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What is the hot liquid that forms when a rock partially or completely melts?
The hot liquid that forms when a rock partially or completely melts is called magma. Magma is composed of molten rock, mineral crystals, and dissolved gases. It can be found beneath the Earth's surface in the mantle and can erupt onto the surface as lava through volcanic activity.
Is magma rare?
In the grand scheme of the world, no magma is not rare. Magma is liquid rock beneath the earth's surface and since the Athenosphere is an area of partial melt you could argue that beneath the ground at any location there is magma. However it is rare for Magma to ascend and erupt on the earth's surface at lava.
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
What is a vent called through which gas and ash and magma erupt onto the earth's surface?
A vent through which gas, ash, and magma erupt onto Earth's surface is called a volcano.
What changes in the earth's crust by volcanic eruption?
the plates separate allowing magma to erupt out of the ground
How does volcanoes from and erupt?
Volcanoes erupt when pressure from inside the earth pushes magma through a weakness in the earth's surface. As more and more magma erupts, the volcano is formed and grows.
What is the liquid rock in a volcano called?
Liquid or molten rock is called magma when it is below the ground and lava when it flows above the ground.
What is a rock inside earth that has melted into a liquid?
Magma is a molten rock found beneath the Earth's surface. It is formed when rock is heated to extreme temperatures, causing it to melt and become a liquid. Magma can eventually reach the surface and erupt as lava through volcanic activity.
How does the magma get above ground?
Magma rises to the surface through volcanic conduits and pathways called dikes, fractures, and conduits. This process is driven by buoyancy and pressure from the Earth's mantle. As magma moves upward, it can eventually erupt onto the surface as lava through volcanic vents or fissures.
Liquid rock is called?
Liquid or molten rock is called magma when it is below the ground and lava when it flows above the ground.
How do you make vlolcanoe erupt?
You can'tmake a volcano erupt.It happens naturally.What happens is, well, first of all, the planet is separated into plates, and when a plate from way below ground or something like that, it goes under into the magma that is in the center of the Earth. Which forces magma to go upward through "escape routes" (volcanoes).When the magma reaches the surface through the volcano it becomes lava, and it comes out the volcano which is an eruption. So you can't make a volcano erupt.
What causes a geyser to erupt?
A geyser erupts when water beneath the ground is heated by magma, creating pressure that forces the water to shoot out of the ground in a powerful burst.
