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Injection
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∙ 14y ago
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What is magma that hardens after being forced into a crack across rock?
Magma that hardens after being forced into a crack across rock is called a dike.
How is a magma chamber formed in a volcano?
Magma rises through fractures from beneath the crust because it is less dense than the surrounding rock. When the magma cannot find a path upwards it pools into a magma chamber. As more magma rises up below it, the pressure in the chamber grows.
Could property of magma that cause it to be forced upward towards earth surface?
Because magma is less dense than the surrounding solid rock, it is forced upward toward the surface. When magma reaches the surface and flows from volcanoes, it is called lava.
How does magma get pushed through a vent?
Magma gets pushed through a vent because when the volcano ruptures it is forced out of the volcano.
What is molten magma called when it is forced onto the earth's surface?
Lava!
What is magma that hardens after being forced into a crack across rock?
Magma that hardens after being forced into a crack across rock is called a dike.
Which type of intrusive feature forms when when magma is injected into fractures cutting across rock layers?
sill
Which type of intrusive feature when magma is injected into fractures cutting across preexisting rock layers?
sill
How is a magma chamber formed in a volcano?
Magma rises through fractures from beneath the crust because it is less dense than the surrounding rock. When the magma cannot find a path upwards it pools into a magma chamber. As more magma rises up below it, the pressure in the chamber grows.
Which type of intrusive feature forms when magma is injected into fractures cutting across preexisting rock layers?
sill
Could property of magma that cause it to be forced upward towards earth surface?
Because magma is less dense than the surrounding solid rock, it is forced upward toward the surface. When magma reaches the surface and flows from volcanoes, it is called lava.
How does magma get pushed through a vent?
Magma gets pushed through a vent because when the volcano ruptures it is forced out of the volcano.
What is molten magma called when it is forced onto the earth's surface?
Lava!
What is the area where magma is forced up through a crack in the lithosphere?
Volcano.
When rock melts at calderas and then is forced toward the crust as what?
magma i believe
Are sills tabular discordant bodies that are produced when magma is injected into fractures?
No, they are a tabular igneous body that was intruded parallel to the layering of preexisting rock.
What cause a quiet eruption?
Basaltic magma is forced upward in a vent
