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fissure
The opening that you are asking about is called a vent. Magma can burst through any weakness in the side of a Volcano or underground passage where Magma is close to the surface. There are also openings called Tubes that are sometimes formed that Magma flows through that are like channels and the Lava stays very hot and flows very fast through them to the end where it comes out very fluid.
Magma becomes lava after reaching a volcano's vent.Volcanoes have a pocket beneath the surface called a magma chamber. The magma moves upward through a pipe, witch is a long tube that connects the magma chamber to the surface.Molten rocks and gas through it's opening called a vent.It's all written here in a text book called Prentice Hall Earth Science. This information is at page 210.
the flow of magma in eath's crust is called lava.
Pressure builds in the magma chamber forcing it upward through faults in the crust
fissure
The opening that you are asking about is called a vent. Magma can burst through any weakness in the side of a Volcano or underground passage where Magma is close to the surface. There are also openings called Tubes that are sometimes formed that Magma flows through that are like channels and the Lava stays very hot and flows very fast through them to the end where it comes out very fluid.
Magma is called lava once it breaches the surface. Lava bursts out of a volcano when it erupts.
Once magma breaks through the earths crust it is called"lava"
the magma gets to hot it bursts under the sea forming island
Magma becomes lava after reaching a volcano's vent.Volcanoes have a pocket beneath the surface called a magma chamber. The magma moves upward through a pipe, witch is a long tube that connects the magma chamber to the surface.Molten rocks and gas through it's opening called a vent.It's all written here in a text book called Prentice Hall Earth Science. This information is at page 210.
the flow of magma in eath's crust is called lava.
Pressure builds in the magma chamber forcing it upward through faults in the crust
magma
No, when magma forces itself BETWEEN rock layers it is called a sill. When the magma cuts THROUGH rock layers it is called a dike.
These pipelike structures within a volcano are called magma conduits. They are formed when molten magma rises from a magma chamber towards the surface. Conduits can vary in size and shape, and they play a crucial role in allowing the movement of magma, gases, and volcanic materials during an eruption.
vent