‘What’s Australia made of? Geologically, it depends on the state you’re in‘, The Conversation, 21 November 2017
Tracks back billions of years to show that the western part of Australia is older than the east and there was once an ocean in between. Tasmania may once have been part of America.
We think of Australia as a solid landmass. But it’s actually more like a jigsaw puzzle that has been put together over many millions of years.
The problem with working out how Australia formed is that the evidence is often buried, making access to geological materials quite difficult.