http://apod.nasa.gov/apod/ap070408.html
History of Earth's Magnetic Field
Emma Boone
Web Project for Physics 104 Spring 2012
http://visibleearth.nasa.gov/view.php?id=57723
Pages
Home
Magnitism
Paleomagnitism
Pole Reversals
Geologic Time
Paleogeography
Bibliography
Links
NASA
Paleogeographic Maps
PaleoMap Project
Geological Society of America
Enchanted Learning
Magnetic Domains
USGS Paleomagnetism analysis
NOVA: Arctic Dinosaurs
Magic of Magnitism