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The walls of the Grand Canyon are made of layers of sandstone. A dike cuts across some of the layers. When did the dike form? A) after erosion revealed the canyon wall B) at the same time as the sandstone formed and the canyon was eroded C) after the sandstone formed and before erosion revealed the canyon wall D) before the sandstone formed

Verified Answer :

Dike is  a sheet of Rocks that cut across the layers in the fracture of a pre-existing rock's body. Highlight the word pre-existing. Grand Canyon is the perfect example of this occurrence.

I think the answer is : C. after the sandstone formed and before erosion revealed the Canyon Wall

hope this helps

Answer:

I think the answer is : C. after the sandstone formed and before erosion revealed the Canyon Wall

hope this helps

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