Magnetic striping on the seafloor is a result of Earth's magnetic field changes recorded in oceanic rocks, indicating the spreading of crust from mid-ocean ridges.
Magnetic striping on the seafloor is caused by alternating symmetrical patterns of magnetism created by oceanic rocks recording changes in Earth's magnetic field. This phenomenon is associated with the spreading of oceanic crust from mid-ocean ridges, where the rocks' polarity is frozen in time as they cool below the Curie point, locking in the magnetic field orientation.
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