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1 Jan 1929 Jahr - Arthur Holmes

Beschreibung:

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.

Zugefügt zum Band der Zeit:

12 Nov 2017
0
0
223
Theory

Datum:

1 Jan 1929 Jahr
Jetzt
~ 93 years ago
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