During the ________ era,the westward-moving North American plate began to override the Pacific plate,eventually causing the tectonic activity that ultimately formed the mountains of western North America.

Question

Quizplus · Accepted Answer

During the Mesozoic era, which lasted from around 252 million to 66 million years ago, the westward-moving North American plate began to override the Pacific plate, leading to the tectonic activity that ultimately formed the mountains of western North America, including the Rockies and Sierra Nevada ranges. This process of mountain building is known as the Laramide orogeny.

During the ________ Era,the Westward-Moving North American Plate Began to Override