Random good picture Not show

31. Mining minister Laurence Golborne said miners would start being individually evacuated 68 days after the collapse of part of the gold and copper mine in the Atacama desert.

32. Dexing Copper Mine is an especially large porphyry copper mine in the world.

33. A Canadian company hopes to site North America's largest open-pit gold and copper mine right next to Alaska's remote Lake Clark National Park.

34. Experimental results show the feasibility of bacterial leaching to recover copper in Shouwangfen Copper Mine.

35. Many years of production practice hade revealed some problems with the original sublevel caving system in the southern mineralized zone of Fengshan Copper Mine.

36. New 730E frother was used in the flotation tests of common oxidized copper ore, oxidized copper ore with high combination rate and carbonaceous slabby rock copper ore of Tangdan Copper Mine.

37. Anqing copper mine is the pilot unit that the country has mine industry pattern is reformed.

38. Dongguashan copper mine has such characteristics as high stress ( 30~38 MPa ) and rockburst possibility.

39. Dexing Copper Mine adopts leaching - solvent extraction - electrolysis process to recover copper from copper ore.

40. ABB to supply Mill Drive systems for copper mine in Brazil.

41. Yongping Copper Mine has summarized the methods of frequency selection and calibration of PSM-400 ultrasonic wave separator-size analyzer in practice.

42. Chengmenshan copper mine is a large coppersulphur mine in initial stage of development.

43. Sublevel caving method without sill pillar is adopted in the south section of Fengshan Copper Mine.