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When volcanic island chain are formed what moves?
When a volcanic island chain is formed, the tectonic plate moves over a hotspot in the Earth's mantle. The hotspot remains stationary while the plate moves, resulting in a series of volcanic islands forming in a line as the plate moves over the hotspot.
What drives the process of plate teconics?
Mantle convection causes the tectonic plates of the Earth to move slowly. Mantle convection is when heat moves from the mantle to the surface and causes the mantle, and the tectonic plates to move very slowly.
Why do most convergent plate boundaries have volcanoes?
When two plates collide, one plate (the heavier, denser plate) is subducted beneath the other plate. This plate contains volatiles, such as water. As the subducting plate is buried, it heats up, and the volatiles contained within the crust evaporate into the mantle above. The mantle is not molten in most places, as many people believe. Instead, it is solid but slightly flexible, like frozen cookie dough. When volatiles are added to the mantle, its melting temperature is decreased, and that area melts. This melted portion of mantle is lower in density, and rises through the overlying mantle to the surface, where it erupts in the form of a volcano.
What happens to the oceanic plate as is descends below 700 km into the mantle?
As the oceanic plate descends below 700 km into the mantle, it undergoes increasing temperatures and pressures, which can cause dehydration and partial melting of the subducted material. This process leads to the release of fluids that can trigger volcanic activity in the overlying mantle. The plate continues to sink deeper, eventually becoming part of the mantle's convective flow, where it may contribute to mantle dynamics and the formation of new geological features. Over time, the plate may eventually be assimilated into the mantle, altering its composition and properties.
What happens when an oceanic plate moves under a continental plate?
When an oceanic plate moves under a continental plate, a subduction zone is formed. The oceanic plate is forced down into the mantle, where it melts and creates magma. This magma can then rise to the surface, causing volcanic activity on the continental plate.
Produced as a plate moves deeper into the mantle?
Trench.um no it is actually earthquakes and volcanoes... your welcome;)
Do deep focus earthquakes occur as a plate moves deeper into the mantle?
yes they do
What is the plate boundary where oceanic crust is destroyed?
The plate boundary where oceanic crust is destroyed is a subduction zone. In this process, one tectonic plate is forced beneath another into the Earth's mantle. As the descending plate moves deeper into the mantle, it is eventually melted down and destroyed.
When volcanic island chain are formed what moves?
When a volcanic island chain is formed, the tectonic plate moves over a hotspot in the Earth's mantle. The hotspot remains stationary while the plate moves, resulting in a series of volcanic islands forming in a line as the plate moves over the hotspot.
What is the force that moves a cool dense plate deep into the mantle?
ridge push
How did Africa and south America separate?
are you stupid or what !?!?!?! its so easy every continent has a plate called plate tectonics crust and mantle crust and mantle yeah yeah you know what it is plate tecttonics WELL//;.//..// It moves 2 inchs a yeah
How does subduction create mountains?
Subduction occurs when one tectonic plate slides beneath another. As the descending plate moves deeper into the Earth's mantle, it heats up and releases water and gases. This causes the overlying plate to melt and form magma, which rises to the surface and creates volcanic activity. The accumulation of this magma and the compression of the overlying plate lead to the formation of mountains.
What move through the earth's crust and mantle in a snakelike fashion?
- The Plates of the Earth (Answer)Example:Take the Pacific Plate and the North American plate. Grab them and collide themtogether, which causes earthquakes, tsunamis and other types of natural disasters. The North American Plate comes under the Pacific Plate into the deeper mantle.
What drives the process of plate teconics?
Mantle convection causes the tectonic plates of the Earth to move slowly. Mantle convection is when heat moves from the mantle to the surface and causes the mantle, and the tectonic plates to move very slowly.
What is produced when a plate moves deeper into the mantle?
As the tectonic plate gets subducted it experiences decompression melting where water is being squeezed out of the crust. At the same time the crusts is subjected to heat and pressure which causes the creation of plumes of molten rock. These plumes are now less dense and extremely hot and due to convection processes rise up. This molten rock forms a magma chamber that ultimately makes its way to the surface forming a volcano.
Why do most convergent plate boundaries have volcanoes?
When two plates collide, one plate (the heavier, denser plate) is subducted beneath the other plate. This plate contains volatiles, such as water. As the subducting plate is buried, it heats up, and the volatiles contained within the crust evaporate into the mantle above. The mantle is not molten in most places, as many people believe. Instead, it is solid but slightly flexible, like frozen cookie dough. When volatiles are added to the mantle, its melting temperature is decreased, and that area melts. This melted portion of mantle is lower in density, and rises through the overlying mantle to the surface, where it erupts in the form of a volcano.
What happens to the oceanic plate as is descends below 700 km into the mantle?
As the oceanic plate descends below 700 km into the mantle, it undergoes increasing temperatures and pressures, which can cause dehydration and partial melting of the subducted material. This process leads to the release of fluids that can trigger volcanic activity in the overlying mantle. The plate continues to sink deeper, eventually becoming part of the mantle's convective flow, where it may contribute to mantle dynamics and the formation of new geological features. Over time, the plate may eventually be assimilated into the mantle, altering its composition and properties.
