Fredrick Vine, Drummond Mathews- There are magnetic stripes on either side of the mid-ocean ridges. The magnetic stripes switch when the north and south pole switch. (5 juin 1963 av. J.-C. – 14 avr. 1963 av. J.-C.)
Ajouté au bande de temps:
Date:
5 juin 1963 av. J.-C.
14 avr. 1963 av. J.-C.
~ 1 months and 22 days
