Cascade Mountains began forming. Chimpanzee and hominid lines evolve. Extensive glaciation in Southern Hemisphere. Browsing mammals and many types of modern plants evolve. Creation of the Alps and Himalaya mountain chains.
Volcanoes form in Rocky Mountains.
Primitive monkeys evolve and Himalayas began forming. Australian plate separates from Antarctica. Indian plate collides with Asia. Shallow continental seas become less widespread. Africa and South America begin to separate.