How was australia different than continents where coal formed?

Australia is a very isolated continent, lacking any land bridge to another continent. It is thus isolated. Furthermore, the climate of Australia differs significantly from the other 6 (for that matter, the other 6 also have unique climates), meaning adaptations in Australia need to solve a different set of problems. read more

And in fact the Newcastle, Wollongong, Katoomba triangle on the east coast, which includes metropolitan Sydney, lies over a prodigiously rich coal bed. Of course, the real estate that lies above it is a bit too valuable to a build a coal mine there.. read more