At the mid-ocean ridge spreading axis, these flips in the direction of the Earth’s magnetic field are recorded in the magnetization of the lava. This creates a symmetrical pattern of magnetic stripes of opposite polarity on either side of mid-ocean ridges.
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How are magnetic stripes on the seafloor created?
The striped magnetic pattern develops because, as oceanic crust pulls apart, magma rises to the surface at mid-ocean ridges and spills out to create new bands of ocean floor.
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What causes magnetic stripes on the seafloor quizlet?
Why does the rock of the ocean floor have a pattern of magnetic stripes? The rock of the ocean floor contains iron. As molten material cooled and hardenend, the iron bits inside lined up in the direction of Earth’s magnetic poles, creating a pattern of magnetized stripes.
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Where are seafloor stripes found?
These stripes surround the mid-ocean ridges. Scientists found that magnetic polarity was normal at mid-Ocean ridge but reversed in symmetrical patterns away from the ridge center. This leads to an important idea: some process is creating seafLoor at the ridge crest.
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What is magnetic striping on the seafloor?
Magnetic striping is a pattern of magnetic fields in strips of rock as they radiate outward from an ocean ridge. What happens here is that, near the ocean ridge itself, we have younger rock that was more recently formed from magma that is emitted through cracks in the Earth’s crust.
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Where are magnetic stripes found?
At the mid-ocean ridge spreading axis, these flips in the direction of the Earth’s magnetic field are recorded in the magnetization of the lava. This creates a symmetrical pattern of magnetic stripes of opposite polarity on either side of mid-ocean ridges.
Error message | View complete answer on https://divediscover.whoi.edu
What are seafloor stripes?
These surveys revealed a series of invisible magnetic “stripes” of normal and reversed polarity in the sea floor, like that shown in the figure below. The patterns reflect the creation and spreading of oceanic crust along the mid-oceanic ridges. Basalt forming at the ridge crest picks up the existing magnetic polarity.
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What causes the stripes in the ocean floor?
The specific magnetism of basalt rock is determined by the Earth’s magnetic field when the magma is cooling. Scientists determined that the same process formed the perfectly symmetrical stripes on both side of a mid-ocean ridge. The continual process of seafloor spreading separated the stripes in an orderly pattern.
Error message | View complete answer on https://www.nationalgeographic.org
What are magnetic stripes on the ocean floor?
The striped magnetic pattern develops because, as oceanic crust pulls apart, magma rises to the surface at mid-ocean ridges and spills out to create new bands of ocean floor.
Error message | View complete answer on https://www.livescience.com
What is magnetic striping on the seafloor?
Magnetic striping is a pattern of magnetic fields in strips of rock as they radiate outward from an ocean ridge. What happens here is that, near the ocean ridge itself, we have younger rock that was more recently formed from magma that is emitted through cracks in the Earth’s crust.
Error message | View complete answer on https://homework.study.com
What element is responsible for creating the magnetic stripes on the ocean floor?
As the Basalt flows out of a mid-ocean ridge to form new ocean floor, the magnetite within the Basalt behaves like little magnets that during cooling align themselves in the direction of the Earth’s magnetic field and become solidified this way.
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What causes magnetic stripes on the seafloor?
The striped magnetic pattern develops because, as oceanic crust pulls apart, magma rises to the surface at mid-ocean ridges and spills out to create new bands of ocean floor.
Error message | View complete answer on https://www.livescience.com
How does magnetic stripping work?
Magnetic Stripe Cards This standard tape strip contains three magnetic tracks that are used to store the card’s code data. The card is usually presented to the reader by swiping or inserting it into the reader, which obtains the card’s code using a magnetic head that detects the magnetic field generated by its strip.
Error message | View complete answer on https://www.sciencedirect.com
What causes magnetic stripes on the seafloor?
The striped magnetic pattern develops because, as oceanic crust pulls apart, magma rises to the surface at mid-ocean ridges and spills out to create new bands of ocean floor.
Error message | View complete answer on https://www.livescience.com
What causes magnetic striping on the sea floor quizlet?
Why does the rock of the ocean floor have a pattern of magnetic stripes? The rock of the ocean floor contains iron. As molten material cooled and hardened, the iron bits inside lined up in the direction of Earth’s magnetic poles, creating a pattern of magnetized stripes.
