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In the process of sea-floor spreading how does the ocean floor become wider?

As magma rises and solidifies at mid-ocean ridges, it creates new oceanic crust. This process pushes the older crust away from the ridge, causing the ocean floor to become wider. Over time, this continuous cycle of spreading and pushing apart results in the expansion of the seafloor.


New crust forms?

When tectonic plates move apart, new crust forms through a process called seafloor spreading. Magma rises up from the mantle and solidifies at the mid-ocean ridges, creating new crust. Over time, this process contributes to the expansion of ocean basins and the movement of continents.


What is the portion of the ocean floor that is made up of oceanic crust?

Approximately 60% of the ocean floor is made up of oceanic crust. Oceanic crust is typically thinner and denser than continental crust, and it forms at mid-ocean ridges through volcanic activity.


Where does new crust come from in sea-floor spreading?

The ocean floors are crustal plates and move, carrying the continents along with them. This movement begins at a mid-ocean ridge. A ridge forms along a crack in the oceanic crust, where molten material is heated by the mantle and erupts. In this process, called sea-floor spreading, the sea floor spreads apart along both sides of a mid-ocean ridge as new crust is added. As a result, the ocean floors move like conveyor belts, carrying the continents along with them.


The youngest rocks on the ocean floor are located?

The youngest rocks on the ocean floor are located at mid-ocean ridges, where new oceanic crust is formed through volcanic activity. As the crust spreads away from the ridge, it gets progressively older. This process is known as seafloor spreading.

Related Questions

Which geologic process forms new crust on the ocean floor?

Seafloor spreading is the geologic process that forms new crust on the ocean floor. This occurs at mid-ocean ridges, where tectonic plates move apart and magma rises to the surface, solidifying to form new oceanic crust.


which layer of the earth forms ocean floor?

Ocean Crust.


What is the surface of the planet that forms the continents and ocean floor?

The crust.


In the process of sea-floor spreading how does the ocean floor become wider?

As magma rises and solidifies at mid-ocean ridges, it creates new oceanic crust. This process pushes the older crust away from the ridge, causing the ocean floor to become wider. Over time, this continuous cycle of spreading and pushing apart results in the expansion of the seafloor.


Why the crust is thinner than the ocean floor?

The Earth's crust is thinner than the ocean floor because the oceanic crust is formed at mid-ocean ridges where heat from the mantle creates new crust through volcanic activity. This process creates younger, hotter, and thinner crust in the ocean compared to the older and thicker continental crust.


New crust forms?

When tectonic plates move apart, new crust forms through a process called seafloor spreading. Magma rises up from the mantle and solidifies at the mid-ocean ridges, creating new crust. Over time, this process contributes to the expansion of ocean basins and the movement of continents.


What is the portion of the ocean floor that is made up of oceanic crust?

Approximately 60% of the ocean floor is made up of oceanic crust. Oceanic crust is typically thinner and denser than continental crust, and it forms at mid-ocean ridges through volcanic activity.


The process of continually adds new crust to the ocean floor along both sides of the mid-ocean ridge.?

sea floor spreading


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

sea floor spreading


What is the Process that forms new ocean floor?

Extrusive igneous rock- Sometimes lava erupts and flows from long cracks in the earths crust called fissures. Lava flows from fissures on the ocean floor at places where tension is causing the ocean to be pulled apart. This lava cools to form new ocean floor. Hope it helps.


What is the process that creates new ocean crust to form molten rock?

Sea Floor Spreading


In which layer of the Earth is the ocean floor?

The crust contains the ocean floor and also the continents on Earth.