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These stripes often called zebra stripes, due to the alternating colors of the original magnetometer readings. When the first observations were made, it is directly related to two processes geomagnetic reversals and seafloor spreading.
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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.
The seafloor magnetic pattern is best described as?
parallel to and symmetric about ocean ridges
Marine magnetic anomaly belts run parallel to?
Mid-Ocean Ridges
Earth's what field are recorded by rocks in strips parallel to ridges?
Magnetic fields are recorded by rocks in strips parallel to ridges on Earth's surface. This phenomenon is known as magnetic striping, and it provides evidence of seafloor spreading and the movement of tectonic plates over time.
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.
Linear magnetic patterns associated with mid-oceanic ridges are configured as what?
Linear, magnetic patterns associated with mid-ocean ridges are configured as normal and reversed magnetized strips roughly parallel to the ridge. A very long lived magma source located deep in the mantle is called a hot spot.
How are magnetic patterns in sea floor rock evidence of seafloor spreading?
Magnetic alignment of rocks, in alternating strips that run parallel to ridges, indicates reversals in Earth's magnetic field and provides further evidence of seafloor spreading.
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
How do earths magnetic pole reversals provide evidence for plate tectonics?
Magnetic stripes can be seen as you move away from ocean ridges.
How can magnetic symmetry can be used as evidence of seafloor spreading?
Magnetic symmetry refers to the pattern of magnetic anomalies found on either side of mid-ocean ridges, where the Earth's magnetic field has reversed over geological time. As magma rises and solidifies at these ridges, it records the Earth's magnetic orientation, creating symmetrical patterns of magnetic stripes on the seafloor. This symmetry indicates that new oceanic crust is continuously being created and pushed outward, supporting the theory of seafloor spreading. The parallel arrangement of these magnetic anomalies on either side of the ridge provides evidence of the age and movement of tectonic plates.
