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South Africa
Styldrift Mine (Bafokeng Rasimone (BRPM))

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 Location:
32 km NW from Rustenburg, South Africa

  Address:
2 Fricker Road, Illovo, 2196
Johannesburg
South Africa
2196
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeUnderground
Commodities
  • PGM
  • Gold
  • Platinum
  • Palladium
  • Rhodium
Mining Method
  • Bord-and-pillar
Production Start...
Mine Life2062
Styldrift is one of the biggest mechanized PGM mines in South Africa. It has an average mining depth of 680m and is currently only mining the Merensky reef.


Owners

Source: p. 8,28,33
CompanyInterestOwnership
Impala Platinum Holdings Ltd. 100 % Indirect
Royal Bafokeng Resources (Pty) Ltd. (operator) 100 % Direct
The mining rights are held in the name of Royal Bafokeng Resources Proprietary Limited (RBR), a wholly owned subsidiary of Royal Bafokeng Platinum Ltd. (RBPlat).

Royal Bafokeng Platinum Limited (RBPlat) has been acquired by Impala Platinum Holdings Limited (Implats) and was delisted from the JSE in mid-September 2023. It is now a wholly-owned subsidiary of Implats and is renamed Impala Bafokeng.

Contractors

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Deposit Type

  • Magmatic


Summary:

RBPlat is located on the Western Limb of the Bushveld Igneous Complex (BIC), the largest known host of PGMs, chromium and vanadium commodities in the world. The BIC formed approximately 2.04 billion years ago on the stable geological foundation made up of the Kaapvaal and Zimbabwe cratons in Southern Africa, together with other large mafic and ultramafic layered intrusions. The Bushveld Complex has been mined for several decades for its high-value ore and plays a key role in the South African economy. The BIC consists of three main geological units, namely the Rooiberg Group, Lebowa Granite Suite and the Rustenburg Layered Suite. The Rustenburg Layered Suite is host to a variety of sub-suites (upper, main, upper critical, lower critical, lower and marginal zones), which comprises igneous intrusive layering, known as stratigraphy, with each layer having distinct mineralogical and geochemical characteristics. The western extremity of the Maseve ore body subcrops 160mbs. The northern boundary is the operational Wesizwe Platinum’s mining right area, and the remainder of the ore body borders RBPlat’s operations. Proximity of the basement (and possibly its palaeotopography) to the Merensky and UG2 reefs influenced the geometry and succession of the local stratigraphy, which primarily resulted from local basement upliftment. Upliftment caused the folded or rolling nature of the stratigraphic geometries which are preserved as anticlines and synclines. The frequency of the rollin ........


Mining Methods

  • Bord-and-pillar


Summary:

Due to the nature of the Merensky reef ore body, the Styldrift I shaft is designed to optimally extract the reef using two different mining methods. These consist of bord and pillar mining by means of trackless mechanised equipment for the flat dipping, stable, wide mineralised areas. Conventional scattered breast mining is currently planned for the more undulating Terrace reef facies towards the western, shallower portions of the ore body.

However, hybrid mining and extra low profile (ELP) methods are under consideration for the Terrace reef facies as RBPlat continually re-evaluates the optimisation of the mining methods to achieve maximum, efficient long-term extraction. Primary development is scheduled to be mined during the next two years to establish an IMS ore reserve block to conduct the trial mining.

Styldrift I shaft is designed to hoist 230ktpm of reef and 20kt of waste at steady state production.

The underground working areas are accessed via a vertical twin shaft system, which comprises a main shaft and services shaft. The shaft system hoisting capacity infrastructure is designed to allow for the possible co- extraction of the UG2 reef in the future.

The main shaft, with a diameter 10.5m sunk to a depth of 758mbs, is used for person, material and rock hoisting. It also serves as an air-intake shaft. The services shaft, with a diameter of 6.5m, is sunk to a depth of 723mbs. The services shaft is used for services, a seco ........


Crushing and Grinding


Processing

Source: Subscription required

Summary:

- subscription is required.


Production:

CommodityUnits2022202120202019201820172016
4E (Pt, Pd, Rh, Au) koz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required1024529
Platinum koz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
All production numbers are expressed as metal in concentrate.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202220212020201920182017
Ore tonnes mined  ......  Subscription required  ......  Subscription required1,965 kt1,600 kt1,127 kt561 kt
Tonnes milled  ......  Subscription required  ......  Subscription required1,894 kt1,625 kt1,121 kt572 kt
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Reserves at December 31, 2022:

CategoryTonnage CommodityGradeContained Metal
Proven 45.59 Mt 4E (Pt, Pd, Rh, Au) 4.45 g/t 6.52 M oz
Probable 14.5 Mt 4E (Pt, Pd, Rh, Au) 3.97 g/t 1.85 M oz
Proven & Probable 60.1 Mt 4E (Pt, Pd, Rh, Au) 4.34 g/t 8.38 M oz
Measured & Indicated 212.63 Mt 4E (Pt, Pd, Rh, Au) 6.07 g/t 41.53 M oz
Inferred 44.1 Mt 4E (Pt, Pd, Rh, Au) 6.33 g/t 9.04 M oz
Total Resource 256.74 Mt 4E (Pt, Pd, Rh, Au) 6.12 g/t 50.57 M oz

Commodity Production Costs:

CommodityUnits2022202120202019
Cash costs 4E (Pt, Pd, Rh, Au) ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Cash costs Platinum ZAR  ......  Subscription required
Subscription required - Subscription is required.

Operating Costs:

Units2022202120202019
Total operating costs ($/t milled) ZAR 2,348  1,692  1,770  1,632  

Financials:

Units2022202120202019201820172016
Capital expenditures M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 100   11  
Revenue M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Gross profit M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required -14.7   -8.4   -0.3  
Pre-tax Income M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required -35.6   -7.2   -7.7  
Operating Cash Flow M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required


Pipelines
TypeMaterialDiameterLengthDescription


Heavy Mobile Equipment as of December 31, 2022:
HME TypeModel
Bolter ....................... Subscription required
Drill (long hole) ....................... Subscription required
Load-Haul-Dump (LHD) ....................... Subscription required
Truck (dump) ....................... Subscription required
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Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Aug 30, 2023
....................... Subscription required ....................... Subscription required Subscription required Sep 4, 2023
....................... Subscription required ....................... Subscription required Subscription required Aug 30, 2023
....................... Subscription required ....................... Subscription required Subscription required Aug 30, 2023
....................... Subscription required ....................... Subscription required Subscription required Aug 30, 2023
....................... Subscription required ....................... Subscription required Subscription required Aug 30, 2023
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required 2022
Subscription required 2021
Subscription required 2020
Subscription required Subscription required Subscription required 2019
Subscription required Subscription required Subscription required 2018
Subscription required Subscription required Subscription required 2017
Subscription required Subscription required Subscription required 2016
Subscription required Subscription required Subscription required 2015

Corporate Filings & Presentations:

DocumentYear
Annual Result 2022
Fact Sheet 2022
Integrated Report 2022
Year-end Mineral Reserves 2022
................................... 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
................................... Subscription required 2019
Annual Report 2018
Year-end Mineral Reserves 2018
Annual Report 2017
Year-end Mineral Reserves 2017
Annual Report 2016
Corporate Presentation 2016
Year-end Mineral Reserves 2016
Annual Report 2015
Year-end Mineral Reserves 2015
Other 2013
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