// todo need optimize like in event.jsp. Add indexing or not indexing this page. 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. (21 Feb 1929 Jahr – 9 Nov 1929 Jahr) (Band der Zeit)
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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. (21 Feb 1929 Jahr – 9 Nov 1929 Jahr)

Zugefügt zum Band der Zeit:

Sophie Dixon

BySophie Dixon
12 Jan 2018

Datum:

21 Feb 1929 Jahr
9 Nov 1929 Jahr
~ 8 months
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