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Yes, a concentration of heat in the mantle can produce magma through a process called mantle melting. This occurs when temperatures rise sufficiently to melt rock, often due to factors like increased pressure or the presence of water, which lowers the melting point of the rocks. The resulting magma can accumulate and eventually lead to volcanic activity when it rises to the Earth's surface.
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How are pressure and heat involved in melting rock in the mantle?
Pressure and heat in the mantle cause the rocks to become ductile and start deforming. As pressure decreases and heat increases due to the rising of magma, the rocks reach their melting point, allowing them to melt. This melted rock can then rise to the surface as magma and form igneous rocks.
Which of the Earth's layers does the magma come?
Magma is fluid molten rock that exists under the Earth's crust.
Why does magma form at a hot spot?
Magma forms at a hot spot due to the upwelling of hot mantle material from deep within the Earth. This heat source causes rock to melt, creating magma that can eventually make its way to the surface, forming volcanic eruptions. Hot spots are often associated with mantle plumes that bring heat from the core-mantle boundary to the surface.
Where does magma get its heat from and how is it maintained?
The shifting of tectonic plates causes extreme friction, thus heat. The heat is only maintained as long as the magma remains under high pressure. Ounce it's released, it begins to lose heat rapidly.
Does all magma come from the earths core?
No, not all magma comes from the Earth's core. Magma can also originate from the mantle, which is the layer beneath the Earth's crust. The heat and pressure from the mantle can cause rocks to melt and form magma, which can then rise to the surface as volcanic eruptions.
What helps heat the earth?
The outer core and the mantle, which are filled with magma.
What is a hot plume of mantle material which may extend to the core mantle boundary produces a?
A hot plume of mantle material, which may extend to extend to the core-mantle boundary, produces a(n) a volcanic region a few hundred kilometers across
What produces the heat necessary to melt rocks in the mantle?
Pressure
What is used to describe the continuous heating and cooling of magma in the mantle?
The process of continuous heating and cooling of magma in the mantle is known as magma convection. This movement of molten rock helps distribute heat and promote mixing within the mantle, influencing volcanic activity and plate tectonics.
How are pressure and heat involved in melting rock in the mantle?
Pressure and heat in the mantle cause the rocks to become ductile and start deforming. As pressure decreases and heat increases due to the rising of magma, the rocks reach their melting point, allowing them to melt. This melted rock can then rise to the surface as magma and form igneous rocks.
How does heat in the Earth's mantle relate to hotspots and geysers?
Heat in the Earth's mantle is a driving force behind hotspots and geysers. Hotspots are areas where magma plumes rise from the mantle, creating volcanic activity at the surface. Geysers are hot springs that erupt periodic jets of water and steam due to the heating of groundwater by magma and heat from the mantle. Both hotspots and geysers stem from the heat within the Earth's mantle that affects the surface geology.
Which of the Earth's layers does the magma come?
Magma is fluid molten rock that exists under the Earth's crust.
When rocks return to earths mantle to earths mantle they can eventually melt and become magma. and are the main factors that control this change.?
heat and pressure
What is a surface expression of a plume of magma rising from a stationary source of heat in the mantle?
A hotspot volcano.
Area in the Earth's mantle hot enough to melt rock into magma and create volcanoes?
All of the Earth's mantle is hot. And while some geologists believe that there are Mantle plumes (or hot spots) current evidence seems to support a view that mantle plumes do not exist. What causes magma to rise up from the lower crust and mantle is the convection of the mantle and therefore the places where most heat (and magma) is coming up to the surface is along the mid oceanic ridges.
Why does magma form at a hot spot?
Magma forms at a hot spot due to the upwelling of hot mantle material from deep within the Earth. This heat source causes rock to melt, creating magma that can eventually make its way to the surface, forming volcanic eruptions. Hot spots are often associated with mantle plumes that bring heat from the core-mantle boundary to the surface.
Where does magma get its heat from and how is it maintained?
The shifting of tectonic plates causes extreme friction, thus heat. The heat is only maintained as long as the magma remains under high pressure. Ounce it's released, it begins to lose heat rapidly.
