29
/
en
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
145273
46028
2

Arthur Holmes-The mantle undergoes thermal convection. The basalt in the mantle heats up then goes down under than back up to the surface. When the magma cools the result is stripes on the ocean floor. (feb 21, 1929 – nov 9, 1929)

Added to timeline:

12 Jan 2018
0
0
417
Sophie Dixon

Date:

feb 21, 1929
nov 9, 1929
~ 8 months
PremiumAbout & FeedbackTermsPrivacy
logo
© 2022 Selected Technologies LLC – Morgan Hill, California