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Chapter - A OPEN PIT MINING
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23 rd Electric Drive Mining Class
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23 rd change out at defined interv
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23 rd D f = Fuel Density A typical
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23 rd Gold-Mining and Ornamental S
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23 rd greywackes and conglomerates
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23 rd petrographic assemblages are
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23 rd two main pudding layers met
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23 rd (mortars and mills), made wi
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23 rd Associazione Lombarda di Arc
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- Page 84 and 85: analisys degradation and erosion ri
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2 HAULAGE SYSTEMS IN OPEN PIT MINES
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3 HUB-LOCATION PROBLEM One of the n
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economical. As described before, th
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Considering the procedure depicted
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ore is a big environmental problem
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of Mariana / Minas Gerais. This stu
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transportation costs by truck. COAL
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The tectonic activity involved an a
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3.5 SMR classification (Slope Mass
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1 INTRUDUCTION The study area is lo
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y alluvium. Green schist and hornfe
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3.2.3 Separation of alteration zone
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3.2.1.3 Propylitic alterations extr
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Landfill MP 4 Transport route MP 7
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Table 2. Air quality limit values f
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Sedimentary dust (mg/m 2 day) 12000
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5 CONCLUSION Based on the obtained
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The limestone was extracted at Gura
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exploited power and mineral substan
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Table 2. Surface exploitations numb
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5.1.4 Sandstone exploitation Common
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4.1.13 Loess exploitation Figure 10
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5.2.5 Basalt and diabase exploitati
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6 ORES AND INDUSTRIAL MINERALS EXPL
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02 November 2002, Bucharest, Romani
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