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How far is the mantle away from the crust of the earth?
The mantle is located directly beneath the Earth's crust and is approximately 1,800 miles (2,900 kilometers) thick. The boundary between the crust and the mantle is known as the Mohorovičić discontinuity or Moho.
Is the upper mantle part of the lithosphere or asthenosphere?
The The crust and the uppermost layer of the mantle form the lithosphere. The asthenosphere, which is still in the upper mantle, is the next layer down.
Where is old crust pushed down into a trench?
subdution zone
Do folded mountains form by plates being pushed down?
Folded mountains form when tectonic plates collide and the crust is compressed and folded due to the immense pressure. The plates are not pushed down, but rather collide, causing the crust to buckle and fold upward to form mountains.
How is heat transfer in the earths mantle related to the movement of the earths crust?
Heat transfer in the Earth's mantle drives the movement of the Earth's crust through the process of convection. As mantle material heats up, it becomes less dense and rises, causing the overlying crust to move. At the same time, cooler mantle material sinks back down, completing the cycle of heat transfer and driving the continuous motion of tectonic plates.
What happens when a plate of oceanic crust collides with a plate of Continetal crust why?
the oceanic crust slides down and burns in the mantle and forms a volcano
What happens at oceanic-oceanic subduction?
The plate with cooler, denser crust sinks under the other plate, forming a trench. There, the oceanic crust sinks down back into the mantle.
What happens at an oceanic- oceanic subduction?
The plate with cooler, denser crust sinks under the other plate, forming a trench. There, the oceanic crust sinks down back into the mantle.
When rocks are pushed down into the mantle and melt it become?
When rocks are pushed down into the mantle and melt, they become magma. Magma is molten rock located beneath the Earth's surface.
Is the crust also the lithosphere?
Not exactly. The lithosphere is the crust and the top of the mantle (down to the asthenosphere).
What happens when continental collides with continental crust?
The oceanic crust is force down into the mantle in a process called subduction. The subducting oceanic plate will introduce water into the hot mantle, causing some of the rock to melt. The molten rock will rise through the overriding continental crust to form volcanoes.
Ocean plates are pushed down into the upper mantle in what?
Subduction Zones.
What are the oceanic plates pushed down in the upper mantle in?
Subduction Zones.
What are oceanic plates pushed down in the upper mantle in?
Subduction Zones.
How far down does earths mantle go?
The Earth's mantle extends from the base of the crust down to a depth of about 2,900 kilometers (1,800 miles) at the boundary with the outer core. This region is divided into the upper mantle and lower mantle based on differences in composition and behavior.
How does heat transfer from the mantle relate to the movement of earths crust?
Heat transfer from the mantle creates convection currents that drive the movement of Earth's crustal plates. As hotter mantle material rises, it pushes the crust apart at mid-ocean ridges, while cooler material sinks, pulling the crust down in subduction zones. This movement of the crust is known as plate tectonics.
What is the name of the plate where the crust goes back down into the earth?
The mantle
