Fun fact II: there was a period of earth’s infancy where the seas were full of iron. Green in colour, mostly from volcanic activity.

Then up pop some photosynthetic bacteria who start farting out oxygen. The oceans start to rust. The rust falls to sediment and the farting contines. The ocean depletes of iron and the farting contines. The oxygen starts to fill up the sky and the farting continues. Some say it still goes on to this day. But what happened to the iron?

Well not uluru specifically but that’s what Australia’s distinctive colouration is. Ancient fart rusted sea iron