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Magmatic upsurge from within the earths crust, and plumes.

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Q: What physical feature occures along ocean trenches and ridges?
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Related questions

What are 2 geological features that can occur at plate boundaries?

What are three geographic features that may be found at plate boundaries?


Where are the 9 physical regions of the US?

Coast, Desert, Mountains, Central valleys, Basins, Folding mountains, Trenches, Mid-Ocean ridges, and Plates.


What types of feature are being at each boundary?

Fault Lines. A transform boundary connects two diverging boundaries, creating a fault line. ... Trenches. Trenches are geological features formed by convergent boundaries. ... Volcanoes. ... Mountain Ranges. ... Ridges. ... Rift Valleys.


Are maps made from sonar and magnetometer data led to the discovery of ocean ridges and deep-sea trenches?

no they found ocean ridges sonar maps alone found deep-sea trenches


What are valleys between the ridges on the ocean floor?

They are called oceanic trenches.


Feature of corduroy?

wale (ridges)


What is the difference of valleys and trenches?

Valleys r hills, and trenches sometimes carry water. A valley is a low lying tract of land between more or less parallel ridges of higher ground. It is a natural geographical feature. A trench is man made, a cut or dig for water


How do ocean ridges and deep-sea trenches support the theory of sea floor spreading?

Sea Floor spreading has to do with the crust forming at ocean ridges and being destroyed at deep sea trenches.


How do you contrast mid-ocean ridges and trenches?

Mid-ocean ridges are the birthplace of oceanic crust. Trenches represent the destruction and burial of oceanic crust. They are at opposite ends of the Earth's convection currents that move through the asthenosphere.


Is subduction occuring at ridges or trenches?

Subduction usually occurs in trenches, for example the Marriana's Trench or the Aleutian trench! Hope that Helps!


What was discovered that led to the knowledge that tectonic plates exist?

Mid-ocean ridges and trenches


Does theory continental drift state that new ocean crust is formed at ocean ridges and destroyed at deep sea trenches?

No, the theory is that Seafloor spreading state that the new ocean crust is formed at ocean ridges and is destroyed at deep sea trenches.