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South Africa
Rustenburg Operation

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 Location:
5 km E from Rustenburg, South Africa

  Address:
Constantia Office Park Cnr 14th Avenue & Hendrik Potgieter Road Bridgeview House Ground floor
Weltevreden Park
South Africa
1709
Phone  ...  Subscription required
Fax+27-11-278-9863
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Gold
  • Platinum
  • Palladium
  • Rhodium
  • Nickel
  • Copper
Mining Method
  • Breast mining
  • Scattered stoping
  • Bord-and-pillar
  • Hydraulic mining
Production Start...
Mine Life2051
Rustenburg consists of three intermediate depth operating vertical shafts that utilise a conventional mining method – Siphumelele 1, Khuseleka 1, and Thembelani 1 – and Bathopele Shaft.

During 2021, a feasibility study was initiated, to be finalised in 2022, on the Siphumelele UG2 project. The Merensky reef horizon at Siphumelele 1 shaft is nearing depletion and the study considers replacing Merensky production with UG2 which extends from 23 level down to 29 level. In addition, the Thembelani Deeps (MER) project will be under study during 2022, which could enhance the Merensky tonnage output production beyond the current LoM estimates and is planned to be taken to a “Stage 2” Feasibility study.


Owners

Source: p. 60
CompanyInterestOwnership
Sibanye-Stillwater Ltd. 74 % Indirect
Sibanye Rustenburg Platinum Mines Proprietary Ltd. (operator) 100 % Direct
Ownership Tree
In terms of the Rustenburg operation transaction, a 26% stake in Sibanye Rustenburg Platinum Mines Proprietary Limited (SRPM) was acquired through Newshelf 1335 Proprietary Limited (BBBEE SPV). The shareholders of BBBEE SPV are Rustenburg Mine Employees Trust (30.4%), Rustenburg Mine Community Development Trust (24.8%), Bakgatla-Ba-Kgafela Investment Holdings (24.8%) and Siyanda Resources Proprietary Limited (20.0%). The Rustenburg Mine Employees Trust and the Rustenburg Mine Community Development Trust are controlled and consolidated by Sibanye-Stillwater.

Contractors

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Deposit Type

  • Magmatic
  • Footwall hosted
  • Pegmatite


Summary:

Two reef types are mined at the Rustenburg operations: UG2 Reef and Merensky Reef, both dipping at ~9° towards the northeast. The UG2 Reef consists of a main chromitite seam with an average thickness of 70cm. The mining cut includes the main seam and various components of hangingwall and footwall to a planned mining width varying from 105cm (conventional) to 120cm (mechanised).

The Merensky Reef lies 140m above the UG2 Reef and consists of pegmatoidal feldsphatic pyroxenite, with thin top and bottom contact chrome stringers, and has an average width of 20cm.The mining cut includes the Merensky Reef and various components of hangingwall and footwall to a planned minimum width varying between 105cm and 120cm.

Within the Rustenburg operation, the UG2 Reef occurs vertically between 90m and 150m below the Merensky Reef and dips in a north-easterly direction at about 9º to 12º. The UG2 Reef is more prone to undulations when compared to the Merensky Reef, resulting in rolling reef. [2020 Mr, p.63]

Both the UG2 and Merensky mineralisation occurs as tabular orebodies, and are laterally continuous with relatively long-range grade consistency and predictability.

Reef disruptions in the form of potholing, faulting, IRUP and dykes occur throughout the orebody resulting in an average geological loss of 15%.


Mining Methods

  • Breast mining
  • Scattered stoping
  • Bord-and-pillar
  • Hydraulic mining


Summary:

Rustenburg consists of three intermediate depth operating vertical shafts, which utilise a conventional mining method (Siphumelele 1, Khuseleka 1 and Thembelani 1) and Bathopele, which is a shallow mechanised operation.

The Mineral Resource is accessed from surface using conventional underground mining methods to 34 Level (the lowest working level) at Siphumelele 1 Shaft, approximately 1,350m below surface, to 28 Level (the lowest working level) at Khuseleka 1 Shaft, approximately 950m below surface, and 29 Level (the lowest working level) at Thembelani 1 Shaft. The Mineral Resource at Bathopele Shaft is accessed from surface via two decline clusters using mechanised mining methods to a depth of approximately 500m below surface. 66% or 54.55Moz of the total Mineral Resources are above infrastructure and 34% or 27.78Moz are below infrastructure.

