Resources - Lechana


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In Situ Coal Resources and RAW Qualities for Lechana Basal Seam

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

Resource Category Area (Mm2) Seam Thickness
(m)		 GTIS
(Mt)		 *Geological losses
(%)		 TTIS
(Mt)		 RawCoal Qualities (aduc)
            Ash (%) CV (MJ/kg) FC
(%)		 IM
(%)		 TS (%) VM
(%)
Morupule Main Seam Indicated
 11 2.43 44 10 40 27.85 18.59 39.47 4.73 1.84 21.66
Taukome Bright Seam Indicated 18 2.12 69 10 63 30.64 19.73 39.64 4.65 2.65 27.77
Total Indicated 29   113   103            
Morupule Main Seam Inferred 62 2.96 302 15 257 31.33 17.34 43.73 4.33 1.72 20.61
Taukome Bright Seam Inferred 176 1.97 553 15 470 34.95 18.16 34.41 4.40 2.50 26.24
Total Inferred 238   855   727            

In Situ (Wash) Coal Qualities for Lechana Morupule Main Seam (air dry)

Wash RD Yield
(%)		 CV
(MJ/kg)		 Ash
(%)		 VM
(%)		 IM
(%)		 FC
(%)		 TS
(%)
1.40 15.85 26.45 30.69 6.57 6.57 52.36 1.02
1.50 31.66 25.33 28.31 6.03 6.03 51.68 0.87
1.60 51.92 24.04 26.40 5.64 5.64 50.51 0.76
1.70 66.76 22.97 25.12 5.42 5.42 48.99 0.75
1.80 78.33 22.15 24.25 5.26 5.26 47.69 0.77
1.90 88.08 20.66 22.88 4.94 4.94 48.22 1.00
2.00 94.38 20.54 23.09 4.92 4.92 44.54 1.30

Lechana Morupule Main Seam Washabilities

In Situ (Wash) Coal Qualities for Lechana Taukome Seam (air dry)

Wash RD Yield
(%)		 CV
(MJ/kg)		 Ash
(%)		 VM
(%)		 IM
(%)		 FC
(%)		 TS
(%)
1.40 30.16 27.47 9.36 34.05 5.96 50.62 1.03
1.50 45.02 26.53 11.92 33.38 5.74 48.96 1.09
1.60 55.78 25.61 14.48 32.62 5.54 47.36 1.08
1.70 63.93 24.73 16.97 31.78 5.35 45.89 1.11
1.80 70.30 23.92 19.17 31.00 5.20 44.63 1.18
1.90 78.07 22.70 22.27 29.88 4.98 42.87 1.29
2.00 84.36 21.70 25.49 29.05 4.80 40.66 1.44

Lechana Taukome Seam Washabilities

 

 

 

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