Western Australia is the largest state in Australia. It contains no fewer than 1224 separate Protected Areas with a total area of 17,061,020 hectares (land area: 15,915,080 hectares – 6.30% of the state’s area). 63 of these are National parks, totalling 4,874,282 hectares (1.93% of the state’s area).
... marls and clays, folded by subsequent upheavals, in many parts of the island. The clays, which contain layers of good coal and an abundant fossil vegetation, show that ...