Final answer:
The Uncompahgre and Gunnison Uplifts formed during the Laramide Orogeny.
Step-by-step explanation:
The Uncompahgre and Gunnison Uplifts formed during the Laramide Orogeny in Western North America. This orogeny occurred between 50 and 70 million years ago and was responsible for mountain building in the region.