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Open Pit and Underground Mineral Reserves Summary

(As at June 30, 2017)

Deposits Proven Probable Proven and Probable
Tonnes (Mt) Grade (g/t) Au (Moz) Tonnes (Mt) Grade (g/t) Au (Moz) Tonnes (Mt) Grade (g/t) Au (Moz)
Masato       18.62 1.10 0.66 18.62 1.10 0.66
Niakafiri East 4.61 1.32 0.20 9.92 1.10 0.35 14.53 1.17 0.55
Golouma West       4.11 1.91 0.25 4.11 1.91 0.25
Sabodala 2.04 1.56 0.10 3.18 1.33 0.14 5.22 1.42 0.24
Gora       0.82 5.25 0.14 0.82 5.25 0.14
Kerekounda       0.53 4.71 0.08 0.53 4.71 0.08
Goumbati West and Kobokoto       1.42 1.31 0.06 1.42 1.31 0.06
Maki Medina       0.98 1.12 0.04 0.98 1.12 0.04
Niakafiri West       1.20 1.06 0.04 1.20 1.06 0.04
Golouma South       0.24 3.23 0.02 0.24 3.23 0.02
Subtotal Open Pit 6.65 1.39 0.30 41.02 1.35 1.78 47.66 1.35 2.07
Stockpiles 11.80 0.75 0.28       11.80 0.75 0.28
Total Open Pit with Stockpiles (OP) 18.45 0.98 0.58 41.02 1.35 1.78 59.47 1.23 2.36
Golouma West 1       0.62 6.07 0.12 0.62 6.07 0.12
Kerekounda       0.61 4.95 0.10 0.61 4.95 0.10
Golouma West 2       0.45 4.39 0.06 0.45 4.39 0.06
Golouma South       0.47 4.28 0.06 0.47 4.28 0.06
Subtotal Underground (UG)       2.15 5.01 0.35 2.15 5.01 0.35
TOTAL OPEN PIT & UNDERGROUND 18.45 0.98 0.58 43.17 1.53 2.12 61.62 1.37 2.70

Notes for Mineral Reserves Summary


1. CIM definitions were followed for Mineral Reserves.
2. Mineral Reserve cut-off grades range from 0.38 g/t to 0.57 g/t Au for oxide and 0.44 g/t to 0.63 g/t Au for fresh rock based on a $1,200/oz gold price.
3. Underground Mineral Reserve cut-off grades range from 2.3 g/t to 2.6 g/t Au based on a $1,200/oz gold price.
4. Mineral Reserves account for mining dilution and mining ore loss.
5. Proven Mineral Reserves are based on Measured Mineral Resources only.
6. Probable Mineral Reserves are based on Indicated Mineral Resources only.
7. Sum of individual amounts may not equal due to rounding.
8. The Niakafiri East and West deposits are adjacent to the Sabodala village and relocation of at least some portion of the village will be required which will necessitate a negotiated resettlement program with the affected community members.

 

Open Pit and Underground Mineral Resources Summary

As at June 30, 2017

Deposit Domain Measured Indicated Measured and Indicated Inferred
Tonnes Grade Au Tonnes Grade Au Tonnes Grade Au Tonnes Grade Au
('000s) (g/t Au) ('000s) ('000s) (g/t Au) ('000s) ('000s) (g/t Au) ('000s) ('000s) (g/t Au) ('000s)
Sabodala Open Pit 11,725 1.17 442 6,488 1.59 332 18,213 1.32 774 2,525 1.23 100
Underground  
  1,631 3.65 191 1,631 3.65 191 460 3.60 53
Combined 11,725 1.17 442 8,119 2.01 524 19,844 1.51 965 2,985 1.60 153
Masato Open Pit 4,163 0.68 92 22,212 1.16 829 26,375 1.09 921      
Underground  
  1,163 2.75 103 1,163 2.75 103 1,984 2.85 182
Combined 4,163 0.68 92 23,375 1.24 932 27,537 1.16 1,024 1,984 2.85 182
Gora Open Pit 439 2.47 35 471 8.67 131 911 5.68 166 35 5.60 6
Underground  
  315 5.14 52 315 5.14 52 59 4.83 9
Combined 439 2.47 35 786 7.26 183 1,226 5.54 218 95 5.12 16
Golouma Open Pit 40 1.38 2 5,857 2.85 536 5,897 2.84 538 84 2.49 7
Underground  
  2,134 4.09 280 2,134 4.09 280 854 3.66 100
Combined 40 1.38 2 7,991 3.18 816 8,031 3.17 818 939 3.55 107
Kerekounda Open Pit 30 3.30 3 1,153 4.45 165 1,184 4.42 168 5 1.12 0
Underground  
  499 4.88 78 499 4.88 78 235 5.70 43
Combined 30 3.30 3 1,653 4.58 243 1,683 4.56 247 239 5.61 43
Niakafiri East Open Pit 4,776 1.37 210 14,140 1.14 516 18,916 1.19 726 4,515 0.93 135
Underground  
  224 2.72 20 224 2.72 20 514 2.70 45
Combined 4,776 1.37 210 14,364 1.16 536 19,140 1.21 746 5,030 1.11 180
Niakafiri West Open Pit       3,061 1.02 100 3,061 1.02 100 673 0.86 19
Underground  
  74 2.67 6 74 2.67 6 71 2.84 6
Combined       3,135 1.06 107 3,135 1.06 107 744 1.05 25
Maki Medina Open Pit       2,112 1.22 83 2,112 1.22 83 114 0.81 3
Underground  
  109 2.71 10 109 2.71 10 85 2.54 7
Combined       2,221 1.30 93 2,221 1.30 93 199 1.55 10
Goumbati West - Kobokoto Open Pit       2,678 1.35 116 2,678 1.35 116 498 0.81 13
Underground  
  131 3.25 14 131 3.25 14 79 2.90 7
Combined       2,809 1.44 130 2,809 1.44 130 577 1.09 20
Golouma North Open Pit  
  170 1.32 7 170 1.32 7 295 1.42 14
Underground  
  14 2.64 1 14 2.64 1 19 2.93 2
Combined  
  184 1.42 8 184 1.42 8 314 1.51 15
Diadiako Open Pit                   178 1.27 7
Underground  
   
