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why do magnetic stripes appear on the seafloor
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What are magnetic strips on the sea floor caused by?
Movement of the ocean crust
Strips of alternating magnetic polarities found in rocks in the ocean basin?
provide evidence for sea-floor spreading
Why are magnetic strips on the sea floor are parallel to the mid ocean ridge?
The magnetic strips on the sea floor are parallel to the mid-ocean ridge because new oceanic crust is constantly being formed at the ridge due to volcanic activity. As the magma cools and solidifies, it records the Earth's magnetic field orientation at the time. This creates a symmetrical pattern of magnetic strips on either side of the ridge as the Earth's magnetic field reverses over time.
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.
How do strips of magnetized rock on the ocean floor provide evidence of sea-floor spreading?
Strips of ocean-floor basalt record the polarity of earth's magnetic field at the time the rock formed. These strips form a pattern that is the same on both sides of the mid-ocean ridge. the pattern shows that ocean floor forms along mid-ocean ridges and then moves away from the ridge.
What are magnetic strips on the sea floor caused by?
Movement of the ocean crust
Strips of alternating magnetic polarities found in rocks in the ocean basin?
provide evidence for sea-floor spreading
Why are magnetic strips on the sea floor are parallel to the mid ocean ridge?
The magnetic strips on the sea floor are parallel to the mid-ocean ridge because new oceanic crust is constantly being formed at the ridge due to volcanic activity. As the magma cools and solidifies, it records the Earth's magnetic field orientation at the time. This creates a symmetrical pattern of magnetic strips on either side of the ridge as the Earth's magnetic field reverses over time.
How magnetic reversals provide evidence for sea floor spreading?
Because of the stripes at the sea floor which are magnetic minerals
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.
How do strips of magnetized rock on the ocean floor provide evidence of sea-floor spreading?
Strips of ocean-floor basalt record the polarity of earth's magnetic field at the time the rock formed. These strips form a pattern that is the same on both sides of the mid-ocean ridge. the pattern shows that ocean floor forms along mid-ocean ridges and then moves away from the ridge.
Why do magnetic stripes appear on the sea?
The seafloor spreads apart, creating new rocks that record magnetic orientation. Small grains of magnetite on the volcanic basalt (ocean floor) have magnetic properties.
What is magnetic striping evidence?
Magnetic reversals and sea floor spreading.
What is magnetic striping evidence of?
Magnetic reversals and sea floor spreading.
What Magnetic striping evidence of?
Magnetic reversals and sea floor spreading.
Bands of magnetic material in the sea floor that have opposite poles or exhibit magnetic reversal can provide evidence for sea floor spreading true or false?
True. Bands of magnetic material in the sea floor that have opposite poles or exhibit magnetic reversal provide evidence for sea floor spreading. This is because as new oceanic crust forms at mid-ocean ridges, Earth's magnetic field periodically reverses, creating magnetic stripes on the ocean floor that align with the direction of the magnetic field at that time.
What do the sea floor spreading strips stand for in the paper model?
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