Then, during the Laramide Orogeny, the entire plateau uplifted until about six million years ago when erosion began to remove sediment from the plateau, which removed a load from the crust causing isostatic uplift and a second passive rise for the plateau.
This load removal resulted in isostatic uplift and a second passive rise for the plateau. Then, during the Laramide Orogeny, the entire plateau was uplifted until about six million years ago.
Then, during the Laramide Orogeny, the entire plateau was uplifted until about six million years ago. This load removal resulted in isostatic uplift and a second passive rise for the plateau.
Then, during the Laramide Orogeny, the entire plateau was uplifted until about six million years ago. This load removal resulted in isostatic uplift and a second passive rise for the plateau.