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The tectonic plates, oceanic-to-oceanic convergent boundaries or oceanic-continental convergent boundaries create the ocean trenches. One of the plates that is denser than the other is pushed downwards into the mantle of the Earth by the lighter, and less dense plate. This creates the trench due to the downward motion of the plate. The denser plate's gravity will pull the rest of the plate down with it with time.
Divergent Boundaries underwater is only present at oceanic ridges. This creates the seafloor spreading. The hot magma that may be in an area pushes the older rocks (part of the plate) away from each other, causing a spreading motion.
What else can I help you with?
Movement of tectonic plates is not caused by?
Ocean Current.
What are the valleys under the ocean called?
They are called trenches.
What was discovered that led to the knowledge that tectonic plates exist?
The discovery of seafloor spreading provided evidence for the existence of tectonic plates. This process involves the movement of oceanic crust away from mid-ocean ridges, indicating that the Earth's lithosphere is composed of separate plates that are in motion. This discovery revolutionized our understanding of plate tectonics.
Where do oceanic trenches form?
Oceanic trenches form where two tectonic plates converge, with one plate being forced beneath the other in a process known as subduction. This creates deep, narrow depressions in the ocean floor, some of which are the deepest parts of the ocean.
Why are most trenches on the sea floor found around the rim of the pacific ocean?
It is the converging boundaries of two tectonic plates, with one submerged under the other, this explains the trenches and the frequent seismic activity in the area (also know as the Ring of Fire).
What do ocean trenches result from?
Movement of the tectonic plates.
What make trenches in the ocean?
Deep ocean trenches can be formed by undersea earthquakes, land-slides, but also by the movement along the edges of tectonic plates.
How deep trenches are formed?
Deep-ocean trenches are formed where seafloor tectonic plates subduct under continental plates.
How Ar ocean trenches formed?
They form by erosion, either from under water volcanos or the currents that constantly move the water. The point is they both cause trenches, also oceanic plate movement.
What is Titanic plate movement?
The Titanic plate movement refers to the process of one tectonic plate subducting beneath another plate in the Earth's lithosphere. This movement can lead to the formation of deep ocean trenches, volcanic arcs, and earthquakes along the boundaries of the plates.
Movement of tectonic plates is not caused by?
Ocean Current.
What other ocean floor feature is formed by movement of Earth's plates?
what other ocean floor feature is fromed by movement of earth's plates
Do oceanic plates move?
the ocean plates move because of the movement of the the tectonic plates beneath the ocean and do to the motion of the oceans currents.
What are the valleys under the ocean called?
They are called trenches.
What does it create when two tectonic plates collide?
Ocean trenches, volcanic arcs, mountains, uplands, and volcanic islands.
Why does an ocean trench occur?
oceanic trenches occur where tectonic plates collide and one is pushed underneath the other.
What was discovered that led to the knowledge that tectonic plates exist?
The discovery of seafloor spreading provided evidence for the existence of tectonic plates. This process involves the movement of oceanic crust away from mid-ocean ridges, indicating that the Earth's lithosphere is composed of separate plates that are in motion. This discovery revolutionized our understanding of plate tectonics.
