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South Africa
Styldrift Mine

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 Location:
32 km NW from Rustenburg, South Africa

  Address:
The Pivot No 1 Monte Casino Boulevard Block C Floor 4
P O Box 2283 Fourways 2055
Fourways
South Africa
Phone  ...  Subscription required
Fax0862-109-421
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
  • PGM
  • Gold
  • Platinum
  • Palladium
  • Rhodium
Mining Method
  • Breast stoping with strike pillars
  • Bord-and-pillar
Production Start...
Mine Life40 years (as of Jan 1, 2021)


Owners

Source: p. 12-14
CompanyInterestOwnership
Government of South Africa 9.46 % Indirect
Northam Platinum Ltd. 34.68 % Indirect
Impala Platinum Holdings Ltd. 35.31 % 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).

Major shareholders of Royal Bafokeng Platinum Ltd. (RBPlat):
- Impala Platinum Holdings Limited (Implats) (35.31%);
- Northam Platinum Holdings Limited (Northam) (34.68%);
- the government-owned Public Investment Corporation (PIC) (9.46%);
- Royal Bafokeng Holdings (3.29%).

Contractors

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Deposit Type

  • Magmatic


Summary:

RBPlat is located on the Western Limb of the BIC, one of the three main portions or limbs which all comprise similarities in their formation, economic potential and type of commodity. The Bushveld Complex formed approximately 2.04 billion years ago, comprising three main suites, namely the Rooiberg Group, Lebowa Granite Suite and the Rustenburg Layered Suite. The Rustenburg Layered Suite comprises four main zones (the upper, main, critical and lower zones) with each zone characterized by signature igneous intrusive layering, known as stratigraphy. The critical zone hosts the platinum group element (PGE) bearing reef (the economically important layer) types of the Merensky reef and the Upper Group 2 reef (UG2). RBPlat’s operations mines Merensky and UG2 reefs.

The western extremity of the Maseve ore body subcrops 190m below surface. The northern boundry is the operational Wesizwe Platinum’s mining right area, and the remainder of the ore body borders RBPlat operations.

Proximity of the basement (and possibly its paleotopography) to the Merensky and UG2, by and large 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 rolling towards the west becomes narrower with steeper dips resulting in some of the stratigraphic units not developed. The ........


Mining Methods

  • Breast stoping with strike pillars
  • 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 by 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 and conventional scattered breast mining for the more undulating Terrace reef facies towards the western, shallower portions of the ore body. Although the Terrace reef facies is planned to be mined by hybrid mining methods, RBPlat continually re-evaluates the optimisation of the mining methods to achieve maximum, efficient long-term extraction.

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

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 is designed to allow for the possible future mining of the UG2 reef. 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 second egress and an air intake shaft.

The ore handling and ore breaking philosophy at Styldrift comprises the use of trackless mechanised vehicles and mechanical conveyance installations. Trackless mechanised vehicles include load haul dumpers (L ........


Crushing and Grinding


Processing

Source: Subscription required

Summary:

- subscription is required.


Production:

CommodityUnits2021202020192018201720162015
4E (Pt, Pd, Rh, Au) koz  ......  Subscription required  ......  Subscription required  ......  Subscription required10245296
Platinum koz  ......  Subscription required  ......  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:

Metrics202120202019201820172016
Ore tonnes mined  ......  Subscription required  ......  Subscription required1,600 kt1,127 kt561 kt410 kt
Tonnes milled  ......  Subscription required  ......  Subscription required1,625 kt1,121 kt572 kt414 kt
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Reserves at December 31, 2021:

CategoryTonnage CommodityGradeContained Metal
Proven 45.17 Mt 4E (Pt, Pd, Rh, Au) 4.57 g/t 6.63 M oz
Probable 15.92 Mt 4E (Pt, Pd, Rh, Au) 4.07 g/t 2.08 M oz
Proven & Probable 61.08 Mt 4E (Pt, Pd, Rh, Au) 4.44 g/t 8.72 M oz
Total Resource 258.48 Mt 4E (Pt, Pd, Rh, Au) 6.17 g/t 51.31 M oz

Commodity Production Costs:

CommodityUnits202120202019
Cash costs 4E (Pt, Pd, Rh, Au) ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required
Cash costs Platinum ZAR  ......  Subscription required
Subscription required - Subscription is required.

Operating Costs:

Units202120202019
Total operating costs ($/t milled) ZAR 1,6921,7701,632

Financials:

Units202120202019201820172016
Capital expenditures M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required 100   11  
Revenue M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required
Gross profit M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required -14.7   -8.4   -0.3  
Pre-tax Income M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required -35.6   -7.2   -7.7  
Operating Cash Flow M ZAR  ......  Subscription required  ......  Subscription required
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Pipelines
TypeMaterialDiameterLengthDescription


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Aug 25, 2022
....................... Subscription required ....................... Subscription required Subscription required Aug 25, 2022
....................... Subscription required ....................... Subscription required Subscription required Aug 25, 2022
....................... Subscription required ....................... Subscription required Subscription required Aug 25, 2022
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
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
................................... 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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