The vertical shafts target both the Merensky Reef and UG2 Reef horizons, whilst the shallow, mechanised Bathopele targets only the UG2 Reef.

Mining method:
• Vertical shafts: conventional scattered breast mining;
• Mechanised declines: bord-and-pillar;
• TSF: Hydraulic (Hydrojet).

Apart from the underground operations, there are also two tailings retreatment operations:
• WLTRP treats tailings from the old Waterval and Klipfontein TSFs, via hydro mining;
• Tails from the Waterval TSFs and Waterval UG2 and Retrofit concentrators are retreated at the Platinum Mile plant.


Crushing and Grinding


Processing

Source: Subscription required

Summary:

- subscription is required.


Production:

CommodityProductUnits202120202019201820172016
4E (Pt, Pd, Rh, Au) Metal in concentrate koz  ......  Subscription required  ......  Subscription required  ......  Subscription required778810
PGM Metal koz  ......  Subscription required
Gold Metal koz  ......  Subscription required
Platinum Metal koz  ......  Subscription required
Palladium Metal koz  ......  Subscription required
Rhodium Metal koz  ......  Subscription required
Nickel Metal kt  ......  Subscription required
Copper Metal kt  ......  Subscription required
Subscription required - Subscription is required.

Operational Metrics:

Metrics202120202019201820172016
Tonnes milled  ......  Subscription required  ......  Subscription required11,379 kt12,862 kt12,983 kt11,789 kt
Subscription required - Subscription is required.

Reserves at December 31, 2021:

CategoryOreTypeTonnage CommodityGradeContained Metal
Proven Total 112.7 Mt 4E (Pt, Pd, Rh, Au) 3.5 g/t 12.9 M oz
Probable Total 56.4 Mt 4E (Pt, Pd, Rh, Au) 1.5 g/t 2.6 M oz
Proven & Probable Total 169 Mt 4E (Pt, Pd, Rh, Au) 2.9 g/t 15.5 M oz
Measured Total 416.6 Mt 4E (Pt, Pd, Rh, Au) 4.4 g/t 58.4 M oz
Indicated Total 119.7 Mt 4E (Pt, Pd, Rh, Au) 5.3 g/t 20.5 M oz
Measured & Indicated Total 536.4 Mt 4E (Pt, Pd, Rh, Au) 4.6 g/t 78.9 M oz
Inferred Total 14.9 Mt 4E (Pt, Pd, Rh, Au) 5.6 g/t 2.7 M oz

Commodity Production Costs:

Commodity202120202019201820172016
Cash costs PGM 11,135 / oz  
Cash costs Platinum 21,888 / oz  
All-in sustaining costs (AISC) 4E (Pt, Pd, Rh, Au)  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 804 / oz†  USD 793 / oz†  USD
All-in costs 4E (Pt, Pd, Rh, Au)  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 804 / oz†  USD 793 / oz†  USD
† Net of By-Product.
Subscription required - Subscription is required.

Operating Costs:

Units20162015
UG mining costs ($/t milled) ZAR 637693

Financials:

Units202120202019201820172016
Sustaining costs M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required 314   366  
Capital expenditures M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required 792   831   662  
Growth Capital M ZAR  ......  Subscription required 0.6  
Revenue M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required 11,373   10,221   9,307  
Pre-tax Income M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required
After-tax Income M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required 3,348   -643   2,050  
EBITDA M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required
Operating Cash Flow M ZAR 72  
Book Value M ZAR  ......  Subscription required
Subscription required - Subscription is required



Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jul 20, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 20, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 20, 2022
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required Subscription required 2021
Subscription required Subscription required Subscription required 2020
Subscription required Subscription required Subscription required 2019
Subscription required Subscription required 2018
Subscription required Subscription required 2017
Subscription required Subscription required 2016

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Form 20-F 2018
Integrated Report 2018
Year-end Mineral Reserves 2018
Annual Report 2017
Financial Review 2017
Year-end Mineral Reserves 2017
Annual Report 2016
Annual Report 2016
Financial Review 2016
Year-end Mineral Reserves 2016
Year-end Mineral Reserves 2016
Annual Report 2015
Annual Report 2015
Year-end Mineral Reserves 2015
Other 2014
Other 2000
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