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BEIJING (Reuters) - ** China's National Energy Administration (NEA) said on Wednesday it had approved a new open-pit coal mine project in western Xinjiang region with …Get Price
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China's largest open-pit coal mine is located in Haerwusu in the Inner Mongolia Autonomous Region. It started production on 20 October 2008, and is operated by Shenhua Group.Its estimated coal output was forecast at 7 million tonnes in the fourth quarter of 2008.Get Price
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When coal seams are near the surface, it may be economical to extract the coal using open cut (also referred to as open cast, open pit, mountaintop removal or strip) mining methods. Open cast coal mining recovers a greater proportion of the coal deposit than underground methods, as more of the coal seams in the strata may be exploited.Get Price
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Jun 26, 2017· In this Wednesday, Nov. 4, 2015, file photo, vehicles work at an open-pit coal mine near Ordos in northern China's Inner Mongolia Autonomous Region.Get Price
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Nanfen open pit iron mine, located in Nanfen district of the Liaoning province, China, is approximately 500m deep. It is one of the largest open-pit metal mines in China. Nanfen open pit mine is owned and operated by Benxi Iron and Steel Corporation (Benxi Steel).Get Price
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Bingham Canyon Mine, located near Salt Lake City, is the world's deepest man-made open pit excavation. The mine is 2.75 miles (4,5km) across and 0.75 mile (1,2km) deep. Since mining operations started in 1906, Bingham Canyon Mine has been the granddaddy of all copper mines.Get Price
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Basics of an open pit mine - Mine Engineer.Com. Fig. 1, above shows an illustration of a Open Pit Surface Mine. The definition of a open pit mine is "an excavation or cut made at the surface of the ground for the purpose of extracting ore and which is open to the surface for the duration of the mine…Get Price
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In a open pit coal mine, the pit bottom would be the bottom mined coal seam elevation, since it is usually feasible to extract multiple seams when surface mining coal. In a hard rock mine, the bottom of the pit would be the lowest level (elevation) that mining would be conducted on the ore being mined.Get Price
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The development pit, for the Antaibao open pit coal mine, covers about 1.5 km 2 and is located between the villages of Antaibao and Erpu, as shown in Fig. 1. The southeast trending Seven Mile River Valley crosses through the development pit.Get Price
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Coal extraction from open-pit mine begins. ... Both the projects are part of the China Pakistan Economic Corridor (CPEC) and are being built in collaboration with Chinese contractors.Get Price