20 oct. 1963 - Drummond Matthews and Frederick Vine, 1963 (TOPIC 5)
Description:
They were studying Earth's magnetic field and evidence came up that the poles have reversed many times. To add on, magnetic surveys nearby the mid-ocean ridges showed that the magnetic field could effect sea-floor spreading.Ajouté au bande de temps:
Date:
20 oct. 1963
Maintenaint
~ Il y a 62 ans