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Mid-ocean ridges occur at diverging plate boundaries. Convection currents in the lower mantle pull the plates away from each other . As the plates move apart, lower mantle material is drawn toward Earth's surface. The rock of the lower mantle is hot, flexible, and solid. This rock is solid because of the great pressure of the layers above it. However, as the rock of the lower mantle rises, the pressure drops and the material melts.
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Where do midocean ridges intersect the landmasses?
Midocean ridges are areas where continents broke apart. Midocean ridges are closest to the landmasses in younger oceans. One example where a midocean ridge intersected a landmass is the Arabian sea, which was formed by the pulling apart of the Arabian Peninsula and Africa.
Is the Mid-Oceanic Ridge in the middle of the Atlantic Ocean?
One of the midocean ridges is, but others are in other oceans, seas, and bays.
What is located in midocean ridges?
The Mid-Atlantic Ridge is found on the ocean floor in the middle of the Atlantic Ocean.
What cause ocean ridges to form?
earths crust causes it
What tectonic plate boundary causes mid-ocean ridges?
Divergent Plate Boundary.
Where do midocean ridges intersect the landmasses?
Midocean ridges are areas where continents broke apart. Midocean ridges are closest to the landmasses in younger oceans. One example where a midocean ridge intersected a landmass is the Arabian sea, which was formed by the pulling apart of the Arabian Peninsula and Africa.
Where are the midocean ridges offset the most by faults?
At transform faults or transform zones.
Is the Mid-Oceanic Ridge in the middle of the Atlantic Ocean?
One of the midocean ridges is, but others are in other oceans, seas, and bays.
Ridges of debris left by melting water?
moraines
Do Ocean sediments become younger or older away from midocean ridges?
Older, as it moves away from the mid-ocean ridge the sediment gets thicker and older
What are the 3 type of earthquakes?
(1)midocean spreading ridges, (2) subduction zones, and (3) transform faults.Normal fault, Reverse fault, and strike-slip fault
When was MidOcean Partners created?
MidOcean Partners was created in 2003.
What are the differences between ocean ridge and seamount?
The midocean ridges are the spreading centers where the plates are moving apart. The seamounts are extinct volcanos produced as the plate passed over a mantle hotspot.
What is located in midocean ridges?
The Mid-Atlantic Ridge is found on the ocean floor in the middle of the Atlantic Ocean.
What is responsible for the partial melting of peridotite beneth the mid-ocean ridges?
An increase in pressure.
Winding ridges of sand and small bits of gravel formed from the outwash of a melting glacier are called?
eskers
What causes fingernail ridges?
Most ridges on the fingernails are caused by normal aging and are common. Some ridges though might be an indication of an underlying health problem especially if there is a change in color.
