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Ridges and Rises are uplifts in oceanic crust caused by volcanic eruption in oceans, the difference between a ridge and a rise is of rift valleys, ridges have long valleys and rises do not have any valleys

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What kinds of rocks are associated with ocean ridges?

Basalt rocks are commonly associated with ocean ridges due to the process of seafloor spreading where magma rises to the surface, cools, and solidifies. These basaltic rocks form the oceanic crust along the ridges.


Ocean ridges are formed by what boundaries?

Divergent boundaries form ocean ridges.


Why do oceanic rises and oceanic ridges exist?

Oceanic rises and ridges exist due to seafloor spreading, a process where magma rises up from the mantle to create new oceanic crust at mid-ocean ridges. As the new crust forms, it pushes the existing crust aside, leading to the creation of oceanic rises and ridges. These features are important parts of plate tectonics and play a key role in the movement of Earth's lithospheric plates.


What is called when new crust forms where magma rises at mid ocean ridges?

sea floor spreading


Boundaries are often found at ocean ridges.?

Yes, ocean ridges are divergent plate boundaries where tectonic plates move away from each other. As the plates separate, molten rock rises from the mantle and solidifies to form new oceanic crust, creating the underwater mountain range characteristic of ocean ridges.


What cause ocean ridges to form?

Ocean ridges form as a result of tectonic plate movement and divergent boundaries where two plates move apart. Magma rises to the surface between the plates, creating new oceanic crust that forms a ridge. This process, known as sea-floor spreading, leads to the continuous growth of the ocean ridges.


Where does seafloor spreading take place?

Mid-Ocean ridges.


Mid ocean ridges are actually underwater mountain ranges?

Yes, mid-ocean ridges are underwater mountain ranges that form where tectonic plates are spreading apart. Magma rises up to fill the gap between the plates, creating new oceanic crust. This process contributes to the overall process of seafloor spreading.


Where are mid ocean ridges?

They are found at a plate boundary. When two plates move apart (divergent) magma rises through the gap.


Does the asthenosphere rise close to the surface beneath mid-ocean ridges?

Yes, the asthenosphere rises close to the surface beneath mid-ocean ridges. This upward movement occurs due to the reduction in pressure as tectonic plates diverge, allowing the hot, partially molten rock of the asthenosphere to ascend. As it rises, it contributes to the formation of new oceanic crust through volcanic activity at these ridges. This process is a key part of plate tectonics and ocean basin formation.


Which forms at mid-ocean ridges?

New oceanic crust is created along mid ocean ridges. These are areas of the earth where there is divergence or splitting of the ocean floor and basaltic magma oozes out from within the mantle to occupy the gaps and form new crusts.


Mid-Ocean ridges are found where?

They are found at a plate boundary. When two plates move apart (divergent) magma rises through the gap.