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Why do oceanic plates move under continental plates when the two collide?
Oceanic plates are denser than continental plates, so when they collide at a convergent boundary, the denser oceanic plate is forced to subduct beneath the less dense continental plate. This subduction is driven by the force of gravity pulling the denser plate downward. This process can lead to the formation of volcanic arcs and deep ocean trenches.
What geologic features might form in the surface if one plate goes upward and the other is downward?
Volcanoes are common on this type of plate boundary
Which fault would be found on divergent boundary?
A normal fault is typically found on a divergent boundary. This type of fault occurs as the Earth's crust is being pulled apart, causing one side to move downward relative to the other.
What are plates moving away from one Another?
When plates move towards each other it is called a convergent boundary. The two types of plates converging depends on what happens. When it is oceanic/oceanic, both plates subduct (go downward), leading to the creating of trenches found at the depths of the ocean. When an oceanic plate converges with a continental plate, the more dense oceanic plate subducts under the continental plate, again creating trenches, and also leading to the destruction of the ocean floor. When continental plates converge, they tend to smash up and rise, creating mountains. When plates move apart, it is called a divergent boundary. When oceanic plates move apart, magma rises, cools, and solidifies to create new ocean floor. This, along with continental/oceanic convergence, accounts for seafloor spreading. When two continental plates diverge, the area left between them slowly turns into an ocean. For an example of this type of ocean, look at the Red Sea.
Why are oceanic plates lower than continental plates?
Oceanic plates are denser and thinner than continental plates, which causes them to be lower in elevation. The denser oceanic plates are effectively pulled downward by gravity, causing them to sink beneath the less dense continental plates. This difference in density and thickness results in oceanic plates being lower than continental plates.
The continental slope drops downward dramatically and is considered a boundary line true or false?
TRUE
Does the continental slope drop downward and is considered a boundary line?
Yes, the continental slope drops downward to the edge of the continent at which point it plummets down for the depth of the continental plate. It depends upon whom you speak with, but a nation's boundary is generally considered 200 miles beyond that.
What boundary is a syncline in?
A syncline is a downward fold in rock layers where the youngest rocks are in the center and the oldest rocks are towards the edges. It forms a U shape, with the limbs of the fold dipping towards the center.
What is the Part of the earth or continent that drips gently downward under water?
The part of a continent that dips gently downward and is underwater is called the continental shelf. When a continent drops steeply in to the ocean it is called a continental slope.
The place where the ocean Floor suddenly plunges downward is called the?
continental slope
What is the place where the ocean floor suddenly plunges downward called?
CONTINENTAL SLOPE
The place where the ocoan floor suddenly plunges downward is called?
continental shelf
What type of plate boundary is caused by a downward convection current in the mantel?
A convergent plate boundary is caused by a downward convection current in the mantle. At these boundaries, tectonic plates move towards each other, resulting in subduction zones or collision zones, where one plate is forced beneath the other.
1the place where the ocean floord suddenly plunges downward is calle?
The continental shelf
The place where the ocean floor suddenly plunges downward is called the A. continental shelf. B. continental slope. C. abyssal plain. D. abyssal hill.?
The answer is: B. Continental slope.
What force pushes upward on the continental crust What force pushes downward?
The force pushing upward on the continental crust is isostatic rebound, caused by the buoyancy of the less dense continental crust floating on the denser mantle. The downward force is from the weight of the overlying rock and sediments, as well as tectonic forces like subduction or compression.
Why do oceanic plates move under continental plates when the two collide?
Oceanic plates are denser than continental plates, so when they collide at a convergent boundary, the denser oceanic plate is forced to subduct beneath the less dense continental plate. This subduction is driven by the force of gravity pulling the denser plate downward. This process can lead to the formation of volcanic arcs and deep ocean trenches.
