The rocks of the Great Plains and Rocky Mountains were formed with the formation of one rock and separation of newer layers by some unknown elements.
The Great Plains and Rocky Mountains are geographically created rock formations. Their formation is unique and unlike most other rock formations.
Their minerals were separated, and newer rocks were formed as a separate layer, as it did not get mixed with the older formed rocks.
Hence, the aforementioned reasons have been given for the formation of Great plains and Rocky Mountains.
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