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Hancock Prospecting is an Australian mineral exploration and extraction privately owned company that holds the rights to some of the largest land leases in the Pilbara region of Western Australia, containing the world's largest iron ore deposit. Established in 1955, the company is chaired by Gina Rinehart, estimated to be the wealthiest person in Australia, and the daughter of the company's founder, the late Lang Hancock. It is owned by Gina Rinehart (76.6%) and the Hope Margaret Hancock Trust (23.4%). ==Activities== The Hancock Group of Companies are holders of numerous iron ore leases in the Pilbara. The leases cover an area of predominantly in the Central Pilbara region and contain mineable reserves of Brockman and Marra Mamba ore of over 850 million tonnes. Leases in the Eastern Pilbara region contain mineable reserves of Marra Mamba ore of over 2 billion tonnes, and over 500 million tonnes of ferruginous manganese in their Nicholas Downs Project,〔 which is a joint venture with mining services company Mineral Resources Limited. In 2011, the company was estimated to be earning about 870 million in revenue per year. This is based on a 50% share of profits generated at the Hope Downs mine which is operated by Rio Tinto. Hope Downs production levels of 30 million tonnes per year and current prices (around US$140 per tonne) generate over A$2 billion in revenue, and about A$700 million in net cash. In addition, the company receives a 1.25% royalty from iron ore sales by Hamersley Iron (a Rio Tinto subsidiary) which delivers about A$170 million a year. Hancock Prospecting exploration activities are done under the Jacaranda Alliance, a joint venture between Hancock, Minerals Australia Pty Ltd, and several former executives of Rio Tinto. Exploration and evaluation work on uranium, molybdenum, lead, zinc, gold, diamonds and petroleum deposits are conducted in Australia, Papua New Guinea, New Zealand and South East Asia. At stages of its trading, the company has been known as Hancock Prospecting Ltd, Hancock Resources, Hanwright Pty Ltd, Hancock & Wright Ltd, and Hancock Prospecting Pty. Ltd. 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「Hancock Prospecting」の詳細全文を読む スポンサード リンク
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