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riadik2000 [5.3K]
3 years ago
14

-1. Alternating parallel bands of normal

Biology
1 answer:
Ivenika [448]3 years ago
5 0

Mid Atlantic ridge

Explanation:

Alternating parallel bands of normal and reversed magnetic polarity are found in the basaltic bedrock on either side of the mid Atlantic ridge. The mid Atlantic is a divergent margin where two plate pulls apart from each other.

  • At the Atlantic ridge, basalt materials from deeper levels of the crust/asthenosphere rises to the surface.
  • On either side of the margin the magma cools and solidifies to form new crust.
  • Basaltic magma contains some metallic minerals that can easily be magnetized to the nature of their domains.
  • These minerals will align in form of band according to the prevailing condition of the magnetic field at the time of their formation.
  • This eventually shows magnetic polarity on either side of each plates.

Learn more:

basalts brainly.com/question/5751004

#learnwithBrainly

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