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What types of rocks make up the cores of the ranges of the central and southern Rocky Mountains?

A. Uplifted blocks that typically have cores of Proterozoic igneous and metamorphic rocks
B. Thick sections of highly folded, Paleozoic marine strata
C. Layers of rocks that developed in response to a continent-continent collision
D. Paleozoic and Mesozoic sedimentary rocks that were elevated and compressed into tight folds; the deeper, harder rocks of the continental crust were pulled apart by tensional stresses



Answer :

GinnyAnswer

Final answer:

The types of rocks in the central and southern Rocky Mountains cores are uplifted blocks of Proterozoic rocks, folded Paleozoic marine strata, and rocks from a continent-continent collision.


Explanation:

The types of rocks that make up the cores of the ranges of the central and southern Rocky Mountains include uplifted blocks with cores of Proterozoic igneous and metamorphic rocks, thick sections of highly folded Paleozoic marine strata, and layers of rocks developed in response to a continent-continent collision. These rocks were elevated, compressed into tight folds, and underwent metamorphism due to mountain-building processes.


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