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What list places the magma What list places the magma types in order of decreasing?
basaltic,andesitic,rhyolitic
What are examples of magma?
Examples of magma include basaltic magma, andesitic magma, and rhyolitic magma. Basaltic magma is the most common type and is associated with oceanic volcanic activity. Andesitic magma has intermediate silica content and is found at convergent plate boundaries. Rhyolitic magma is highly viscous and contains high amounts of silica, commonly found in continental volcanic regions.
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 minerals are found in andesitic rocks?
Andesitic rocks typically contain minerals such as plagioclase feldspar, amphibole, pyroxene, and biotite. These minerals form as a result of the cooling and solidification of magma with intermediate silica content.
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.
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.
What list places the magma What list places the magma types in order of decreasing?
basaltic,andesitic,rhyolitic
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.
Are pyroclasts formed by basaltic magma or andesitic magma?
Pyroclasts can be formed by both basaltic and andesitic magma. Basaltic magma typically forms pyroclastic materials like scoria and ash, while andesitic magma can produce a variety of pyroclasts including volcanic bombs and pumice. The type of pyroclasts produced depends on factors such as the composition of the magma and the eruption style.
What are examples of magma?
Examples of magma include basaltic magma, andesitic magma, and rhyolitic magma. Basaltic magma is the most common type and is associated with oceanic volcanic activity. Andesitic magma has intermediate silica content and is found at convergent plate boundaries. Rhyolitic magma is highly viscous and contains high amounts of silica, commonly found in continental volcanic regions.
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.
How does andesitic rise to the surface?
magma rises and cools
What type rock can form magma andesitic?
Andesitic magma typically forms in subduction zone environments, where oceanic crust is forced beneath continental crust. This process leads to the melting of both the subducting slab and the overlying mantle, resulting in the generation of andesitic magma. The primary rock types associated with this process are basaltic rocks, which can partially melt and contribute to the formation of andesitic magma through fractional crystallization and mixing with other magma types.
What minerals are found in andesitic rocks?
Andesitic rocks typically contain minerals such as plagioclase feldspar, amphibole, pyroxene, and biotite. These minerals form as a result of the cooling and solidification of magma with intermediate silica content.
What type of magma is found on composite volcano?
The average composition of magma in a composite volcano is andesitic. Composite volcanoes are highly variable though. They can erupt anything from basalt to rhyolite.
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.
What type of magma flows from Mount Rainier?
Mount Rainier primarily erupts andesitic magma, which is a type of intermediate magma that is thicker and more viscous than basaltic magma. Andesitic magma often leads to explosive eruptions due to its high gas content and tendency to trap pressure.
