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Tue 16 Jul, 2013 07:36 am
The earth is composed of three different chemical layers: core, mantle and crust. The formation of these layers was from a process called
@domt3x,
Layering and piping.
Baking terms y'know. Bit technical.
@domt3x,
DIFFERENTIATION (Lowman 1976) Journal of Geology, v 84