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Rigid plates are spreading centres or rift zones are where tectonic plates are moving away from each other. Often these areas are in ocean basins. The Mid-Atlantic Ridge is where the North and South American plates are moving away from the Eurasian and African plates. Magma wells up to fill the void left by the plates, forming a ridge. The Mid-Atlantic Ridge is the longest mountain chain on earth. Rift ones sometimes extend onto land. The Dead Sea/Jordan River valley is one example. Another area is in eastern Africa.
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∙ 9y ago
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∙ 16y agoRocks on either side of a divergent plate boundary are moving apart.
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∙ 15y agoTectonic plates move apart at a divergent plate margin, therefore the plates would be diverging.
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∙ 12y agoIt is called a divergent boundary. When this occurs it can create volcanoes, and new ocean floor.
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Mid oceanic ridge.
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∙ 14y agoIt is called a divergent plate boundary, a place where new crust is created.
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∙ 14y agoContinental drift or sea floor spreading
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∙ 11y agoFaults exist between plates.
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At the Mid-Atlantic Ridge plates are moving apart at about what rate?
The mid Atlantic Ridge plates are moving apart at approximately 2.5 to 3 centimeters per year.
Do trenches occur where plates are moving apart?
yes because the plates are pulling apart from one another which creates a trench
How far apart are tectonic plates moving?
The tectonic plates move at about the same speed your finger nails grow. The gap the plates create when they move apart is constantly being closed up by magma moving up from the mantle.
What is the outcome of two plates moving apart?
New crust formation.
When does new crust form at plate boundaries?
When the plates are moving apart.
Why does a volcano form at the boundary of two plates moving apart?
A volcano will form at the boundary of two plates moving apart. This is because the two plates moving apart create a crack allowing molten lava to flow up from the mantle.
Do Ocean Trenches Occur where plates are moving apart or where They are moving apart?
at mid ocean ridges
Plates and the rocks that compose them are moving apart at these places?
diverging plates
At the Mid-Atlantic Ridge plates are moving apart at about what rate?
The mid Atlantic Ridge plates are moving apart at approximately 2.5 to 3 centimeters per year.
Do trenches occur where plates are moving apart?
yes because the plates are pulling apart from one another which creates a trench
How far apart are tectonic plates moving?
The tectonic plates move at about the same speed your finger nails grow. The gap the plates create when they move apart is constantly being closed up by magma moving up from the mantle.
How do valcanos form?
two plates moving apart on a hot spot
What is the outcome of two plates moving apart?
New crust formation.
When does new crust form at plate boundaries?
When the plates are moving apart.
How are plates moving at diverging boundaries?
To diverge means to move apart.
What is boundaries between two plates that are moving apart?
divergent boundary
What is the difference between convergent boundary and convergent plate boundary?
Convergent means where plates are moving together. Divergent means where plates are moving apart.
