headquarters_location rio tinto coal australia
___MASK8___ ( abbreviated as QLD ) is the second - largest and third - most - populous state in the Commonwealth of Australia . Situated in the north - east of the country , it is bordered by the Northern Territory , ___MASK65___ and New South Wales to the west , south - west and south respectively . To the east , ___MASK8___ is bordered by the Coral Sea and Pacific Ocean . ___MASK8___ has a population of 4 , 750 , 500 , concentrated along the coast and particularly in the state ' s South East . The state is the world ' s sixth largest sub - national entity , with an area of 1 , 852 , 642 km . The capital and largest city in the state is ___MASK5___ , Australia ' s third largest city . Often referred to as the " Sunshine State ", ___MASK8___ is home to 10 of Australia ' s 30 largest cities and is the nation ' s third largest economy . Tourism in the state , fuelled largely by its warm tropical climate , is a major ___MASK87___ . The Coral Sea is a marginal sea of the South ___MASK18___ off the northeast coast of Australia , and classified as an interim Australian bioregion . The ___MASK18___ Ocean is the largest of the Earth ' s oceanic divisions . It extends from the Arctic Ocean in the north to the Southern Ocean ( or , depending on definition , to Antarctica ) in the south and is bounded by ___MASK43___ and Australia in the west and the Americas in the east . The Australian Capital Territory ( ACT ) ( formerly , " The Territory for the Seat of Government " and , later , the " Federal Capital Territory ") is the federal district in the south east of ___MASK26___ , enclaved within ___MASK28___ . Its only city is Canberra , the capital city of ___MASK26___ . ___MASK24___ is the state capital of ___MASK28___ and the most populous city in Australia and Oceania . Located on Australia ' s east coast , the metropolis surrounds the world ' s largest natural harbour , and sprawls towards the Blue Mountains to the west . Residents of ___MASK24___ are known as " Sydneysiders ". ___MASK24___ is the second official seat and second official residence of the Governor - General of Australia and the Prime Minister of Australia and many federal ministries maintain substantial presences in ___MASK24___ . ___MASK28___ ( abbreviated as NSW ) is a state on the east coast of : Australia . It borders Queensland to the north , Victoria to the south , and ___MASK65___ to the west . It has a coast line with the Tasman Sea on its east side . The Australian Capital Territory is an enclave within the state . ___MASK28___ ' state capital is Sydney , which is also Australia ' s most populous city . , the estimated population of ___MASK28___ was 7 . 5 million , making it Australia ' s most populous state . Just under two - thirds of the state ' s population , 4 . 67 million , live in the Greater Sydney area . Inhabitants of ___MASK28___ are referred to as " New South Welshmen ". ___MASK5___ is the capital and most populous city in the Australian state of Queensland , and the third most populous city in Australia . ___MASK5___ ' s metropolitan area has a population of 2 . 3 million , and the South East Queensland urban conurbation , centred on ___MASK5___ , encompasses a population of more than 3 . 4 million . The ___MASK5___ central business district stands on the original European settlement and is situated inside a bend of the ___MASK5___ River , about from its mouth at Moreton Bay . The metropolitan area extends in all directions along the floodplain of the ___MASK5___ River Valley between Moreton Bay and the Great Dividing Range , sprawling across several of Australia ' s most populous local government areas ( LGAs ), most centrally the City of ___MASK5___ , which is by far the most populous LGA in the nation . The demonym of ___MASK5___ is Brisbanite . Rio Tinto Coal ___MASK26___ ( RTCA ) is an Australian coal mining organisation , and is part of the worldwide Rio Tinto Group . In ___MASK8___ , RTCA operates the Blair Athol , Hail Creek , Kestrel and Clermont mines . In ___MASK28___ , RTCA manages Coal & Allied ' s operations at Mount Thorley Warkworth , Hunter Valley Operations and Bengalla . ___MASK45___ is a country that is part of the ___MASK35___ and the island of Great Britain . It is bordered by England to the east , the Irish Sea to the north and west , and the Bristol Channel to the south . It had a population in 2011 of 3 , 063 , 456 and has a total area of . ___MASK45___ has over of coastline and is largely mountainous , with its higher peaks in the north and central areas , including Snowdon , its highest summit . The country lies within the north temperate zone and has a changeable , maritime climate . ___MASK46___ is the capital and most populous city of ___MASK44___ and the ___MASK35___ , as well as the most populous city proper in the European Union . Standing on the River Thames in the south east of the island of Great Britain , ___MASK46___ has been a major settlement for two millennia . It was founded by the Romans , who named it " Londinium ". ___MASK46___ ' s ancient core , the City of ___MASK46___ , largely retains its medieval boundaries . Since at least the 19th century , " ___MASK46___ " has also referred to the metropolis around this core , historically split between Middlesex , Essex , ___MASK84___ , Kent , and Hertfordshire , which today largely makes up Greater ___MASK46___ , governed by the Mayor of ___MASK46___ and the ___MASK46___ Assembly . The Northern Territory ( abbreviated as NT ) is a federal Australian territory in the ___MASK90___ and ___MASK90___ northern regions of Australia . It shares borders with Western Australia to the west ( 129th ___MASK32___ east ), ___MASK65___ to the south ( 26th parallel south ), and Queensland to the east ( 138th ___MASK32___ east ). To the north , the territory is bordered by the Timor Sea , the Arafura Sea and the Gulf of Carpentaria . Despite its large area  over , making it the third largest Australian federal division  it is sparsely populated . The Northern Territory ' s population of 244 , 000 ( 2016 ) makes it the least populous of Australia ' s eight major states and territories , having fewer than half as many people as Tasmania . Uranium is a chemical element with symbol U and atomic number 92 . It is a silvery - white metal in the actinide series of the periodic table . A uranium atom has 92 protons and 92 electrons , of which 6 are valence electrons . Uranium is weakly radioactive because all its isotopes are unstable ( with half - lives of the six naturally known isotopes , uranium - 233 to uranium - 238 , varying between 69 years and 4 . 5 billion years ). The most common isotopes in natural uranium are uranium - 238 ( which has 146 neutrons and accounts for over 99 %) and uranium - 235 ( which has 143 neutrons ). Uranium has the highest atomic weight of the primordially occurring elements . Its density is about 70 % higher than that of lead , and slightly lower than that of gold or tungsten . It occurs naturally in low concentrations of a few parts per million in soil , ___MASK25___ and water , and is commercially extracted from uranium - bearing minerals such as uraninite . Rio Tinto is a British - Australian multinational and one of the world ' s largest metals and mining corporations . The company was founded in 1873 , when a multinational consortium of investors purchased a mine complex on the Rio Tinto , in Huelva , ___MASK96___ , from the Spanish government . Since then , the company has grown through a long series of mergers and acquisitions to place itself among the world leaders in the production of many commodities , including aluminium , iron ore , copper , uranium , coal , and diamonds . Although primarily focused on extraction of minerals , Rio Tinto also has significant operations in refining , particularly for refining bauxite and iron ore . The company has operations on six continents , but is mainly concentrated in ___MASK26___ and ___MASK81___ , and owns its mining operations through a complex web of wholly and partly owned subsidiaries . Rio Tinto has joint head offices in London ( global and " plc ") & ___MASK74___ (" Limited " - ___MASK26___ ). ___MASK65___ ( abbreviated as SA ) is a state in the southern central part of Australia . It covers some of the most arid parts of the country . With a total land area of , it is the fourth - largest of Australia ' s states and territories . It has a total of 1 . 7 million people , and its population is the most highly centralised of any state in Australia , with more than 75 percent of South Australians living in the capital , Adelaide , or its environs . Other population centres in the state are relatively small . ___MASK74___ is the capital and most populous city of the Australian state of Victoria , and the second - most populous city in Australia . The name " ___MASK74___ " refers to an urban agglomeration spanning which comprises the broader metropolitan area , as well as being the common name for its city centre . The metropolis is located on the large natural bay of Port Phillip and expands into the hinterlands towards the Dandenong and Macedon mountain ranges , Mornington Peninsula and Yarra Valley . ___MASK74___ consists of 31 municipalities . It has a population of 4 , 529 , 500 , and its inhabitants are called Melburnians . The Tasman Sea ( Mori : " Te Tai - o - Rehua ") is a marginal sea of the South ___MASK18___ Ocean , situated between Australia and ___MASK97___ . It measures about across and about from north to south . The sea was named after the Dutch explorer Abel Janszoon Tasman , who was the first recorded European to encounter ___MASK97___ and Tasmania . The British explorer Captain James Cook later extensively navigated the Tasman Sea in the 1770s as part of his first voyage of exploration . Bauxite , an aluminium ore , is the world ' s main source of aluminium . It consists mostly of the minerals gibbsite ( Al ( OH )), boehmite (  - AlO ( OH )) and diaspore (  - AlO ( OH )), mixed with the two iron oxides goethite and haematite , the clay mineral kaolinite and small amounts of anatase ( TiO ) and ilmenite ( FeTiO or FeO . TiO ). In 1821 the French geologist ___MASK94___ Berthier discovered bauxite near the village of Les Baux in Provence , southern France . In 1861 , French chemist Henri Sainte - Claire Deville named the mineral " bauxite ".