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Because as the sea-floor spreads apart, magma is forced upward and flows from the cracks. It becomes solid as it cools and forms new sea-floor. As new sea-floor moves away from the mid-ocean ridge, it cools, contracts, and becomes denser.
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Does sea floor spreading occur at a convergent boundary?
No. Seafloor spreading occurs at a divergent boundary.
What type of landform occurs in seafloor spreading?
trench
Which evidence causes most scientists to believe that seafloor spreading occurs at the mid-atlantic ridge?
Oceanic crust on both sides ofthe ridge shows matching patterns of reversed and normal magnetic polarity
Describe how seafloor spreading occurs along the Juan de Fuca ridge?
scientist discovered that when axial erupted, boiling hot water shot up out of the volcano followed by a great amount of super hot lava much of this filled part of the gap between pacific plate and the juan de fuca plate creating a new seafloor
Places where new seafloor is being created?
New oceanic crust is being created at the mid-ocean ridges.
What does magma have to do with seafloor spreading?
When seafloor spreading occurs, it pushes the underground magma up though the new crust, creating a sort of volcano out of the new crust. Magma is a very important part in seafloor spreading. :]
Does sea floor spreading occur at a convergent boundary?
No. Seafloor spreading occurs at a divergent boundary.
A typical rate of seafloor spreading in the Atlantic Ocean?
The typical rates of seafloor spreading is 5 centimeters per year. Seafloor spreading is a process that occurs at mid ocean ridges.
What type of landform occurs in seafloor spreading?
trench
Description of seafloor spreading?
Seafloor spreading is a process that occurs at mid-ocean ridges, where new oceanic crust is formed through volcanic activity and then gradually moves away from the ridge. Seafloor spreading helps explain continental drift in the theory of plate tectonics.
Does seafloor spreading hold the plates in place?
No, seafloor spreading does not hold the plates in place. Seafloor spreading is a process that occurs at mid-ocean ridges where new oceanic crust is formed and spreads apart. It is driven by the movement of tectonic plates, which are actually responsible for holding the seafloor in place.
What occurs at plate boundaries that are associated with seafloor spreading?
When seafloor spreading happens, a rift forms at the bottom of a ocean and separates to form new rock. This is an example of a divergent plate boundary
Where is place where seafloor spreading occurs?
One example would be...the mid-atlantic ridge.
What is a place where seafloor spreading occurs?
One example would be...the mid-atlantic ridge.
Why does floor spreading occur?
Because of plate tectonics. Because it's 2 plates underwater that are moving apart. Magma rise up to where the 2 plates are separating to fill in the gap. Seafloor spreading occurs underwater.
A place where seafloor spreading occurs.?
2. Mid Ocean Ridges are the place where new crust is formed. 1. oceanic plates or oceanic crust
What phenomenon occurs as a result of seafloor spreading?
In 1960, seafloor spreading was hypothesized by Harry Hess of Princeton University. Seafloor spreading occurs at divergent boundaries and it is said to be the mechanism that operates along the oceanic ridge system to generate new seafloor. Thus, the result of seafloor spreading is the creation of new sea floor through the uplift of magma: magma raises from asthenosphere, new oceanic lithosphere moves from ridge, and it thickens, cools (becomes denser), and subsides.
