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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
September 30, 2021
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1 gen 1929 anni - Arthur Holmes

Descrizione:

Arthur's Theory is that the mantle goes under thermal convection. As magma is heated it tends to rise and then it cools and sinks again. At the time it received very little attention.

Aggiunto al nastro di tempo:

12 nov 2017
0
0
224
Theory

Data:

1 gen 1929 anni
Adesso
~ 93 years ago
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