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What surges to the Earth's surface and can erupt through a vent in the earth's crust?
Magma surges to the Earth's surface and can erupt through a vent in the Earth's crust. This process leads to volcanic eruptions and the formation of features like volcanoes and lava flows.
Is the build up of hardened lava at openings in the Earth's crust from where magma is able to erupt?
volcano
What is the opening in the earth's crust that allows magma to reach the surface?
An opening in the Earth's crust that allows magma to reach the surface is called a volcano. Volcanoes can be found along tectonic plate boundaries where the Earth's crust is weak, allowing magma from the mantle to rise and erupt onto the surface.
The opening in Earth's crust through which magma rises to the surface is known as the?
The opening in the earth crust which magma rise to the surface are Volcanoes
Explain how magma reaches the earths surface?
Magma reaches the Earth's surface through volcanic activity. When magma rises from the mantle due to its lower density, it can accumulate in magma chambers beneath the crust. If the pressure builds sufficiently or if fractures occur in the crust, the magma can erupt, resulting in lava flows, explosive eruptions, or the formation of volcanic structures. This process is driven by the release of gases and the buoyancy of the molten rock.
What surges to the Earth's surface and can erupt through a vent in the earth's crust?
Magma surges to the Earth's surface and can erupt through a vent in the Earth's crust. This process leads to volcanic eruptions and the formation of features like volcanoes and lava flows.
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.
What is the source of materials for volcanoes that erupt in non-explosive and explosive?
Magma and lava also crust?
What changes in the earth's crust by volcanic eruption?
the plates separate allowing magma to erupt out of the ground
Is the build up of hardened lava at openings in the Earth's crust from where magma is able to erupt?
volcano
The movement of magma through the Earth's crust is known as?
The movement of magma through the Earth's crust is known as intrusion.
What are the geological conditions for a volcano?
For a volcano to erupt the pressure from magma beneath the surface of the earth's crust must exceed the weight of the crust above it
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.
A rounded hill pushed up by rising magma?
This is likely a volcanic dome, formed when magma pushes up through the Earth's crust but doesn't erupt outward. The magma cools and solidifies underground, creating a rounded hill-like structure.
What is the opening in the earth's crust that allows magma to reach the surface?
An opening in the Earth's crust that allows magma to reach the surface is called a volcano. Volcanoes can be found along tectonic plate boundaries where the Earth's crust is weak, allowing magma from the mantle to rise and erupt onto the surface.
The opening in Earth's crust through which magma rises to the surface is known as the?
The opening in the earth crust which magma rise to the surface are Volcanoes
What are the steps a volcano has to go through to erupt?
1. Pressure in the magma chamber begins to build up. 2. The pressure forces the magma to go up through the vent. 3. Then it will erupt
