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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 kind of landforms are formed from subduction?
Landforms formed from subduction include deep ocean trenches, volcanic arcs, and mountain ranges. Subduction occurs when one tectonic plate is forced beneath another, creating these distinctive features through processes such as volcanic activity and uplift.
What physical feature occures along ocean trenches and ridges?
The physical feature that occurs along ocean trenches and ridges is seafloor spreading. This process is when new oceanic crust is formed at mid-ocean ridges through volcanic activity, pushing the older crust away from the ridge towards ocean trenches where it is eventually subducted back into the mantle.
Where do deep-ocean trenches occur?
Ocean ridges and deep ocean trenches force slab pull and slab push to facilitate plate tectonics. The ocean ridges raise the ocean floor pushing the plate toward the trench, which is lower pulling the plate into the subduction zone.
What process produces deep sea trenches?
Deep sea trenches are formed at tectonic plate boundaries by the process of subduction. This occurs when one tectonic plate is forced beneath another plate, resulting in the formation of a deep trench in the ocean floor. Subduction zones are associated with intense geological activity and can also lead to the formation of volcanic arcs.
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.
Compared to ocean crust near deep-sea trenches crust near ocean ridges are?
Compared to ocean crust near deep-sea trenches, crust near ocean ridges is generally younger, thinner, and hotter. Ocean ridges are sites of active seafloor spreading where magma rises to create new crust, while deep-sea trenches are associated with subduction, where older, denser crust is pulled back into the mantle. As a result, the crust at ocean ridges is also less dense and more buoyant than the crust found near trenches.
Is the earths lithosphere thicker in the vicinity of ridges or in the vicinity of trenches?
The Earth's lithosphere is generally thicker in the vicinity of trenches than around mid-ocean ridges. At mid-ocean ridges, where new oceanic crust is formed through volcanic activity, the lithosphere is relatively thin. Conversely, at subduction zones near trenches, the lithosphere is thicker due to the presence of older, denser oceanic crust being forced down into the mantle.
What are places where oceanic crust sinks back to the mantle?
No. Mid oceanic ridges are the places where new oceanic crust are forming.
Where can trenches be found?
Subduction zones
What occurs at subduction zones?
Trenches
What is the land forms produced underwater caused by the movement of oceanic plate?
Submarine landforms created by the movement of oceanic plates include ocean ridges, deep-sea trenches, seamounts, and underwater volcanoes. These features are a result of tectonic processes such as seafloor spreading, subduction, and volcanic activity.
What process is evident at oceanic trenches?
subduction, which is when one tectonic plate is pushed down beneath another tectonic plate.
Why do passive margins have no trenches?
Trenches are caused by plate movement.
Where does Subduction take place on the ocean floor?
Subduction of the ocean floor takes place at trenches.
What forms at a subduction zone?
Volcanic arcs and oceanic trenches commonly form at subduction zones.
Subduction of the ocean floor takes place?
trenches
