Proposed Limpopo West Mine Concept Study ... - SRK Consulting
Proposed Limpopo West Mine Concept Study ... - SRK Consulting
Proposed Limpopo West Mine Concept Study ... - SRK Consulting
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<strong>SRK</strong> <strong>Consulting</strong>: 447493: <strong>Limpopo</strong> <strong>West</strong> GeochemPage viiiList of TablesTable 2-1: <strong>Proposed</strong> Phases of Mining at <strong>Limpopo</strong> <strong>West</strong> ................................................................................ 16Table 2-2: Description of envisaged <strong>Mine</strong> Facility ............................................................................................ 17Table 5-1: Summary of Exploration Boreholes sampled by IGS ...................................................................... 20Table 6-1: ARD Criteria based on NPR (MEND and GARD systems) ............................................................. 23Table 6-5: Pit Water Monitoring Data ............................................................................................................... 31Table 6-6: Summary of Findings ...................................................................................................................... 35Table 6-7: Summary of Geochemical Samples submitted for laboratory test-work ......................................... 35Table 6-8: Comparison of ABA and NAG findings ........................................................................................... 36Table 6-9: Summary of all Studies ................................................................................................................... 37List of FiguresFigure 2-1: Generalised Stratigraphic Column of the Coal-bearing interval in the Waterberg coalfield (AfterSnyman, 1998) ........................................................................................................................... 15Figure 2-2: Location of <strong>Study</strong> Area ................................................................................................................... 13Figure 5-1: Locality of Sampled Exploration Boreholes ................................................................................... 22Figure 6-1: Open System NNP vs. pH (initial and final) ................................................................................... 25Figure 6-2: AP vs NP (NPR) ............................................................................................................................. 24Figure 6-3: Ficklin metal concentrations against sulfuric acid leach pH ........................................................... 27Figure 6-4: Ratio of the sum of Calcium and Magnesium to Sulfate as meq/l ................................................. 29Figure 6-5: Ficklin metal concentrations against contact leach pH .................................................................. 30Figure 6-6: Ratio of the sum of Calcium and Magnesium to Sulfate as meq/l ................................................. 33GOGP/LAKJ Report_April2013_19April2013 (1)_Final_Ludi_22052013 April 2013
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