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In Situ Coal Resources and RAW Qualities for Mmamabula East

Seam Name Area (Mm2) Seam Thickness
(m)		 GTIS
(Mt)		 *Geological losses
(%)		 TTIS
(Mt)		 RawCoal Qualities (aduc)
            Ash (%) CV (MJ/kg) FC
(%)		 IM
(%)		 TS (%) VM
(%)
A Seam Indicated
 23 3.84 149 10 134 25.40 20.48 44.91 6.92 1.07 22.77
K Seam Indicated 11 4.26 82 10 74 29.15 19.36 39.01 6.22 1.95 25.62
E Seam Indicated 9 2.47 39 10 35 30.99 18.94 40.03 5.36 1.54 23.62
Total Indicated     270   243            
A Seam Inferred 186 3.29 1008 15 857 28.17 19.33 43.67 5.98 1.27 22.18
K Seam Inferred 118 3.46 667 15 567 28.10 19.58 39.67 5.66 1.96 26.58
E Seam Inferred 204 2.43 817 15 695 26.31 19.17 40.86 6.55 1.50 26.28
Total Inferred     2493   2119            

*Geological Loss = Geological Structural Elements, 5% Indicated, 10% Inferred + 5% Modeling Loss

In Situ (Wash) Coal Qualities for Mmamabula East K Seam (air dry)

Wash RD Yield
(%)		 CV
(MJ/kg)		 Ash
(%)		 VM
(%)		 IM
(%)		 FC
(%)		 TS
(%)
1.40 21.06 25.95 10.16 32.14 7.51 50.20 0.94
1.50 38.53 24.93 12.87 31.21 7.37 48.55 0.91
1.60 51.75 24.04 15.42 30.18 7.18 47.22 0.86
1.70 64.88 22.95 18.54 29.01 6.97 45.47 0.89
1.80 78.21 21.57 22.38 27.68 6.63 43.31 1.23
1.90 85.27 20.72 24.87 26.93 6.41 41.80 1.32
2.00 90.25 20.26 26.20 26.58 6.29 40.94 1.34

MMBE K Seam Washabilities

In Situ (Wash) Coal Qualities for Mmamabula East A Seam (air dry)

Wash RD Yield
(%)		 CV
(MJ/kg)		 Ash
(%)		 VM
(%)		 IM
(%)		 FC
(%)		 TS
(%)
1.40 12.82 26.03 8.58 28.12 8.36 54.94 0.61
1.50 32.09 24.96 11.35 26.31 8.30 54.03 0.46
1.60 52.22 23.83 14.46 25.03 8.16 52.35 0.46
1.70 67.93 22.78 17.44 24.30 7.92 50.34 0.43
1.80 82.84 21.52 21.33 23.53 7.57 47.56 0.73
1.90 88.93 21.02 22.89 23.22 7.40 46.49 0.84
2.00 92.36 20.77 23.66 23.07 7.31 45.96 0.89

MMBE A Seam Washabilities

In Situ (Wash) Coal Qualities for Mmamabula East E Seam (air dry)

Wash RD Yield
(%)		 CV
(MJ/kg)		 Ash
(%)		 VM
(%)		 IM
(%)		 FC
(%)		 TS
(%)
1.40 26.01 25.12 8.74 33.03 8.14 50.08 0.55
1.50 49.93 24.37 11.27 31.33 7.84 49.56 0.57
1.60 61.65 23.57 13.66 30.22 7.64 48.49 0.58
1.70 69.63 22.89 15.64 29.46 7.45 47.46 0.59
1.80 82.59 21.01 21.14 28.08 6.96 43.82 1.15
1.90 87.87 20.29 23.22 27.46 6.71 42.60 1.49
2.00 90.96 20.03 23.98 27.25 6.64 42.13 1.56

MMBE E Seam Washabilities

 

 

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