The geographic events during mesozoic Era;
-formation of the Rocky Mountains begins
-Innuitian Mountains formed
-shallow seas in the interior of North America at times
-This Era is the second of Earth’s three major geologic eras of Phanerozoic time.
-Mesozoic Era began 252.2 million years ago, following the conclusion of the Paleozoic Era, and ended 66 million years ago, at the dawn of the Cenozoic Era.
In the Mesozoic Era the mass destruction of marine and terrestrial life and the extinction of dinosaurs took place over that time.The extinction took place over 252 years back and over 96% or marine life and 70% of terrestrial life died out. The cause of extinction of marine life and terrestrial life is not clear but asteroid was the cause of extinction of all the dinosaur which were there on the planet since last 135 millions years ago. Before the Mesozoic era dinosaur used to rule the planet and the extinction of dinosaur was a major geographic event of the era.