Multiple Choice
From this cross section of the Grand Canyon, what occurred between the formation of the Precambrian metamorphic rocks and the deposition of the lowest Paleozoic rocks? 
A) uplift
B) erosion
C) deposition and tilting of the Precambrian sedimentary and igneous rocks
D) all of these
E) a and b only
Correct Answer:
Verified
Correct Answer:
Verified
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