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South Africa
Beatrix Mine

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 Location:
29 km S from Welkom, South Africa

  Address:
Farm Leeuwdult,
52 Theunissen Road
Theunissen
South Africa
9410
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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
  • Gold
  • Uranium
Mining Method
  • Breast mining
  • Pillar extraction
Processing
  • Gravity separation
  • ACACIA reactor
  • Centrifugal concentrator
  • Shaker table
  • Concentrate leach
  • Agitated tank (VAT) leaching
  • Carbon in leach (CIL)
  • Carbon in pulp (CIP)
  • Solvent Extraction & Electrowinning
  • Cyanide (reagent)
Mine Life5 years (as of Jan 1, 2020)
A preliminary FS of the Bloemhoek decline project was completed during 2019, which demonstrates the economic potential for extraction of the orebody below the current 3 Shaft infrastructure, to the north of 3 Shaft, into the SOFS mining right area. Capital has been included in the 2021 budget to increase the confidence of this study to a definitive FS. The inclusion of this area would also allow for the mining of the lower grade Vlakpan area to the west of 3 Shaft and possibly extend the LoM for the whole Beatrix operation to 2031.

After careful consideration of accident and injury trends, a decision has been made to suspend operations at the Beatrix 3 shaft at the SA gold operations for the rest of 2021 year.


Owners

Source: p. 7
CompanyInterestOwnership
Sibanye-Stillwater Ltd. 100 % Indirect
Ownership Tree

Deposit Type

  • Conglomerate hosted


Summary:

Beatrix is a deep level underground gold mine located along the northern and southwestern margins of the Witwatersrand Basin in South Africa. This mine is typical of the many Witwatersrand Basin operations, which have been the primary contributors to South Africa’s production of a significant portion of the world’s recorded gold output since 1886.

The orebodies at Beatrix are laterally continuous with relatively long-range predictability. This lends to clear patterns of mineralisation governed by sedimentary characteristics.

The Beatrix Reef (BR) was originally exploited as the main orebody, but has since changed, with the main production coming from the VS5 (Elsburg Formation), the Aandenk (AAR) and Kalkoenkrans (KKR) Composite Reefs.

In general, the Composite VS5/AAR Reefs ranges between 130cm and 350cm in width. The orebody is shallow dipping at 10º – 15º, with typical open fold structures. In most cases the reefs are deemed to be bottom loaded, with most of the gold grade concentrated along the basal contact.


Mining Methods

  • Breast mining
  • Pillar extraction


Summary:

Beatrix has three vertical shaft complexes (one sub-shaft) and two mineral processing plants. Supporting infrastructure to service the operating shaft sections is also in place:
• South Section (1 Shaft) – operational
• North Section (3 Shaft) – operational
• West Section (4 Shaft) – operational

Mining method:
• Conventional breast mining (virgin areas) – 99%
• Conventional breast mining (remnants and pillar extraction) – 1%

Beatrix is principally an underground mine with nominal surface reserves represented by surface rock dumps (SRDs) accumulated during the operating history of the mine.

Gold mining began at Beatrix in 1985 and at Oryx (Beatrix 4 Shaft, also known as West Section) in 1993.The existing scope of operations is the result of the consolidation of the adjacent Beatrix and Oryx mines on 1 July 2002. Beatrix has three operating shaft systems with two ventilation shafts to provide additional upcast and downcast ventilation capacity.

Beatrix, a shallow to intermediate-depth operation, mining at depths of between 700m and 2,200m below surface, exploits the Beatrix Reef at shafts 1 and 3, and the Kalkoenkrans Reef at 4 Shaft.


Crushing and Grinding


Processing

  • Gravity separation
  • ACACIA reactor
  • Centrifugal concentrator
  • Shaker table
  • Concentrate leach
  • Agitated tank (VAT) leaching
  • Carbon in leach (CIL)
  • Carbon in pulp (CIP)
  • Solvent Extraction & Electrowinning
  • Cyanide (reagent)

Source: Subscription required

Summary:

Beatrix is serviced by two metallurgical plants. Processing occurs by way of carbon in leach (CIL) and carbon in pulp (CIP) treatment at the No 1 and 2 plants respectively:
- Beatrix 1 plant – operational, 240 tpd design capacity;
- Beatrix 2 plant – under care and maintenance, 130 tpd design capacity.


