If You Measure the Magnetization of an Area of Igneous

question 4

Multiple Choice

If you measure the magnetization of an area of igneous rocks and find a large negative anomaly,what does that imply about the rocks?

• A) They were formed during a time of normal polarity of the magnetic field.
• B) They were formed during a time of reversed polarity of the magnetic field.
• C) They were formed on the ocean floor where the rocks are closer to the core.
• D) They were formed on the continental crust in a complex pattern of magnetization.

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