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Kalgold open pit

Our operations

Kalgold open pit

Kalgold is an open-pit mine situated 55 kilometres southwest of Mahikeng in North West Province and located within the Kraaipan Greenstone Belt. Mining takes place from the A Zone pit. Ore mined from the pit is processed at a carbon-in-leach plant located at Kalgold.

Performance FY15

Success at Kalgold will be ensured by increased tonnes milled, based on the use of additional mobile crushing units to substitute low

Availability of the plant crusher section. The upgrade of the elution circuit and the replacement of the existing A and B mills, as well as improved safety, will ensure Kalgold’s profitability. We will remain focused on managing the mining contract and its sub-contractors, and on commissioning of the in-pit tailings deposition project.

Risks managed at Kalgold include the prevention of plant intrusions and gold theft and the performance of blasting and hauling operations in the pit.

More detailed information on safety performance can be found in the Integrated annual report.

Key statistics

    FY15 FY14 FY13
Number of employees        
– Permanent   240 230 246
– Contractors   465 471 390
Total   705 701 636
Operational        
Volumes milled (000t) (metric) 1 472 1 472 1 398
  (000t) (imperial) 1 623 1 623 1 542
Gold produced (kg) 1 198 1 162 1 332
  (oz) 38 517 37 358 42 825
Gold sold (kg) 1 230 1 203 1 263
  (oz) 39 545 38 677 40 607
Grade (g/t) 0.81 0.79 0.95
  (oz/t) 0.024 0.023 0.028
Productivity (g/TEC) 183.86 185.15 202.19
Financial        

Revenue

(Rm)

551

522

571

  (US$m) 48 50 65
Average gold price received (R/kg) 448 230 433 759 451 856
 

(US$/oz)

1 218

1 303

1 593

 

Cash operating cost

(Rm)

452

409

384

 

(US$m)

40

39

44

 
Production profit/(loss) (Rm) 88 103 215
 

(US$m)

8

10

24

 

Capital expenditure

(Rm)

41

33

52

  (US$m) 4 3 6
Cash operating cost (R/kg) 377 547 351 670 288 147
  (US$/oz) 1 026 1 057 1 016
All-in sustaining cost (R/kg) 427 005 397 889 329 652
  (US$/oz) 1 160 1 196 1 162
Safety        
Number of fatalities   0 0 0
Lost-time injury frequency rate per million hours worked   2.25 0.90 3.87
Environment        
Electricity consumption (GWh) 40 41 46
Water consumption – primary activities (ML) 1 795 1 707 1 571
Greenhouse gas emissions (000t CO2e) 41 41 46
Intensity data per tonne treated        
– energy   0.03 0.03 0.033
– water   1.22 1.16 1.12
– greenhouse gas emissions   0.03 0.03 0.033
Number of reportable environmental incidents   1 0 0
Community        
Local economic development (Rm) 2 7 5
Training and development (Rm) 4 4 3
Other salient features  
Status of operation Open-pit mining operation
Life of mine 14 years
Compliance and certification New order mining right – August 2008
ISO 14001
ISO 9001

Mineral reserves as at 30 June 2015

  Proved reserves Probable reserves Total mineral reserves
Reserves (metric) Tonnes
(Mt)
Grade
(g/t)
Gold
(000kg)
Tonnes
(Mt)
Grade
(g/t)
Gold
(000kg)
Tonnes
(Mt)
Grade
(g/t)
Gold
(000kg)
  5.8 0.97 6 10.6 1.15 12 16.5 1.08 18
Reserves (imperial) Tons
(Mt)
Grade
(oz/t)
Gold
(000oz)
Tons
(Mt)
Grade
(oz/t)
Gold
(000oz)
Tons
(Mt)
Grade
(oz/t)
Gold
(000oz)
  6.4 0.028 182 11.7 0.033 393 18.2 0.032 574

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Annual report

Integrated annual report 2015
Integrated annual report 2015

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Harmony Investor brief, May 2016
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