Magnetostratigraphy takes advantage of the fact that the Earth's magnetic field
A) only arose 10,000 years ago.
B) has been uniformly strong,with constant polarity,throughout the Earth's history.
C) has experienced numerous polarity reversals,with periods of normal and reversed polarity of varying lengths.
D) has experienced numerous regular,predictable polarity reversals.

Question

Quizplus · Accepted Answer

Magnetostratigraphy takes advantage of the fact that the Earth's magnetic field has experienced numerous polarity reversals, with periods of normal and reversed polarity of varying lengths. This allows scientists to use the polarity of magnetic minerals in rocks to determine the age of those rocks and correlate them with other rock sequences around the world.

Magnetostratigraphy Takes Advantage of the Fact That the Earth's Magnetic