Resources and Reserves

Mineral Resources and Mineral Reserves

Mineral Resources consist of sand dumps, slimes dams and silted ‘vlei’ areas and dams. Before dumps are included as Mineral Resources, they are evaluated by drilling and an engineering study is undertaken to determine infrastructure needs.

Competent persons

Competent PersonsTitleAddressQualificationsYears
Mpfariseni Mudau
Pr.Sci.Nat. 400305/12
Director of The RVN
Group Proprietary Limited
Willowbrook Villas 21,
Van Hoof St,
Roodepoort, 1724
BSc (Hons) – Geology,
MSc (Mining Engineering)
16
Professor Steven Rupprecht
FSAIMM 701013
Associate Principal Mining Engineer of the RVN Group Willowbrook Villas 21,
Van Hoof St,
Roodepoort, 1724
BSc. Mining Engineering
PhD. Mechanical
Engineering
35
Diana van Buren
Pr.Sci.Nat. 400107/14
Partner of Sound Mining Solution Proprietary Limited Sound Mining House,
2A Fifth Avenue,
Rivonia, 2128
BSc (Hons) – Geology 16
Vaughn Duke
Pr. Eng 940314
FSAIMM 37179
Partner of Sound Mining Solution Proprietary Limited Sound Mining House,
2A Fifth Avenue,
Rivonia, 2128
BSc Mining Engineering
(Hons), MBA
37

Mineral Resources as at 30 June 2022

 MEASUREDINDICATED
 Tonnes
Mt
Grade
g/t
Contents
Au tonnes
Contents
Moz
Tonnes
Mt
Grade
g/t
Contents
Au tonnes
Contents
Moz
Ergo  266.25 0.309 82.24 2.64 568.21 0.250 141.40 4.55
FWGR 229.37 0.333 76.39 2.46
Total Mineral Resources
as at 30 June 2022
495.62 0.320 158.63 5.10 568.21 0.250 141.40 4.55
Total Mineral Resources
as at 30 June 2021
518.09 0.321 166.46 5.35 574.95 0.250 143.70 4.61
 INFERREDTOTAL
 Tonnes
Mt
Grade
g/t
Contents
Au tonnes
Contents
Moz
Tonnes
Mt
Grade
g/t
Contents
Au tonnes
Contents
Moz
Ergo  21.32 0.240 5.12 0.16 855.78 0.267 228.76 7.35
FWGR 229.37 0.333 76.39 2.46
Total Mineral Resources
as at 30 June 2022
21.32 0.240 5.12 0.16 1 085.15 0.281 305.15 9.81
Total Mineral Resources
as at 30 June 2021
21.32              

Mineral Resources reported include Mineral Reserves
The figures contained in the tables are rounded, which may result in minor computational discrepancies which are not deemed to be significant


Mineral Resources as at 30 June 2021

 MEASUREDINDICATED
 Tonnes
Mt
Grade
g/t
Contents
Au tonnes
Contents
Moz
Tonnes
Mt
Grade
g/t
Contents
Au tonnes
Contents
Moz
Ergo 282.95 0.309 87.42 2.81 574.95 0.250 143.70 4.61
FWGR 235.14 0.336 79.04 2.54
Total Mineral Resources
as at 30 June 2021
518.09 0.321 166.46 5.35 574.95 0.250 143.70 4.61
Total Mineral Resources
as at 30 June 2020
548.24 0.325 177.96 5.73 339.69 0.253 95.08 3.06
 INFERREDTOTAL
 Tonnes
Mt
Grade
g/t
Contents
Au tonnes
Contents
Moz
Tonnes
Mt
Grade
g/t
Contents
Au tonnes
Contents
Moz
Ergo 21.32 0.240 5.12 0.16 879.22 0.269 236.24 7.58
FWGR 235.14 0.336 79.04 2.54
Total Mineral Resources
as at 30 June 2021
21.32 0.240 5.12 0.16 1 114.36 0.283 315.28 10.12
Total Mineral Resources
as at 30 June 2020
207.43 0.240 49.83 1.60 1135.16 0.284 322.87 10.39

Mineral Resources reported include Mineral Reserves
The figures contained in the tables are rounded, which may result in minor computational discrepancies which are not deemed to be significant


Mineral Reserves as at 30 June 2022

 PROVED
Delivered to plant
 Tonnes
Mt
Grade
g/t
Contents
Au tonnes
Contents
Moz
 
Ergo 200.21 0.325 65.02 2.09  
FWGR 216.49 0.334 72.15 2.32  
Total Mineral Resources
as at 30 June 2022
416.70 0.341 137.17 4.41  
Total Mineral Resources
as at 30 June 2021
251.63 0.333 83.60 2.68  
 PROBABLE
Delivered to plant
 Tonnes
Mt
Grade
g/t
Contents
Au tonnes
Contents
Moz
 
Ergo 192.79 0.240 46.27 1.49  
FWGR 12.88 0.330 4.24 0.14  
Total Mineral Resources
as at 30 June 2022
205.67 0.250 50.51 1.63  
Total Mineral Resources
as at 30 June 2021
266.47 0.311 82.85 2.67  
 TOTAL MINERAL RESERVES
Delivered to plant
 Tonnes
Mt
Grade
g/t
Contents
Au tonnes
Contents
Moz
Ergo 393.00 0.283 111.29 3.58
FWGR 229.37 0.333 76.39 2.46
Total Mineral Resources
as at 30 June 2022
622.37 0.302 187.68 6.04
Total Mineral Resources
as at 30 June 2021
518.10 0.321 166.45 5.35

The figures contained in the tables are rounded, which may result in minor computational discrepancies which are not deemed to be significant


Mineral Reserves as at 30 June 2021

 PROVED
Delivered to plant
 Tonnes
Mt
Grade
g/t
Contents
Au tonnes
Contents
Moz
 
Ergo 29.36 0.300 8.81 0.28  
FWGR 222.27 0.337 74.79 2.40  
Total Mineral Resources
as at 30 June 2021
251.63 0.333 83.60 2.68  
Total Mineral Resources
as at 30 June 2020
270.66 0.333 90.16 2.90  
 PROBABLE
Delivered to plant
 Tonnes
Mt
Grade
g/t
Contents
Au tonnes
Contents
Moz
 
Ergo 253.59 0.310 78.61 2.53  
FWGR 12.88 0.330 4.24 0.14  
Total Mineral Resources
as at 30 June 2021
266.47 0.311 82.85 2.67  
Total Mineral Resources
as at 30 June 2020
277.59 0.316 87.80 2.83  
 TOTAL MINERAL RESERVES
Delivered to plant
 Tonnes
Mt
Grade
g/t
Contents
Au tonnes
Contents
Moz
Ergo 282.95 0.309 87.42 2.81
FWGR 235.14 0.336 79.03 2.54
Total Mineral Resources
as at 30 June 2021
518.10 0.321 166.45 5.35
Total Mineral Resources
as at 30 June 2020
548.25 0.325 177.96 5.73

The figures contained in the tables are rounded, which may result in minor computational discrepancies which are not deemed to be significant

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