Explanation Magnetic reversal refers to the phenomenon by which the polarity of Earth’s magnetic field gets periodically reversed. The change in polarity leads to a reversal in the direction of the magnetic field as well. Under normal conditions, the polarity is such that the magnetic South Pole and the geographical South Pole are on the same side. The magnetic field lines exit through the geographical South Pole and enter into the geographical North Pole, but during a magnetic reversal, the direction of these filed lines is reversed. The phenomenon by which the polarity of Earth’s magnetic field gets periodically reversed is called magnetic reversal. Evidence for magnetic reversal is as follows: • Study of rocks: Study of many iron-containing rocks (such as Magnetite) shows the strength and direction of polarity of the magnetic field at the time of their formation...

The term magnetic reversal and also determine the evidence for magnetic reversals. Introduction: Earth is surrounded by a magnetic field. It acts as a protective layer and helps to sustain life on Earth. Earth’s magnetic field is formed due to the movement of the liquid metal core, and it prevents harmful radiations from entering the atmosphere of Earth.

Physical Geology

16th Edition

ISBN: 9781259916823

Author: Plummer, Charles C., CARLSON, Diane H., Hammersley, Lisa

Publisher: Mcgraw-hill Education,

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Chapter 17, Problem 11TYK

Summary Introduction

The term magnetic reversal and also determine the evidence for magnetic reversals.

Introduction:

Earth is surrounded by a magnetic field. It acts as a protective layer and helps to sustain life on Earth. Earth’s magnetic field is formed due to the movement of the liquid metal core, and it prevents harmful radiations from entering the atmosphere of Earth.

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