How tall is the Mid-Atlantic Ridge?
How tall is the Mid-Atlantic Ridge?
7,713′
What is the largest section of the mid-ocean ridge system?
Near the equator, the Mid-Atlantic Ridge is divided into the North Atlantic Ridge and the South Atlantic Ridge by the Romanche Trench, a narrow submarine trench with a maximum depth of 7,758 m (25,453 ft), one of the deepest locations of the Atlantic Ocean.
What is oceanic ridge system?
The oceanic ridge system is a continuous underwater mountain range with parts found in every ocean of the world. The ridge system is created when magma rising between diverging plates of the lithosphere cools and forms a new layer of crust.
What is an aseismic Ridge?
Aseismic ridge, a long, linear and mountainous structure that crosses the basin floor of some oceans. Most aseismic ridges are constructed by volcanism from a hot spot and are composed of coalescing volcanoes of various sizes.
What happens to the rock as the seafloor spreads?
Seafloor spreading occurs at divergent plate boundaries. As tectonic plates slowly move away from each other, heat from the mantle’s convection currents makes the crust more plastic and less dense. This rock (basalt) becomes a new part of Earth’s crust.
How has the Mid Atlantic Ridge change over time?
Over the past 10,000 years, the Thingvellir Rift Valley has been changed in appearance by the spreading and sinking of the Earth’s crust and by earthquakes. Measurements suggest that the floor of the valley has widened 230 feet (70 m) and sunk by 131 feet (40 m) in the space of 10,000 years.
What is the most famous Rift Valley on earth?
Great Rift Valley System
What is the difference between Rift Valley and Mid Ocean Ridge?
If the boundary is found between two continental plates you are left with a rift valley. If two oceanic plates begin moving away from each other it creates a mid-oceanic ridge. Continental plates are less dense, and thus float much higher on the mantle.
Why is the East Pacific Rise spreading faster than the Mid Atlantic Ridge?
Faster spreading ridges like the northern and southern East Pacific Rise are “hotter,” meaning more magma is present beneath the ridge axis and more volcanic eruptions occur. Because the plate under the ridge crest is hotter scientists think that the plate responds to the divergent spreading process more fluidly.
What are common in the four pictures in rift valleys and oceanic ridges?
Answer Expert Verified The gap or fissures on lands which are called rift valleys and oceanic ridges on the pictures are all product of divergence of plates.
What are common in the four pictures going separate ways?
The all four pictures show a water form or bodies of water. The cracks and fissure between two land masses in the picture continue to widen as time pass by since two land masses are going separate ways.