What geological feature is primarily associated with the Grand Canyon's formation?

The Grand Canyon is primarily associated with the uplift of the Colorado Plateau, which is a significant geological event that contributed to its formation. The Colorado Plateau has experienced extensive geological uplift over millions of years due to tectonic forces, which raised this region of land significantly. This uplift exposed sedimentary rock layers that were subsequently eroded by the Colorado River and its tributaries.

As the river cut through the plateau, it carved the deep canyon we see today, showcasing various rock layers and geological features. Consequently, the uplift acts as the primary factor in facilitating erosion, allowing the canyon to develop its iconic structure. The processes of erosion, weathering, and sediment transport have been ongoing since the uplift, contributing to the Grand Canyon's spectacular depth and complexity.