How Is The Orientation Of The Polarity Of Earth'S Magnetic Field In The Past Recorded In Rock? [Solved]

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How Is The Orientation Of The Polarity Of Earth’S Magnetic Field In The Past Recorded In Rock? [Solved]

When magma (molten rock containing minerals and gases) cools to form solid volcanic rock, the alignment of the magnetite grains is “locked in,” recording the Earth’s magnetic orientation or polarity (normal or reversed) at the time of cooling.5 May 1999

How Do We Know That the Earth’s Magnetic Poles Have Flipped? - Christmas Lectures with James Jackson

James Jackson gave the 1995 Christmas Lectures “Planet

Paleomagnetism

For an introductory college-level

Paleomagnetism and plate tectonics

A response to a student question about