   
  663 2.89 61
Combined                   841 2.54 69
Kinemba Open Pit       24 1.06 1 24 1.06 1 91 0.95 3
Underground  
   
   
  56 2.52 5
Combined       24 1.06 1 24 1.06 1 147 1.55 7
Koulouqwinde Open Pit                   230 1.42 11
Underground  
   
   
  60 2.67 5
Combined                   290 1.68 16
Kourouloulou Open Pit       96 11.51 36 96 11.51 36 22 6.71 5
Underground  
  59 9.15 18 59 9.15 18 86 13.58 38
Combined       156 10.61 53 156 10.61 53 108 12.18 42
Kouroundi Open Pit       67 0.93 2 67 0.93 2 42 0.74 1
Underground  
   
   
   
 
Combined       67 0.93 2 67 0.93 2 42 0.74 1
Koutouniokolla Open Pit                   85 1.58 4
Underground  
   
   
  22 2.54 2
Combined                   108 1.78 6
Mamasato Open Pit       560 1.45 26 560 1.45 26 305 1.25 12
Underground  
   
   
  42 2.32 3
Combined       560 1.45 26 560 1.45 26 347 1.38 15
Marougou Open Pit                   1,198 1.41 54
Underground  
   
   
   
 
Combined                   1,198 1.41 54
Sekoto Open Pit                   485 0.89 14
Underground  
   
   
  25 2.11 2
Combined                   510 0.95 16
Soukhoto Open Pit                   550 1.46 26
Underground  
   
   
   
 
Combined                   550 1.46 26
Total Open Pit 21,174 1.15 783 59,091 1.52 2,882 80,264 1.42 3,665 11,933 1.13 434
Underground  
  6,354 3.78 773 6,354 3.78 773 5,315 3.34 570
Combined 21,174 1.15 783 65,444 1.74 3,655 86,618 1.59 4,438 17,247 1.81 1,004

Notes for Mineral Resources Summary

  1. CIM definitions were followed for Mineral Resources.
  2. Open pit oxide Mineral Resources are estimated at a cut-off grade of 0.35 g/t Au, except for Gora and Marougou at 0.48 g/t Au.
  3. Open pit transition and fresh rock Mineral Resources are estimated at a cut-off grade of 0.40 g/t Au, except for Gora and Marougou at 0.55 g/t Au.
  4. Underground Mineral Resources are estimated at a cut-off grade of 2.00 g/t Au.
  5. Measured Resources at Sabodala include stockpiles which total 7.2 Mt at 0.75 g/t Au for 174,000 oz.
  6. Measured Resources at Masato include stockpiles which total 4.2 Mt at 0.68 g/t Au for 92,000 oz.
  7. Measured Resources at Gora include stockpiles which total 0.4 Mt at 1.28 g/t Au for 15,000 oz.
  8. Measured Resources at Golouma include stockpiles which total 0.04 Mt at 1.38 g/t Au for 2,000 oz.
  9. Measured Resources at Kerekounda include stockpiles which total 0.03 Mt at 3.30 g/t Au for 3,000 oz.
  10. High grade assays were capped at grades ranging from 1.5 g/t Au to 110 g/t Au.
  11. The figures above are "Total" Mineral Resources and include Mineral Reserves.
  12. Open pit shells were used to constrain open pit resources.
  13. Mineral Resources are estimated using a gold price of US$1,450 per ounce.
  14. Sum of individual amounts may not equal due to rounding.

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July 3, 2014 Technical Report 19.46 MB

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