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What type of lava comes out of El Chichon?
El Chichon volcano in Mexico typically erupts with andesitic lava, which is known for its intermediate viscosity between basaltic and rhyolitic lava types. Andesitic lava flows can be thick and slow-moving, leading to significant volcanic hazards.
Correct order of decreasing magma viscosity?
The amount of viscosity present in magma depends on the amount of silica it has. A composite volcano produces rhyolitic lava which is very thick. A shield volcano produces a basaltic lava with less silica and significantly less viscosity.
What kind of lava is so thick in consistency that it barley creeps along the ground?
The type of lava that is thick in consistency and barely creeps along the ground is known as "andesitic lava." This lava has a higher viscosity due to its composition, which includes higher silica content compared to basaltic lava. As a result, it flows slowly and can build up into steep-sided volcanic domes or plug formations. The thick nature of andesitic lava often leads to explosive volcanic activity when pressure builds up beneath the surface.
What types of volcanoes are created when andesitic magma erupts?
Andesitic magma will result in the formation of a stratovolcano, also called a composite volcano.
Is basaltic or andesitic magma hotter?
Basaltic magma is hotter than andesitic magma. Basaltic magma typically has temperatures ranging from 1000°C to 1200°C, while andesitic magma has temperatures around 800°C to 1000°C.
Is basaltic lava less fluid than andesitic lava?
No, basaltic lava is typically more fluid than andesitic lava due to its lower silica content. This results in basaltic lava flowing more easily and spreading over larger areas compared to andesitic lava.
What is source material for andesitic magma?
Andesitic magma is typically sourced from the partial melting of subducted oceanic crust and overlying mantle at convergent plate boundaries. This process results in the formation of a magma with intermediate silica content, giving rise to andesitic volcanic rocks.
What list places the magma What list places the magma types in order of decreasing?
basaltic,andesitic,rhyolitic
What is the difference of andesitic and andesite?
Andesite is a type of extrusive igneous rock with moderate levels of silica. Andesitic is an adjective used to describe volcanic material with the composition of andesite. For example, andesitic lava will cool to form andesite.
What type of lava flows from llaima?
basaltic-andesitic
How does andesitic rise to the surface?
magma rises and cools
Is pumice andesitic?
Yes, pumice is typically an andesitic volcanic rock. It forms when frothy lava containing high amounts of gas vesicles cools rapidly and solidifies. This type of volcanic rock is commonly found in areas with explosive volcanic activity.
