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South Africa
Rustenburg Operation

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 Location:
5 km E from Rustenburg, South Africa

  Regional Office:
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
  • Bord-and-pillar
  • Hydraulic mining
Processing
  • Gravity separation
  • Flotation
Mine Life2053
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.


Owners & OPERATOR

Source: p. 319
CompanyInterestOwnership
Sibanye-Stillwater Ltd. 74 % Indirect
Sibanye Rustenburg Platinum Mines Proprietary Ltd. (operator) 100 % Direct
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.

Deposit Type

  • Magmatic


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.

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
  • 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 2,105m below surface, and 29 Level (the lowest working level) at Thembelani 1 Shaft. The Mineral Resource at Bathopele is accessed from surface via two decline clusters using mechanised mining methods to a depth of approximately 500m below surface.

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.

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

  • Gravity separation
  • Flotation

Source: Subscription required

Summary:

The underground ore is treated at the Waterval UG2 and Waterval Retrofit concentrators, after which it is subject to a smelting and refining agreement with the Rustenburg section of Anglo American Platinum. The Waterval UG2 concentrator has an integrated chrome recovery circuit, which recovers a chrome concentrate from the UG2 ore.

Treatment of the ore, comprising crushing, ball milling, gravity concentration and flotation is carried out in two reduction plants, an older unit and a more modern mill erected in the last few years, while a third mill is now in course of construction to handle the increased output.

The ore is first crushed in a series of jaw crushers and fed to the primary and then the secondary ball mills which are in closed circuit with hydrocyclone classifiers. This is followed by gravity concentration on corduroy tables to separate the course particles of platinum-bearing minerals and the free metallic particles.

The tailings from the ........

Recoveries & Grades:

CommodityParameter201920182017
4E (Pt, Pd, Rh, Au) Recovery Rate, %  ......  Subscription required  ......  Subscription required  ......  Subscription required
4E (Pt, Pd, Rh, Au) Head Grade, g/t 2.592.522.72
Subscription required - Subscription is required.

Production:

CommodityProductUnits201920182017201620152014
4E (Pt, Pd, Rh, Au) Metal in concentrate koz  ......  Subscription required  ......  Subscription required810
PGM Metal koz  ......  Subscription required  ......  Subscription required  ......  Subscription required
Gold Metal koz  ......  Subscription required  ......  Subscription required  ......  Subscription required
Platinum Metal koz  ......  Subscription required  ......  Subscription required  ......  Subscription required
Palladium Metal koz  ......  Subscription required  ......  Subscription required  ......  Subscription required
Rhodium Metal koz  ......  Subscription required  ......  Subscription required  ......  Subscription required
Nickel Metal kt  ......  Subscription required  ......  Subscription required  ......  Subscription required
Copper Metal kt  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Operational Metrics:

Metrics201920182017201620152014
Tonnes milled  ......  Subscription required  ......  Subscription required  ......  Subscription required11,789 kt12,545 kt9,231 kt
Subscription required - Subscription is required.

Reserves at December 31, 2019:

CategoryOreTypeTonnage CommodityGradeContained Metal
Proven In-Situ (UG) 104.7 Mt 4E (Pt, Pd, Rh, Au) 3.8 g/t 12.779 M oz
Proven In-Situ (UG) 104.7 Mt 6E (Pt,Pd,Rh,Au,Ir,Ru) 4.5 g/t 15.077 M oz
Probable In-Situ (UG) 7.2 Mt 4E (Pt, Pd, Rh, Au) 4.2 g/t 7.594 M oz
Probable In-Situ (UG) 7.2 Mt 6E (Pt,Pd,Rh,Au,Ir,Ru) 5.1 g/t 9.174 M oz
Proven & Probable In-Situ (UG) 111.9 Mt 4E (Pt, Pd, Rh, Au) 3.8 g/t 13.75 M oz
Proven & Probable Tailings 69.4 Mt 4E (Pt, Pd, Rh, Au) 1.1 g/t 2.381 M oz
Proven & Probable In-Situ (UG) 111.9 Mt 6E (Pt,Pd,Rh,Au,Ir,Ru) 4.5 g/t 16.217 M oz
Proven & Probable Tailings 69.4 Mt 6E (Pt,Pd,Rh,Au,Ir,Ru) 1.2 g/t 2.666 M oz
Measured In-Situ (UG) 366.5 Mt 4E (Pt, Pd, Rh, Au) 4.9 g/t 57.555 M oz
Measured In-Situ (UG) 366.5 Mt 6E (Pt,Pd,Rh,Au,Ir,Ru) 5.7 g/t 67.035 M oz
Indicated In-Situ (UG) 118.3 Mt 4E (Pt, Pd, Rh, Au) 5.3 g/t 20.328 M oz
Indicated In-Situ (UG) 118.3 Mt 6E (Pt,Pd,Rh,Au,Ir,Ru) 6.1 g/t 23.227 M oz
Inferred In-Situ (UG) 14.9 Mt 4E (Pt, Pd, Rh, Au) 5.6 g/t 2.676 M oz
Inferred In-Situ (UG) 14.9 Mt 6E (Pt,Pd,Rh,Au,Ir,Ru) 5.9 g/t 2.846 M oz
Total Resource In-Situ (UG) 499.8 Mt 4E (Pt, Pd, Rh, Au) 5 g/t 80.56 M oz
Total Resource Tailings 69.4 Mt 4E (Pt, Pd, Rh, Au) 1.1 g/t 2.381 M oz
Total Resource In-Situ (UG) 499.8 Mt 6E (Pt,Pd,Rh,Au,Ir,Ru) 5.8 g/t 93.108 M oz
Total Resource Tailings 69.4 Mt 6E (Pt,Pd,Rh,Au,Ir,Ru) 1.2 g/t 2.666 M oz

Commodity Production Costs:

CommodityUnits201920182017201620152014
Cash costs PGM ZAR 11,135 / oz 10,210 / oz 12,408 / oz
Cash costs Platinum ZAR 21,888 / oz 20,717 / oz 25,768 / oz
All-in sustaining costs (AISC) 4E (Pt, Pd, Rh, Au) USD  ......  Subscription required†  ......  Subscription required† 793 / oz†
All-in costs 4E (Pt, Pd, Rh, Au) USD  ......  Subscription required†  ......  Subscription required† 793 / oz†
† Net of By-Product.
Subscription required - Subscription is required.

Operating Costs:

Units201620152014
UG mining costs ($/t milled) ZAR 637693709

Financials:

Units201920182017201620152014
Sustaining costs M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required
Capital expenditures M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 400   543  
Revenue M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 10,957   8,861  
After-tax Income M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
EBIT M ZAR  ......  Subscription required -547   -1,425  
EBITDA M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 563   -155  
Operating Cash Flow M ZAR  ......  Subscription required 192   630  
Subscription required - Subscription is required


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jul 30, 2020
....................... Subscription required ....................... Subscription required Subscription required Jul 30, 2020
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
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 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2018
................................... Subscription required 2018
................................... Subscription required 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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Aerial view:

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