Production:
From 17 April 2020, management commenced implementing its strategy to mobilise the required employee complement to safely ramp up production at our South African operations to the initial restricted 50%. At 30 June 2020 the SA Gold and SA PGM operations were at a production capacity of 86% and 73%, respectively.

CommodityUnits2020201920182017201620152014
Gold koz  ......  Subscription required  ......  Subscription required275292323325333
All production numbers are expressed as metal in doré.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202020192018201720162015
Tonnes milled  ......  Subscription required2,489 kt2,952 kt3,515 kt4,333 kt4,319 kt
Subscription required - Subscription is required.

Reserves at December 31, 2020:
Mineral Reserve cut-off is 420 cm.g/t Au.

CategoryOreTypeTonnage CommodityGradeContained 
Commodity
Proven In-Situ (UG) 7.6 Mt Gold 3.9 g/t 0.949 M oz
Probable Stockpiles 0.4 Mt Gold 0.2 g/t 0.003 M oz
Probable In-Situ (UG) 2.8 Mt Gold 3.2 g/t 0.28 M oz
Proven & Probable Total 10.7 Mt Gold 3.6 g/t 1.233 M oz
Measured In-Situ (UG) 24.8 Mt Gold 6.7 g/t 5.325 M oz
Measured In-Situ (UG) 3.6 Mt Uranium (U3O8) 1100 g/t 8.6 M lbs
Indicated Stockpiles 0.4 Mt Gold 0.2 g/t 0.003 M oz
Indicated In-Situ (UG) 28.3 Mt Gold 5.5 g/t 5.02 M oz
Indicated In-Situ (UG) 7.8 Mt Uranium (U3O8) 1100 g/t 18.3 M lbs
Inferred In-Situ (UG) 4.8 Mt Gold 4.4 g/t 0.676 M oz
Inferred In-Situ (UG) Mt Uranium (U3O8) 1100 g/t 0.1 M lbs
Total Resource Stockpiles 0.4 Mt Gold 0.2 g/t 0.003 M oz
Total Resource In-Situ (UG) 57.9 Mt Gold 5.9 g/t 11.02 M oz
Total Resource Total 58.3 Mt Gold 5.9 g/t 11.023 M oz
Total Resource In-Situ (UG) 11.4 Mt Uranium (U3O8) 1100 g/t 27 M lbs

Commodity Production Costs:

CommodityUnits202020192018201720162015
Total cash costs (sold) Gold USD 1,017 / oz 809 / oz 831 / oz
All-in sustaining costs (sold) Gold USD  ......  Subscription required†  ......  Subscription required† 1,226 / oz† 1,175 / oz† 960 / oz† 996 / oz†
All-in costs Gold USD  ......  Subscription required†  ......  Subscription required† 1,226 / oz† 1,176 / oz† 961 / oz† 996 / oz†
† Net of By-Product.
Subscription required - Subscription is required.

Operating Costs:

Units201720162015
Total operating costs ($/t milled) ZAR 1,124866785

Financials:

Units202020192018201720162015
Sustaining costs M ZAR  ......  Subscription required  ......  Subscription required83   63.1   84.8   86.1  
Capital expenditures M ZAR  ......  Subscription required  ......  Subscription required481   545.6   628.4   596.5  
Revenue M ZAR  ......  Subscription required  ......  Subscription required4,601   4,876   5,884   4,816  
Gross profit M ZAR 923   2,131   1,425  
Operating Income M ZAR 1,313   685.1  
After-tax Income M ZAR  ......  Subscription required  ......  Subscription required-185.5   -419.1   760   355.9  
Subscription required - Subscription is required


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jun 7, 2021
....................... Subscription required ....................... Subscription required Subscription required Jun 7, 2021
....................... Subscription required ....................... Subscription required Subscription required Jun 7, 2021
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
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
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Form 20-F 2018
Integrated Report 2018
Year-end Mineral Reserves 2018
Form 20-F 2017
Year-end Mineral Reserves 2017
Financial Review 2016
Form 20-F 2016
Year-end Mineral Reserves 2016
Form 20-F 2015
Year-end Mineral Reserves 2015
Technical Report 2011
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Aerial view:

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