Unless a series of sedimentary rock layers has been overturned, which layer is usually the oldest?

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asked Aug 5, 2019 35.3k views

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Nelfo · Answer 1 · 2019-08-09T16:05:30+0000

Answer: The bottom layer.

Explanation: The oldest layers are located at the bottom of the sedimentary rock while the youngest layers are found at the top of the rock. Sedimentary rock most times contains a lot of fossils, they constitute of organisms that have once-lived.

Unless a series of sedimentary rock layers has been overturned, which layer is usually the oldest?

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