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What are ocean trenches associated with?
Deep ocean trenches are associated with subduction zones where an ocean plate descends into the asthenosphere. The Ocean plate is heavier than a Continental plate which causes the Ocean plate to slide beneath the Continental plate. As the Ocean plate descends, a deep ocean trench is formed.
What are deep ocean trenches associated with?
Deep ocean trenches are associated with tectonic plate subduction, where one tectonic plate is forced beneath another into the mantle. This process leads to the formation of deep-sea trenches, which are the deepest parts of the ocean floor. Trenches are often sites of intense seismic activity and can also be locations where volcanic arcs form.
The creation of ocean trenches results from?
plate movements
What kind of plate boundary forms sea trenches?
Convergent plate boundaries, where tectonic plates are moving towards each other, can form sea trenches. As one plate is forced beneath the other in a process called subduction, a deep trench is created in the seafloor. An example of this is the Mariana Trench in the western Pacific Ocean, formed by the subduction of the Pacific Plate beneath the Philippine Sea Plate.
Deep ocean trenches are surficial evidence for?
plate tectonics and the process of subduction. They are formed where one tectonic plate is forced beneath another, leading to the creation of the deep trenches in the ocean floor. This process is associated with the movement of Earth's lithospheric plates.
What is the region where oceanic lithosphere sinks into the asthenosphere?
This process occurs at subduction zones, where one tectonic plate descends beneath another plate into the asthenosphere. Subduction zones are typically associated with deep ocean trenches and volcanic arcs.
Deep ocean trenches are evidence for?
Deep ocean trenches are evidence for plate tectonics, showing where one tectonic plate is subducting beneath another. These trenches form at convergent boundaries when the denser oceanic plate sinks into the mantle. The presence of deep ocean trenches also indicates areas of seismic activity and potentially tsunamis.
Where do trenches form?
Treches are formed when an ocean plate subducts under a continental plate.
Where do ocean trenches occur?
At spreading centers.
What are 2 geological features that can occur at plate boundaries?
Two geological features that can occur at plate boundaries are mountain ranges, formed from the collision of two plates, and deep ocean trenches, formed at subduction zones where one plate is forced beneath another.
What causes oceanic trenches?
Deep ocean trenches are made where one plate is submerged under another
What type of plate boundary do you find ocean trenches on?
Convergent boundaries
