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Advantages of mining ores Metals that can be found from mining ores Aluminium = 32 million tonnes Copper = 12million tonnes Gold = 2600 tonnes Lead = 3800000 tonnes Tin = 660000 tonnes Zinc = 7100000 Metal ores Most metals must be extracted from rocks, called ores, in the Earth's
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Figure 2 Ore grade has decreased over time across most commodities in Australia Adapted from Mudd, GM, 2009, The Sustainability of Mining in Australia: Key Production Trends and Their Environmental Implications for the Future Research Report No RR5, Department of Civil Engineering, Monash University and Mineral Policy Institute
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Jan 31, 2015· The advantages of iron and iron ore (Arabic) 1 The Advantages of Iron Iron is an incredibly useful substance It's less brittle than stone yet, compared to wood or copper, extremely strong If properly heated, iron is also relatively easy to shape ,
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Apr 17, 2018· The advantages and disadvantages of iron and steel from the viewpoint of a threaded bar are listed below - Advantages - * Very strong as compared to other structural materials * Most versatile material that can be used for a variety of purposes b.
Apr 08, 2018· The environmental impact The environmental impact of miningincludes erosion, formation of sinkholes, loss of biodiversity, and contamination of soil, groundwater and surface water by chemicals from mining process , In urbanised environments m.
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