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The Perth Basin is a thick, elongated sedimentary basin in Western Australia. It lies beneath the Swan Coastal Plain west of the Darling Scarp, representing the western limit of the much older Yilgarn Craton, and extends further west offshore. Cities and towns including Perth, Busselton, Bunbury, Mandurah and Geraldton are built over the Perth ...
They are part of the Perth Basin, and are a sequence of non-marine, probably fluvial sandstones, shales and silts including bituminous coal, and are up to 300 m thick. The Cattamarra Coal Measures conformably overly the Eneabba Formation. [2] The Cattamarra Coal Measures constitute an unconventional tight gas reservoir. [3]
There was a large bay in the Great Sandy Desert with reefs. The Calliope Arc went from the north of Rockhampton south to Grafton. Most of the centre and west of Australia was land mass. There were volcanic mountains off the current east coast supplying sediment into a basin on parts of the east. The basin contained limestone and river deposited ...
The Australian plate is a major tectonic plate in the eastern and, largely, southern hemispheres. Originally a part of the ancient continent of Gondwana , Australia remained connected to India and Antarctica until approximately 100 million years ago when India broke away and began moving north.
Bolsa de Madrid (Spanish pronunciation: [bolsa ðe ˈmaðɾið]; Madrid Stock Exchange) is the largest and most international of Spain's four regional stock exchanges (the others are located in Barcelona, Valencia, and Bilbao) that trade shares and convertible bonds and fixed income securities, and both government and private-sector debt.
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The IBEX 35 (IBerian IndEX) is the benchmark stock market index of the Bolsa de Madrid, Spain's principal stock exchange.Initiated in 1992, the index is administered and calculated by Sociedad de Bolsas, a subsidiary of Bolsas y Mercados Españoles (BME), the company which runs Spain's securities markets (including the Bolsa de Madrid).
The sediments that constitute the Officer Basin were first deposited upon an unconformable surface over variably metamorphosed basement rocks. [1] This initial deposition is commonly referred to as "Supersequence 1", and contains the probable reservoir Buldya Group, overlain by a seal sequence containing the Hussar, Kanpa and Steptoe groups. [1]