Around 70 million years ago, the Rocky Mountain uplift began, forming the great peaks and creating most of the area's rich mineral deposits.
(the Rocky Mountain uplift; began; T:Around 70 million years ago) (the Rocky Mountain uplift; forming; the great peaks) (the Rocky Mountain uplift; creating; most of the area's rich mineral deposits)
the Rocky Mountain uplift the Rocky Mountain uplift the Rocky Mountain uplift
began forming creating
T:Around 70 million years ago
the great peaks
most of the area's rich mineral deposits