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Sydney Basin coalfields; Queensland ... Upper Silesian Coal Basin; Russia. Ulug-Khem coal basin; ... Coalfields and Producing Districts (Map). Scale 1:1,000,000.
The majority of Sydney Basin is raised sandstone plateau, with the exception being the Hunter Valley and the low-lying Cumberland Plain.. Minor igneous activity took place in the basin during the Early Jurassic (i.e. 210 million years ago), Late Mesozoic (i.e. 100-90 million years ago) and Cenozoic eras (i.e. 65 million years ago).
The Oaklands Basin hosts to more than 1000 m thick sediments. The basin was first discovered in 1916 when water drillers discovered coal near Coorabin. Coal has been the main focus for exploration within the basin since this time. Extensive coal exploration drilling has been undertaken, mostly in the Coorabin area.
Open cut coal mine in the Hunter valley. Coal is mined in every state of Australia.The largest black coal resources occur in Queensland and New South Wales. [1] About 70% of coal mined in Australia is exported, mostly to eastern Asia, [2] and of the balance most is used in electricity generation.
William Lawson found what he thought was coal near Mt York, in the area later known as Hartley Vale, in 1822, but it was actually oil shale. [9] [10] [11] However, at least by 1832, an attempt had been made to mine coal near the western base of Mount York, in the Vale of Clwydd, but it was found impractical due to transport difficulties. [12]
Sydney as viewed from Tasman Sea, overlooking the sandstone cliffs in Vaucluse Satellite photo of the Sydney area. The geography of Sydney is characterised by its coastal location on a basin bordered by the Pacific Ocean to the east, the Blue Mountains to the west, the Hawkesbury River to the north and the Woronora Plateau to the south.
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Ashfield Shale is part of the Wianamatta group of sedimentary rocks in the Sydney Basin. It lies directly on contemporaneously eroded Hawkesbury sandstone or the Mittagong formation. These rock types were formed in the Triassic Period. [1] It is named after the Sydney suburb of Ashfield. Some of the early research was performed at the old ...