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South Africa
Kopanang Mine

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 Location:
15 km SE from Klerksdorp, South Africa

  Address:
West Gold Plant Off Shaft Road
Orkney
South Africa
2619
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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
  • Silver
Mining Method
  • Scattered stoping
Production Start...
Mine Life2025


Owners

Source: p. 139
CompanyInterestOwnership
Heaven-Sent SA Sunshine Investment Company Ltd. 74 % Indirect
VMR Group (operator) 74 % Direct
The shareholding of Kopanang Operations is as follows:
- 74% is held by VMR Group;
- 26% is held by a special purpose vehicle established for the purpose of giving effect
to the empowerment transaction (named K2018589229 (South Africa) Pty Ltd. (Landmark Resources (Pty) Ltd – 6%, Ronald Raisaka Masebelanga – 6%, James Anthony Nieuwenhuys – 6%, an employee share ownership trust – 8%).

Contractors

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Deposit Type

  • Paleoplacer
  • Sedimentary


Summary:

The VR is the primary economic horizon at Kopanang and the Crystalkop Reef (C Reef) is the secondary economic horizon, which contributes less than 2% of the total mining volume. Both reefs are narrow tabular deposits forming part of the Witwatersrand Supergroup and are stratigraphically located near the middle of the Central Rand Group. The VR lies approximately 255 m below the C Reef.

The major fault systems affecting Kopanang are the oldest north-westerly dipping Zuiping faults, and the younger Shaft and Jersey fault systems, which dip to the south east. The primary economic horizon at Tau Lekoa, Jonkerskraal and Weltevreden is the VCR. The VCR dips between 20° and 30° at Tau Lekoa, whereas the dip at Jonkerskraal is steeper (>30°) and gentler at Weltevreden (average of 15°).

The VCR in this locality is structurally complex due to disruption by a number of dykes and faults. The major faults of post-Ventersdorp age present tend to be normal, trending NNE-SSW direction and these include the Schoonspruit and Nooitgedacht faults, both of which have displacements of over 100 m. Two dextral faults with lateral movement (wrenching) in the order of 675 m and 170 m have been mapped on Tau Lekoa and projected into the adjacent project areas. There are also a number of intrusives present, which vary in age from pre-Ventersdorp through to Karoo in age.

The Witwatersrand gold deposits are of the “Quartz Pebble Conglomerate Au-U type”. These are also refe ........


Mining Methods

  • Scattered stoping


Summary:

Kopanang is a deep level mature gold mine and the planned production rate of 66 ktpm is significantly lower than the installed capacity of the infrastructure. Two gold-bearing horizons, viz. VR and C Reef, are accessed through a single shaft system which descends to a maximum depth of 2 334 m, while the main working levels are situated between 1 300 m and 2 064 mbs. The Kopanang ore body is geologically complex and scattered mining methods are employed. Access to the orebody is mainly by footwall haulages.

The Kopanang Mine has a well-established underground infrastructure. Its underground ore transportation system includes a rail track system and features a unique “Big Mamma” underground locomotive, which is designed to transport high volumes of broken ore to the shaft at the depth of 2,334 meters. The Kopanang Mine is accessible by a single shaft that is 10.6 meters in diameter, which is one of the largest in the South African gold mining industry. The shaft has a rock hoisting capacity of 260,000 tons per month and is divided into separate compartments for men and material and rock hoisting.

The broken ore is hoisted in a conveyance to surface by the winder, and transported from shafts to silos by conveying belts for stockpiling. The ores in silos are then transported to West Gold Plant by trains operated by a third party.


Crushing and Grinding
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Processing

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Summary:

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Production:

CommodityUnits2020201920182017201620152014
Gold koz  ......  Subscription required  ......  Subscription required719191117140
Silver koz  ......  Subscription required  ......  Subscription required
All production numbers are expressed as metal in doré.
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Operational Metrics:

Metrics20182017201620152014
Ore tonnes mined 537 kt610 kt556 kt
Tonnes processed 528 kt0.6 Mt0.6 Mt0.7 Mt0.8 Mt

Reserves at June 30, 2019:
Kopanang Mineral Resources are reported above a gold cut-off grade of 500 cm.g/t Au.
Kopanang Mineral Reserves are at 650 cm.g/t Au.

CategoryTonnage CommodityGradeContained Metal
Proven 1.84 Mt Gold 4.82 g/t 0.28 M oz
Probable 2.99 Mt Gold 5 g/t 0.48 M oz
Proven & Probable 4.82 Mt Gold 4.93 g/t 0.76 M oz
Measured 3.7 Mt Gold 12.22 g/t 1.45 M oz
Indicated 6.84 Mt Gold 11.41 g/t 2.51 M oz
Measured & Indicated 10.53 Mt Gold 11.7 g/t 3.96 M oz
Inferred 1.46 Mt Gold 17.3 g/t 0.81 M oz
Total Resource 11.99 Mt Gold 12.38 g/t 4.78 M oz

Commodity Production Costs:

CommodityUnits2018201720162015
Total cash costs Gold USD 1,570 / oz   1,534 / oz   1,324 / oz   1,014 / oz  
All-in sustaining costs (AISC) Gold USD 1,721 / oz  
All-in sustaining costs (sold) Gold USD 1,593 / oz   1,555 / oz   1,226 / oz  

Operating Costs:

Units2018201720162015
Total operating costs ($/t milled) ZAR 2,5853,0303,1122,379

Financials:

Units201820172016
Capital expenditures M USD 8   16  
Revenue M USD 76.1   119.9   120.6  
Gross profit M USD -14.2   -20.9   -24.7  
Pre-tax Income M USD -25.6   -29.8  
After-tax Income M USD -25.6   -29.8  



Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Aug 15, 2022
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Staff:

EmployeesTotal WorkforceYear
Subscription required 2018
Subscription required 2017
Subscription required 2016
Subscription required 2015
Subscription required 2014
Subscription required 2013

Corporate Filings & Presentations:

DocumentYear
Other 2022
................................... Subscription required 2020
................................... Subscription required 2019
Annual Report 2017
Year-end Mineral Reserves 2017
Annual Report 2016
Year-end Mineral Reserves 2016
Year-end Mineral Reserves 2015
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