Quiz: What is the significance of the Grand Canyon’s layered rock

December 17, 2024 by Orin Thorne

What is the significance of the Grand Canyon’s layered rock formations for geological studies?

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A) They provide a chronological record of Earth’s geological history.

B) They are primarily composed of igneous rock, indicating volcanic activity.

C) They show the impact of human activity on natural landscapes.

D) They are unique to the Grand Canyon and not found anywhere else.