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Is has Ultramafic rock in it, whereas core is made from Iron Alloy, Basically from metal

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12y ago

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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.


Does the mantle have mafic or felsic in it?

The mantle is ultramafic.


The types of magma?

Felsic, intermediate, mafic and ultra mafic are the four broad types of magma.


What are the two types of magma?

The two main types of magma are mafic and felsic.


What are some different types of magma?

Mafic intermediate and Felsic


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.


Does the presence of water raise the melting point of felsic magma?

No. Water lowers the melting point of magma, both mafic and felsic.


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.


Does magma having a silica content of 50 percent is more mafic than one having a silica content of 70 percent?

No, magma with a silica content of 50 percent is more felsic, while magma with a silica content of 70 percent is more mafic. Silica content is inversely proportional to magma's mafic or felsic classification.


Does Krakatoa have felsic magma or mafic?

Krakatoa volcano typically has mafic magma, which is low in silica content and high in magnesium and iron. This type of magma tends to be more fluid and can lead to explosive eruptions due to the rapid release of gases.


Why is the lava mostly mafic at divergent plate boundaries and intermediate and felsic at convergent plate boundaries?

Mafic magma has extremely high ferromagnesian content, produced by decompression melting. As the plates move apart, mantle rises to fill the void. As it melts, it forms mafic magma. Where plates are meeting, the compression of crust forms magma with higher silica content, thus forming felsic and intermediate magmas.


Is the mt paricutin volcanoes magma mafic intermediate or felsic?

Like most cinder cones Paricutin was fed by mafic magma.