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Portion of the earth's crust that lies beneath the ocean floor?
The portion of Earth's crust that lies beneath the ocean floor is called oceanic crust. It is thinner and denser than continental crust, primarily composed of basaltic rocks, and formed at mid-ocean ridges through volcanic activity.
Why is the ocean floor beneath Hawaii sinking?
The ocean floor beneath Hawaii is sinking due to the weight of the volcanic islands and seamounts causing the underlying crust to gradually bend and subside. This process is known as flexural subsidence and is a common feature of volcanic island chains.
What is the process of the ocean floor sinking beneath a deep ocean trench and back into the mantle known as?
The process of the ocean floor sinking beneath a deep ocean trench and back into the mantle is known as subduction. This occurs at convergent plate boundaries where one tectonic plate is forced beneath another due to differences in density. Subduction zones are associated with volcanic activity and the formation of mountain ranges.
What is the flat part of the ocean floor called?
The flat part of the ocean floor is called the abyssal plain. It is a smooth, flat region that lies between the continental rise and the mid-ocean ridges.
How do you use the word abyssal plain in a sentence?
The Abyssal Plain is the lowest part in the ocean you wouldn't want to go down there.
Portion of the earth's crust that lies beneath the ocean floor?
The portion of Earth's crust that lies beneath the ocean floor is called oceanic crust. It is thinner and denser than continental crust, primarily composed of basaltic rocks, and formed at mid-ocean ridges through volcanic activity.
What is a valuable substance beneath the ocean floor?
A valuable substance beneath the ocean floor often includes gold, crystal and many other substances. Where these are found varies.
What lies beneath the atmosphere and ocean?
basaltVertical convection
Is the underlying rock beneath the ocean floor silica?
The underlying rock beneath the ocean floor is primarily basalt, which is a mafic rock rich in iron and magnesium. Silica-rich rocks like granite are typically found in continental crust, not beneath the ocean floor.
What caused the tsunami to happen?
An earthquake beneath the Ocean floor.
What are triggered by earthquakes originating beneath the ocean floor?
Focus
Are triggered by earthquakes originating beneath the ocean floor?
Tidal waves ?
What happens to the ocean floor at the deep ocean trenches?
what happens is the ocean floor does not just keep spreading.instead, it sinks beneath deep underwater canyons called deep- ocean trenches
Is San Jose on the Pacific Plate?
No, the Pacific Plate lies beneath the Pacific Ocean.
What is tsuname?
A giant wave usually caused by an earthquake beneath the ocean floor
What causes the hot materials beneath ocean floor to move?
Convection currents.
Is it true that tsunami are triggered by earthquakes originating deep beneath the ocean floor?
True
