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Underwater mountain chains that form where two tectonic plates are pulling apart are called mid ocean ridges. The largest is the Mid Atlantic Ridge.

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9y ago
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9y ago

divergent at a divergent plate boundary new crust is created as two or more plates pull away from each other. Divergent boundaries can form underwater mountain ranges.

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12y ago

mid-ocean ridge

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Q: An underwater mountain chain that formed by sea-floor spreading is called a?
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Related questions

Who discovered Seafloor Spreading?

Henry H. hess


A Rift zone Underwater volcano?

Yes, also known as seafloor spreading! A rift zone volcano is called a mid-ocean ridge. The seafloor splits & spreads apart at a mid-ocean ridge, with lava seeping out of this fissure. The lava forms new seafloor. The older seafloor moves away from the ridge. Therefore, our ocean floor is actually spreading, at a rate of about two inches per year in the Atlantic ocean, and about 13 in the Pacific.


What is seafloor spreading called?

It is part of continental drift and plate tectonics.


How does the ocean floor move?

It is called Seafloor Spreading, which comes under the Divergent Plate Movement.


What is it called when mountain are in the middle of the seafloor?

atlantis island


What is it called when two oceanic plates move apart and new crust is formed?

Seafloor Spreading


What is it called when two ocean plates move apart and new crust is formed?

Seafloor spreading


How is seafloor spreading different continental drift?

seafloor spreading is when molten material rises and cools down and makes new seafloor, continental drift is the theory that the continents were once together and the big land mass is called Pangea.this is fake story no one believe it i got wrong


What is called a sea wave that is created when the seafloor slips after an underwater earthquake?

Its called a Tsunami, Japan just had one and was devastated!


What is the name of a sea wave that is made when the seafloor slips after an underwater earthquake?

Tsunami, also called Kamikazis


What is the process by which plate tectonics produces new oceanic lithosphere at ocean ridges called?

Seafloor Spreading.


Is ocean crust formed at a mid ocean ridge?

Yes, the process that creates oceanic crust on a mid-ocean ridge is called "seafloor spreading". seafloor spreading creates a new oceanic crust that forms on the mid-ocean ridge.