Sign up to access this content

Sign up

Expert Film: Let's look at a simple model of the Earth's magnetic field.

Expert

Discover how Earth's magnetic field is actually the reverse of its geographic poles and tilted at an 11-degree angle, creating a fascinating magnetic environment similar to a bar magnet. Learn how geologists utilise this magnetic information to date rocks and understand plate tectonic movements, including the intriguing phenomenon of magnetic pole reversals that occur approximately every hundred thousand years.

2:48
Transcript Available
over 1 year ago