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Resources and Reserves

Platinum operations

Sibanye-Stillwater’s Mineral Resources and Mineral Reserves are reported in accordance with the SAMREC Code, and are considered to be fully compliant in all material respects with the requirements of the code.

The Mineral Resources and Mineral Reserves Report 2017 contains a comprehensive review of the Mineral Resources and Mineral Reserves as at 31 December 2016, and details the location, geology, mining, processing, operational statistics and changes at each of Sibanye-Stillwater’s mining operations and projects.

Mineral Resources and Mineral Reserves Report 2017
Cover thumbnail: Mineral resources and mineral reserves report 2017

4E PGM Mineral Resources and Mineral Reserves split per operation and project as at 31 December 2017

Classified 4E PGM Mineral Resource and Mineral Reserve Statement as at 31 December
  Mineral Resources  Mineral Reserves 
Operations 20172016Operations20172016
  Tonnes
(Mt)
Grade
(g/t)
4E PGM
(Moz)
4E PGM
(Moz)
 Tonnes
(Mt)
Grade
(g/t)
4E PGM
(Moz)
4E PGM
(Moz)
SA operations: Kroondal (50% attributable)1 SA operations: Kroondal (50% attributable)1
Measured   32.2 3.0 3.146 3.470 Proved 15.1 2.6 1.243 1.802
Indicated UG2 14.3 3.2 1.472 1.268

Probable

6.8 2.6 0.561 0.489
Inferred   2.7 3.0 0.261 0.189          
Total   49.3 3.1 4.879 4.926 Total 21.9 2.6 1.804 2.291

SA operations: Blue Ridge (50% attributable)

SA operations: Blue Ridge (50% attributable)

Measured   14.8 3.3 1.570 1.570 Proved        
Indicated UG2 4.1 3.2 0.420 0.420 Probable        
Inferred   4.2 3.2 0.440 0.440          
Total   23.1 3.3 2.430 2.430 Total        

SA operations: Rustenburg (excluding tailings)

SA operations: Rustenburg (excluding tailings)

Measured   64.7 6.1 12.620 12.937 Proved 9.4 5.3 1.597 1.602
Indicated MER 42.7 5.9 8.149 8.229 Probable 0.9 4.9 0.149 0.125
Inferred   11.2 5.7 2.063 2.016          
Total   118.6 6.0 22.832 23.182 Total 10.4 5.2 1.746 1.727
Measured   308.9 4.7 46.592 46.809 Proved 109.7 3.7 12.953 13.563
Indicated UG2 80.9 5.0 13.086 13.296 Probable 7.5 4.2 1.007 0.775
Inferred   4.2 5.2 0.699 0.700          
Total   394.0 4.8 60.377 60.805 Total 117.2 3.7 13.960 14.339
Measured   373.6 4.9 59.211 59.745 Proved 119.2 3.8 14.550 15.165
Indicated COMBINED 123.6 5.3 21.235 21.525 Probable 8.4 4.3 1.156 0.901
Inferred   15.4 5.6 2.762 2.717          
Total   512.6 5.0 83.209 83.987 Total 127.6 3.8 15.706 16.066
Tailings           Tailings        
Measured   81.9 1.1 2.818 3.140 Proved        
Indicated COMBINED         Probable 81.9 1.1 2.818 3.140
Inferred                    
Total   81.9 1.1 2.818 3.140 Total 81.9 1.1 2.818 3.140
Total projects           Total projects        
Measured   1.4 5.1 0.230 1.110 Proved        
Indicated COMBINED 28.1 5.5 4.980 2.470

Probable

       
Inferred   81.9 6.3 16.710

21.370

         
Total   111.4 6.1 21.920 24.950 Total        
Non-SA operations: Mimosa2 (50% attributable) Non-SA operations: Mimosa2 (50% attributable)
Measured   30.2 3.7 3.570 3.776

Proved

12.5 3.5 1.423 1.053
Indicated MSZ 15.4 3.6  1.776 1.776 Probable 5.6 3.4 0.607 0.636
Inferred   4.4 3.6 0.512 0.512           
Inferred (Oxides)   9.0 3.4 0.981 0.981          
Total   59.0 3.6 6.839 7.045 Total 18.1 3.5 2.030 1.689

Total PGM operations

Total PGM operations

Measured   534.1 4.1 70.546 72.811

Proved

146.7 3.6 17.215 18.021
Indicated COMBINED 185.5 5.0 29.883 27.459

Probable

102.7 1.6 5.143 5.165
Inferred   108.6 5.9 20.685  25.228          
Inferred (oxides)   9.0 3.4 0.981  0.981          
Total   837.2 4.5 122.095 126.478 Total 249.4 2.8 22.358 23.186
  • 1 Kroondal Extension is being mined by Sibanye-Stillwater on a royalty agreement with AAP and under an exclusive MR from AAP
  • 2 Mimosa (Zimbabwe) is a non-South African operation managed as a stand alone company in Zimbabwe, 50% attributable to Sibanye-Stillwater