2 years ago

What causes the youngest rock layers to be on top?

2 answers:

7 0

According to Answers.com:

According to the Law of Superposition, in a depositional sequence of undisturbed rock layers, the top layer of rock is the most recent to form from the processes of lithification or eruption of lava onto the surface, and are therefore the youngest rock layers.

Rasek [7]2 years ago

6 0

They are the last ones to die or get extinct

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