Why did coal not form in australia, while it did form on other continents?

Coal did form in australia as it did in other continents as they all share the same history of gondwana superlandmass.

Explanation:

Australian coal occurs mainly in Queensland, Victoria, and new south wales,  as about 75% of this is mined in Australia is exported mainly of Asia. Australian in 2009 as the fourth-highest exporter of coal to the other countries.  Thus it has a high quality of bituminous coal as black coal or low-grade coal i.e brown coal. This is mined in Queensland and new south wales. The coal resources range from Permian to Jurassic in age 299. Ranging from 15 million to 225 million years old.

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