composition between basaltic and rhyolitic magma. Andesitic magma is known for its moderate silica content, resulting in eruptions that can be relatively explosive.
The average composition of rocks comprising a large composite cone or stratovolcano is similar to what magma?
The average composition of rocks in a large composite cone or stratovolcano is similar to andesitic magma. Andesitic magma is intermediate in composition between basaltic and rhyolitic magma, containing elements such as silica, magnesium, and iron. This magma type is responsible for the explosive eruptions characteristic of stratovolcanoes.
