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the movement of tectonic plates under the earths crust
Wiki User
∙ 13y ago
Sea floor spreading occurs due to the movement of tectonic plates away from each other. This movement creates a gap or rift at the mid-ocean ridge where magma rises up from below the Earth's crust, solidifying to form new crust. Over time, this process results in the continuous widening of the sea floor.
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What is the primary force that causes the sea-floor to spread?
Convection currents
What is the primary force that causes the sea floor to spread and continents to drift?
Radiologyinfotation
What motion of the sea floor causes the mid Atlantic ridge rift valley?
The drifiting apart of the continental plates.
What is the primary force that causes the continents to drift?
thermal convection is the primary force that cause the sea floor to spread
Process in which new sea floor forms as older sea floor is pulled apart?
sea-floor spreading
The movement of the ocean floor on either side of a midocean ridge is best known as?
it is known as sea floor spreading. this is when the oceanic plates diverge or move apart which causes the magma from the mantle to rise forming new sea floor.
Where does sea floor spread?
Sea floor spreading occurs at mid-ocean ridges.
Why does mountain range form at a divergent boundary?
Because when divergent boundaries plate moves apart, the sea-floor is starting to spread too.
How is the sea floor able to spread?
the sea floor separates. magma comes up the crack forming new sea floor
What cause a new sea floor to be created and how is it created?
Sea floor spreading causes this. As the floor spreads apart new magma is being pushed up through the ridge from the mantle through convection currents. It's like a recycling system.
What is a process in which new sea floor forms as older sea floor is pulled apart?
Plate tectonics.
Did the red sea really spread apart?
yes
