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What do ingeous rocks form from?
a type of rock that forms when magma cools and hardens very slowly deep in earths crust...
Which formation occurs when magma pushes all the way through the exterior of the earths crust?
volcanic mountain
When rock melts at calderas and then is forced toward the crust as what?
When rock melts at calderas, it forms magma. This magma is then forced towards the Earth's crust as lava through volcanic eruptions.
When magma reaches the exterior of the Earths crust is becomes?
Lava
What is an opening in the earths crust through which volcanic materials pass to the earths surface?
An opening in the Earth's crust through which volcanic materials pass to the Earth's surface is called a volcanic vent. Magma from beneath the Earth's surface is forced upwards through these vents, often resulting in volcanic eruptions.
Magma that breack through the earths curst is called?
Once magma breaks through the earths crust it is called"lava"
How does magma rise to the surface of the Earth?
Through cracks, holes or vents in the earths crust.
What do ingeous rocks form from?
a type of rock that forms when magma cools and hardens very slowly deep in earths crust...
Which formation occurs when magma pushes all the way through the exterior of the earths crust?
volcanic mountain
How does the silica content of earths crust under the oceans get magma?
Silica-rich magma forms in mid-ocean ridges due to partial melting of the upper mantle, as a result of increased temperature and decreased pressure. This magma rises through cracks in the oceanic crust and can eventually erupt at the surface as lava.
What is the effect of actions of magma in the earths crust?
It is from the Volcano
What is magma that has escaped from the earths crust called?
Lava!
How do volcanoes takes place?
Volcanoes are essentially holes in the earths surface through which magma and lava can erupt. when pressure builds up below the earths crust, magma is then forced violently out of the volcanoes.
When rock melts at calderas and then is forced toward the crust as what?
When rock melts at calderas, it forms magma. This magma is then forced towards the Earth's crust as lava through volcanic eruptions.
What is melted rock on the earths is called?
Lava....when its under the earths crust its called magma.
When magma reaches the exterior of the Earths crust is becomes?
Lava
What is it called when magma hardens beneath the earths surface?
crust
