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Volcanic Neck

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Q: What is a solid magma core exposed when volcano cone erodes away?
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What describes solid materials erupted from a volcano?

magma is the semi-solid that comes out of the volcano


Exposed solid pipe of old volcano?

Devils Tower in Wyoming is an exposed pipe of an old volcano. It is over 700 feet high and composed of solid rock.


What is solid magma in the core of a volcano?

The Core of the Volcano is actoly the Core of the Earth as Volcano's basicly the earths Air shafts


What name is given to the solid magma core left exposed when erosion wears away the outside of a volcano?

This is known as a volcanic plug or neck. Please see the related link for more information.


What is the name of the solid material ejected by a volcano?

Ash Bombs Lava Magma etc.


Why does rocks from fall from the sky?

When a volcano erupts it releases liquid magma into the air and as it falls to the earth it cools down and becomes solid.


lava?

The magma from the Earth's mantle can rise and collect in spaces called magma chambers. The magma continues to collect here until it is pushed out of a crack in the ground or a volcano.


What is the solid magma core of a volcano called?

Magma is underground, when it reaches the surface it becomes lava. So solidified magma is really lava. The lava flow is the liquid lava as it goes down the mountain, when hard its just hardened lava. Magma is underground, when it reaches the surface it becomes lava. So solidified magma is really lava. The lava flow is the liquid lava as it goes down the mountain, when hard its just hardened lava.


If lava is to hot in a volcano can it burn the volcano down?

This is a silly question...No! Magma (not lava) can melt (not burn) and include some material sorrounding it but could never melt an entire volcano as it would cool down and become solid in doing so.


How does magma go into a volcano?

Being a less dense liquid, it rises toward the surface, seeking the path of least resistance. The volcano is simply a structure created by the rising magma and the surface features of its lava.


Do volcanoes have to be a specific type of rock for lava not to melt through?

No. Some melting of rock occurs in and under a volcano from the magma, but it is only a small fraction of the volcano's rock. There are two reasons for both stemming from the first law of thermodynamics: energy can neither be created nor destroyed, only converted between different forms. This means that for magma or lava to heat up and melt a rock, the lava itself must cool down. In terms of temperature, the magma in a volcano is closer to solidifying than the rock is to melting. Second, the volume of solid rock in a volcano is much larger than the volume of magma.


Is silica a type of gas in a volcano?

No. Silica, or silicon dioxide, is a component of magma and most rocks on earth. It is a solid under most conditions but will form part of the liquid melt of magma. Pure silica in mineral form is called quartz.