The figure shows a wall of the Grand Canyon. The most ancient rocks of the Grand Canyon formed during which geologic period?

asked Sep 4, 2021 6.7k views

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1 vote

Answer:

Step-by-step explanation:

Marco Medrano answered Sep 5, 2021

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1 vote

Answer:

Paleozoic Era

Jrocc answered Sep 8, 2021

by Jrocc

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