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

Question

Biology

Seth Horn

24 August, 04:18

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

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Answers (2)

Know the Answer?

Gideon · Answer 1

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.

Frederick Chapman · Answer 2

the layer on the top. the layer with the most minerals.