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At a mid-ocean ridge, you would expect to find a symmetrical pattern of striping on either side of the ridge. This pattern is created by the process of seafloor spreading, where new oceanic crust is formed as magma rises and solidifies at the ridge. As the tectonic plates move apart, magnetic minerals in the newly formed rock align with the Earth's magnetic field, resulting in alternating bands of normal and reversed magnetic polarity. This pattern is mirrored on both sides of the ridge, providing evidence for the age of the oceanic crust and the history of geomagnetic reversals.

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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 a force that is causing the plates to move at a midocean ridge?

friction - convection currents in the mantle drag the plates away from the hot rising zone below the ridgegravity - gravity pulls down on the cold dense plate being subducted under the continent, dragging the plate away from the ridge


What is the definition of friction ridge patterns?

Friction ridge patterns are unique patterns created by raised skin ridges found on the palms of the hands and soles of the feet. These patterns include loops, whorls, and arches, which are used for fingerprint identification.


How did scientists discover that rocks get older from the mid ocean ridge?

They discovered a pattern of reverse and normal polarity in the rock bodies of the ocean floor that indicated that oceanic crust was constantly being formed over time. Polarity shifts in the Earth had already been noted in continental crustal rock. With the advent of radiometric dating, core samples were taken and dated, confirming that the youngest rock is found at the ridge and rock age advances with distance from the ridge.

Related Questions

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.


What structure on the seafloor would have magnetic striping?

A mid-ocean ridge would have magnetic striping on the seafloor. This striping is caused by the alternating polarities of Earth's magnetic field recorded in the basaltic rocks as they cool and solidify at the mid-ocean ridge, providing evidence for seafloor spreading.


What concepts did magnetic striping reveal to scientists about the rock on either side of a spreading ridge?

The pattern of magnetic striping on one side of the ridge was a mirror image of the striping on the other side of the ridge, indicating that the plates were moving equally in opposite directions, giving a plausible explanation for continental drift theory. Before this discovery, no evidence of a mechanism for plate tectonics existed. It was obvious after this discovery, that new crust was being created at the ridges.


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.


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 struture on the seafloor would have magnetic striping?

The Mid Ocean Ridge would have magnetic striping. As the seafloor expands, new oceanic crust is spread in either direction. As this process continues over many years, the magnetic poles may switch, altering the magnetism in the new crust. The poles will switch back and forth, producing the magnetic striping that is easily discernible when examining the Mid Ocean Ridge and surrounding seafloor.


Which two tectonic plates are separated by the midocean ridge?

The mid ocean ridge separates many plates, not just two. In the Atlantic Ocean it separates the Eurasian and African plates from the North American Plate and the African Plate from the South American Plate. In the Indian Ocean it separates the African Plate from the Antarctic, Australian, Indian Plates and the Australian Plate from the Antarctic Plate. In the Red Sea it separates the African Plate from the Arabian Plate. In the Pacific Ocean it separates the Pacific Plate from the Antarctic, Nazca, Cocos, and Juan de Fuca Plates and the Nazca Plate from the Cocos and Antarctic Plates.


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 the relationship between the ages of magnetic stripes and their distance from the ridge crest?

Magnetic stripes that are closer to the ridge crest tend to be younger, while those further away are older. This is because new crust is continually formed at the ridge crest through sea floor spreading, with magnetic minerals aligning themselves with Earth's magnetic field as they solidify, creating the alternating pattern of magnetic striping.


What color is the ridge-nose rattlesnake?

Color patterns are generally a dark brown base with pale or white horizontal striping, but vary slightly between subspecies.


What is a force that is causing the plates to move at a midocean ridge?

friction - convection currents in the mantle drag the plates away from the hot rising zone below the ridgegravity - gravity pulls down on the cold dense plate being subducted under the continent, dragging the plate away from the ridge


What is Palmer Ridge High School's motto?

The motto of Palmer Ridge High School is 'Ignite, Encourage, Engage, and Expect Excellence'.