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South Africa
Zondereinde Mine

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 Location:
100 km NW from Pretoria, South Africa

  Regional Office:
Building 4, 1st Floor Maxwell Office Park Magwa Crescent West Waterfall City Jukskei View
PO Box 412694 Craighall 2024
Johannesburg
South Africa
2090
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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
  • Platinum
  • Palladium
  • Rhodium
  • Gold
  • Ruthenium
  • Iridium
Mining Method
  • Breast mining
Production Start...
Mine Life30 years (as of Jan 1, 2022)


Owners

Source: p. 8
CompanyInterestOwnership
Northam Platinum Ltd. 100 % Direct

Contractors

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Deposit Type

  • Magmatic


Summary:

The Bushveld stratigraphic sequence at Zondereinde is typical of the northern portion of the western limb. The Critical Zone stratigraphy is compressed and dominated by mafic lithologies, with the vertical separation between the Merensky and UG2 Reefs ranging between 20 m and 40 m. Both reefs dip at 20° towards the south-east and extend from a depth of 1 100 m to 3 000 m below surface.

While there is lateral continuity of both reefs across the mine property, the Merensky Reef displays a variety of reef sub-types. The distribution of these is determined from a combination of surface exploration boreholes, ongoing prospect drilling from underground development and on-reef mapping in mine excavations.

Merensky Reef
The Merensky Reef is a zone of mineralisation that straddles the base of the Merensky cyclic unit. In the area of Zondereinde mine, the Merensky Reef consists of two sub-facies of the Zwartklip facies, namely the Normal and Regional Pothole sub-facies. The latter may be further subdivided into three sub-types, each of which occurs at a specific stratigraphic level below that of the Normal sub-facies. Sub-types include NP2 and P2, which constitute the main sources of ore, and FWP2 which, whilst not historically considered a primary mining target due to its undulating morphology in the central portions of the mine, is now successfully exploited in the western portion of the current mining area where it displays lesser disruption. This trend is ........


Mining Methods

  • Breast mining


Summary:

Mining of the narrow tabular orebodies in the intermediate to deep level mining environment is successfully conducted using a conventional mining method. The mining layout is a breast configuration on both the Merensky and UG2 Reefs. The Merensky Reef excavation is backfilled, which has, historically, then been followed by the extraction of UG2 Reef in a destressed mining zone. UG2 operations are migrating to areas where there has been no previous Merensky mining. In these areas, support regimes and layouts similar to those employed on the Merensky Reef are adopted.

The underground workings are accessed from a twin vertical shaft system. The Number 1 Shaft extends below 13 level (2 102 m below surface) and Number 2 Shaft serves workings down to 8 level (1 724 m below surface). The shafts have a lateral separation of 90 m and are interconnected at an intermediate pump chamber (IPC) at 1 019 m below surface, as well as on mining levels 2, 4, 6, 7, 8 and 9. Workings below 13 Level are serviced by decline access ways, designed to accommodate both people and materials, and equipped with a conveyor belt system that transports the ore and waste rock. The relatively narrow vertical separation between the two reef horizons allows for both of these to be accessed via the same primary tunnel development.

The vertical interval between levels is 63 m. With the ore body dipping at 20°, this provides a raise back length of 180 m and allows for six stoping panels of 30 ........


Crushing and Grinding
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Processing

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Summary:

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Production:

CommodityProductUnits2022202120202019201820172016
Platinum Metal in concentrate oz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required181,624
Palladium Metal in concentrate oz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Rhodium Metal in concentrate oz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Gold Metal in concentrate oz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Ruthenium Metal in concentrate oz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Iridium Metal in concentrate oz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
4E (Pt, Pd, Rh, Au) Metal in concentrate oz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
6E (Pt,Pd,Rh,Au,Ir,Ru) Metal in concentrate oz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Chrome Concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Operational Metrics:

Metrics202220212020201920182017
Ore tonnes mined  ......  Subscription required  ......  Subscription required  ......  Subscription required2,455,614 t2,274 kt2,150 kt
Tonnes milled  ......  Subscription required  ......  Subscription required  ......  Subscription required2,023,828 t1,932,804 t1,962,517 t
Subscription required - Subscription is required.

Reserves at June 30, 2022:

CategoryTonnage CommodityGradeContained Metal
Proven 8.4 Mt 4E (Pt, Pd, Rh, Au) 4.84 g/t 1.31 M oz
Probable 87.93 Mt 4E (Pt, Pd, Rh, Au) 4.74 g/t 13.4 M oz
Proven & Probable 96.32 Mt 4E (Pt, Pd, Rh, Au) 4.75 g/t 14.71 M oz
Measured 12.26 Mt 4E (Pt, Pd, Rh, Au) 5.65 g/t 2.23 M oz
Indicated 91.74 Mt 4E (Pt, Pd, Rh, Au) 5.69 g/t 16.79 M oz
Inferred 300.96 Mt 4E (Pt, Pd, Rh, Au) 6.26 g/t 60.59 M oz
Total Resource 404.96 Mt 4E (Pt, Pd, Rh, Au) 6.11 g/t 79.61 M oz

Commodity Production Costs:

CommodityUnits202220212020201920182017
Cash costs 6E (Pt,Pd,Rh,Au,Ir,Ru) ZAR  ......  Subscription required†  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 11,521 / oz†  
Cash costs 4E (Pt, Pd, Rh, Au) ZAR  ......  Subscription required†  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 13,425 / oz†  
Cash costs Platinum ZAR  ......  Subscription required†  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 22,101 / oz†   20,890 / oz†  
† Net of By-Product.
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Operating Costs:

Units20222021202020192018
Direct operating costs ($/t milled) ZAR 2,9022,4582,6292,0151,867

Financials:

Units2022202120202019201820172016
Sustaining costs M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 249.5  
Capital expenditures M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 1,530   806.4   660.9  
Revenue M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 7,143   6,395   5,966  
Operating Income M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 355.4   232.5   248.1  
Pre-tax Income M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 229.2   257.1   446  
After-tax Income M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 142.6   184   283.4  
EBITDA M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 527.9  
Subscription required - Subscription is required



Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Aug 29, 2022
....................... Subscription required ....................... Subscription required Subscription required Aug 29, 2022
....................... Subscription required ....................... Subscription required Subscription required Aug 29, 2022
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required Subscription required 2022
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 2017
Subscription required 2016
Subscription required 2015

Corporate Filings & Presentations:

DocumentYear
Annual Report 2022
Financial Review 2022
Year-end Mineral Reserves 2022
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Annual Report 2017
Annual Report 2016
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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