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What are some similarities between very gassy magma and not so gassy magma?
gassy magma has more silicon than not so gassy that's why there's loud and quiet explosions by: Rielly Krumbholz
Can the interaction between magma and surrounding rock cause changes in the rock?
Yes. The rock will get hot, of course, and some pieces of rock will become magma itself.
What kind of metamorphism occurs when intrusive magma forms a sill between two sedimentary rock strata?
contact metamorphism
How are mineral formed by crystallization from magma?
As magma cools, elements combine to form minerals.
What determines the type of mineral formed by cooling magma?
The rate of cooling of the magma determines the type of mineral formed by the magma or lava..
Is felsic magma viscous?
Yes. Felsic magma is very viscous.
Is felsic magma eruptive?
Not usually. Because it is so viscous, felsic magma does not erupt as easily as mafic magma. While eruptions of felsic magma do occur, most felsic rocks are intrusive, meaning they solidify underground.
Where do mafic and felsic magma originate?
Felsic is a term that means that a rock contains types of silica. Fesic magma is magma that is high in silica particles and low in iron particles.
Why are felsic rocks melted by mafic magmas but mafic rocks are not melted by felsic magmas?
Felsic rocks have a lower melting point than mafic rocks and felsic magma has a lower temperature. In other words, felsic magma is not hot enough to melt mafic rock while mafic magma is hot enough to melt felsic rock.
What is moving Lava?
Felsic magma.
Does the presence of water raise the melting point of felsic magma?
No. Water lowers the melting point of magma, both mafic and felsic.
What does magma with high silica content form?
When it cools and crystallizes into rock, the rock will be described as felsic igneous rock. Examples of felsic igneous rocks are granite, rhyolite, and pumice.
What type of magma does Mt.Tambora have?
felsic lava
What are the two types of magma?
The two main types of magma are mafic and felsic.
What type of magma containing a lot silica and water vapor?
Felsic magma
What term is used to describe magma that is rich in feldspars and silica?
Felsic magma. This type of magma is viscous with high silica content, resulting in explosive eruptions and the formation of light-colored rocks.
What happen when felsic magma mix with basic magma?
When felsic magma mixes with basic magma, it can lead to the formation of intermediate magma. This mixture can have a different composition in terms of silica and mineral content compared to the original magmas. The interaction can also trigger new chemical reactions, potentially changing the physical properties and eruption behavior of the magma.
