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Do the most violent volcanoes spew mafic?
No. The most violent eruptions involve felsic magma.
What is common of most volcanoes that have the most violent eruptions?
They feature magma with very high silica content.
What are three facts about composite volcanoes?
Multiple eruptions form composite volcanoes. Andesite magma is the most common type of magma that erupts from composite volcanoes. Composite volcanoes can grow so high that their slopes become unstable and collapse.
What type of magma do highly explosive volcanoes have?
Highly explosive volcanoes typically have viscous, silica-rich magma known as rhyolitic magma. This type of magma contains high amounts of gas and is prone to causing explosive eruptions due to the trapped pressure within the magma chamber.
What type of rock forms most often near active volcano?
Most often, igneous rocks such as basalt and andesite form near active volcanoes. These rocks are created by the solidification of magma that has erupted onto the Earth's surface.
What valuable things do volcanoes produce?
Land is probably the most valuable thing volcanoes produce. Volcanoes typically erupt and magma bursts out and when it flows on the land it forms newly required land. This land is made then by the magma cooling off.
What does most magma forms from?
Most magma forms from the partial melting of Earth's mantle rocks. As these rocks are subjected to high temperatures and pressures in the mantle, certain minerals melt at different temperatures, leading to the formation of magma.
How are most volcanoes formed?
by an earthquake and magma pushs up into thee valcaneo
Do the most violent volcanoes spew mafic?
No. The most violent eruptions involve felsic magma.
What is common of most volcanoes that have the most violent eruptions?
They feature magma with very high silica content.
Where do volcanos happen?
Most volcanoes appear at the tectonic plate boundaries where friction between the plates and the mantle makes magma which then push through near the plate boundaries forming volcanoes.
What type of magma do highly explosive volcanoes have?
Highly explosive volcanoes typically have viscous, silica-rich magma known as rhyolitic magma. This type of magma contains high amounts of gas and is prone to causing explosive eruptions due to the trapped pressure within the magma chamber.
What are three facts about composite volcanoes?
Multiple eruptions form composite volcanoes. Andesite magma is the most common type of magma that erupts from composite volcanoes. Composite volcanoes can grow so high that their slopes become unstable and collapse.
Why don't mountains erupt?
Most mountains are not volcanoes and so have no plumbing system to deliver magma to the surface.
Why do volcanoes often occur at convergent plate boundaries?
Because that is where thee is most magma exerting force
What type of rock forms most often near active volcano?
Most often, igneous rocks such as basalt and andesite form near active volcanoes. These rocks are created by the solidification of magma that has erupted onto the Earth's surface.
Volcanoes typically have the most explosive eruptions?
Large explosive eruptions are generally characteristic of stratovolcanoes.
