Unlike other continents, Australia sits on a relatively small ... Over time, the collision will also force rock upward, ...

Over two hundred fifty million years ago, India, Africa, Australia ... they crumpled into mountain ranges—the Himalayas. By 10 million years ago the two continents were in direct collision ...

Six of the majors are named for the continents embedded within them ... the crust crumples and buckles into mountain ranges. India and Asia crashed about 55 million years ago, slowly giving ...