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South Africa
Kroondal Mine

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 Location:
10 km SE from Rustenburg, South Africa

  Regional Office:
Constantia Office Park Cnr 14th Avenue & Hendrik Potgieter Road
Johannesburg
South Africa
1709
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit & Underground
Commodities
  • PGM
  • Platinum
  • Palladium
  • Rhodium
  • Gold
  • Iridium
  • Ruthenium
  • Nickel
  • Copper
Mining Method
  • Truck & Shovel / Loader
  • Bord-and-pillar
Production Start...
Mine Life2037
The Kroondal operation is a shallow PGM mines with access from surface through numerous decline systems, inclusive of an open pit surface operation; Klipfontein.


Owners

Source: p. 59
CompanyInterestOwnership
Sibanye-Stillwater Ltd. (operator) 100 % Indirect
Ownership Tree
In 2021 agreements with Anglo American Platinum were concluded allowing Kroondal to mine into the Rustenburg (SRPM) mining right. During 2022, the Group reached an agreement with Anglo American Platinum to take full ownership of Kroondal.

Contractors

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Deposit Type

  • Magmatic


Summary:

Amplats’ Mineral Resources of Platinum Group Metals (PGM) occur exclusively within southern Africa and are hosted by two distinct layered intrusions: the Bushveld Complex in South Africa and the Great Dyke in Zimbabwe.

Formed over 2 billion years ago from multiple injections of magma into the earth’s crust many kilometres below the surface, the Bushveld Complex is geologically unique due to its size, uniformity of its layering and extent of known mineral content. This saucer-shaped intrusion is over 350km wide, 250km long and up to 12km thick. Over time, the rim of the intrusion has been exposed by erosion, revealing three separate main segments known as the Western, Eastern and Northern Limbs. The Western Limb is split into two lobes (north-western and south- western) by the Pilanesberg complex, a remnant of an alkaline volcanic plug intruded into the Bushveld Complex about 1,250 million years ago. The Eastern Limb is split into two lobes (north-eastern and south-eastern) by the north- east trending Steelpoort fault. The exposed segments exhibit layering of pyroxenites, norites, gabbros, anorthosites and chromitites and this layering occurs across the entire extent of the complex. Within the layers, mineralisation is found in specific horizons containing chromium, iron, titanium, vanadium, nickel, copper and PGM.

The Bushveld Complex comprises three main suites, namely the Rooiberg Group, Lebowa Granite Suite and Rustenburg Layered Suite. The Rustenbur ........


Mining Methods

  • Truck & Shovel / Loader
  • Bord-and-pillar


Summary:

The Kroondal operation is a shallow PGM mines with access from surface through numerous decline systems, inclusive of an open pit surface operation; Klipfontein.

Major infrastructure consists of:
• nine decline shafts, of which six are in production - mined on a bord-and-pillar system with mechanised equipment and the rest are on care and maintenance;
• two PGM concentrator plants treating the underground and open pit material;
• a dense media separation (DMS) plant processing all underground material prior to the concentrator;
• water treatment plants.

The equipment used for mining consists of various suites of mechanised drilling, loading and hauling equipment underground. The ore is hoisted to the surface via conveyor belt systems and trammed to the concentrators by rail and truck.

Mining method:
- Underground operations: Bord-and-pillar;
- Klipfontein open pit operation: Roll-over, truck and shovel.


Crushing and Grinding


Processing

Source: Subscription required

Summary:

- subscription is required.


Production:

CommodityUnits202120202019201820172016
4E (Pt, Pd, Rh, Au) koz  ......  Subscription required  ......  Subscription required  ......  Subscription required510482
PGM koz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Platinum koz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Palladium koz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Rhodium koz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Gold koz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Iridium koz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Ruthenium koz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Nickel kt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Copper M lbs  ......  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
Tonnes milled  ......  Subscription required  ......  Subscription required5,272 kt5,250 kt5,034 kt4,782 kt
Ore tonnes mined  ......  Subscription required  ......  Subscription required7,192 kt
Subscription required - Subscription is required.

Reserves at December 31, 2021:

CategoryOreTypeTonnage CommodityGradeContained Metal
Proven Total 20.8 Mt 4E (Pt, Pd, Rh, Au) 2.6 g/t 1.7 M oz
Proven & Probable Total 10.4 Mt 4E (Pt, Pd, Rh, Au) 2.6 g/t 1.7 M oz
Measured Total 55.6 Mt 4E (Pt, Pd, Rh, Au) 3.3 g/t 5.9 M oz
Indicated Total 9.6 Mt 4E (Pt, Pd, Rh, Au) 3.8 g/t 1.2 M oz
Measured & Indicated Total 65 Mt 4E (Pt, Pd, Rh, Au) 3.4 g/t 7.1 M oz
Inferred Total 5 Mt 4E (Pt, Pd, Rh, Au) 2.9 g/t 0.5 M oz

Commodity Production Costs:

CommodityUnits202120202019201820172016
Cash costs PGM USD  ......  Subscription required  ......  Subscription required 670 / oz   675 / oz   559 / oz  
Cash costs Platinum USD  ......  Subscription required 1,411 / oz   1,419 / oz   1,176 / oz  
All-in sustaining costs (AISC) 4E (Pt, Pd, Rh, Au) USD  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 744 / oz†   765 / oz†  
All-in sustaining costs (sold) PGM USD  ......  Subscription required†  ......  Subscription required† 730 / oz†   706 / oz†   630 / oz†  
All-in sustaining costs (sold) Platinum USD  ......  Subscription required† 495 / oz†   819 / oz†   806 / oz†  
All-in costs 4E (Pt, Pd, Rh, Au) USD  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 744 / oz†   765 / oz†  
† Net of By-Product.
Subscription required - Subscription is required.

Operating Costs:

Units2021202020192018201720162015
Total operating costs ($/t milled) ZAR 1,3451,3331,065979977928883

Financials:

Units20212020201920182017
Capital expenditures M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required 285.4   390.5  
Revenue M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required 7,417   6,095  
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 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 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
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Annual Report 2018
Annual Report 2018
Form 20-F 2018
Year-end Mineral Reserves 2018
Year-end Mineral Reserves 2018
Annual Report 2017
Year-end Mineral Reserves 2017
Annual Report 2016
Year-end Mineral Reserves 2016
Annual Report 2015
Annual Report 2015
Annual Report 2015
Annual Review 2015
Year-end Mineral Reserves 2015
Other 2014
Other 2007
Other 2000
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