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Charters Towers is a city in northern Queensland, Australia. It is inland (south-west) from Townsville on the Flinders Highway. In 2011 the population was 8,234 people.〔 During the last quarter of the 19th century the town boomed as the rich gold deposits under the city were developed. After becoming uneconomic in the 20th century, profitable mining operations have commenced once again. ==History== The town was founded in the 1870s when gold was discovered by chance at Towers Hill on Christmas Eve 1871 by 12-year-old Aboriginal boy, Jupiter Mosman. Jupiter was with a small group of prospectors including Hugh Mosman, James Fraser and George Clarke. Their horses bolted after a flash of lightning. While he was searching Jupiter found both the horses and a nugget of gold in a creek at the base of Towers Hill.〔(Charters Towers Story ). Citigold Corporation. January 2010. Retrieved 24 June 2011.〕 Charters originated from the Gold Commissioner, W.S.E.M. Charters.〔(【引用サイトリンク】title=World History )〕 A total of ten major gold reefs were eventually mined.〔 Such were the boom years, between 1872 and 1899, that Charters Towers hosted its own stock exchange. A railway between Charters Towers and the coastal port of Townsville was completed in December 1882.〔 During this period, the population was approximately 30,000, making Charters Towers Queensland's largest city outside of Brisbane. The city was also affectionately known as 'The World',〔 as it was said that anything one might desire could be had in the 'Towers', leaving no reason to travel elsewhere. The Borough of Charters Towers was proclaimed on 21 June 1877 under the ''Municipal Institutions Act 1864'' with John McDonald being elected the town's first mayor''.''〔〔28 Vic No. 21 (Imp)〕 The local government area would later be known as Town of Charters Towers and City of Charters Towers, before being absorbed into the Charters Towers Region. Charters Towers Post Office opened on 17 May 1872. A 20 head of stamps mill began ore crushing operations on 16 July 1872. The Venus Battery continued to be used by small mine in the region until 1971.〔 The unique site remains intact today, together with a cyanide treatment plant and assay office. By 1917 gold mining became uneconomic. During World War I labour was hard to find, and as the mines drove deeper, ventilation and water problems arose. This production decline was similar across Australian gold mines, with rising costs and a fixed gold price eroding profitability. The town entered a long period of relative stagnation and little further development has occurred since. The Charters Towers gold field produced over 200 tonnes (6.6 million troy ounces) of gold from 1871–1917.〔 The gold is concentrated into veins and was Australia's richest major field with an average grade of 34 grams per tonne. The grade was almost double that of Victorian mines and almost 75% higher than the grades of Western Australian (Kalgoorlie) gold fields of that time.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Charters Towers」の詳細全文を読む スポンサード リンク
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