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South Africa
Evander TRP Mine (Evander Operation)

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 Location:
37 km W from Bethal, South Africa

  Address:
Farm Winkelhaak, Rotterdam Road
Private Bag X1012
Evander
South Africa
2280
Phone  ...  Subscription required
Fax+27-17-632-4046
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeTailings
Commodities
  • Gold
Mining Method
  • Hydraulic mining
Processing
  • Centrifugal concentrator
  • Gravity separation
  • Carbon re-activation kiln
  • Agitated tank (VAT) leaching
  • Carbon in leach (CIL)
  • Carbon in pulp (CIP)
  • Elution
  • Carbon adsorption-desorption-recovery (ADR)
  • Solvent Extraction & Electrowinning
  • Cyanide (reagent)
Mine Life12 years (as of Jan 1, 2021)
The combined Elikhulu and Evander Tailings Retreatment Plant (ETRP) operation, now termed Elikhulu.


Owners

Source:
CompanyInterestOwnership
BEE 22.11 % Indirect
Pan African Resources plc 77.89 % Indirect

Deposit Type

  • Tailings


Summary:

Deposition material of historically treated metallurgical tailings from the Kinross Mines.


Mining Methods

  • Hydraulic mining


Summary:

Elikhulu and Evander Tailings Retreatment Plant (ETRP) operation, now termed Elikhulu. During December 2018, the ETRP circuit was incorporated into Elikhulu to ensure more efficient recoveries of gold from the tailings being processed for the next 13 years and also to reduce unit costs of production going forward.

Retreats gold plant tailings at a rate of 1.2 million tonnes per month (including the combined throughput of ETRP).

Combined hydraulic mining will produce 1.16 Mtpm (0.2 Mtpm to ETRP and 0.96 Mtpm to Elikhulu together with the 0.04 Mtpm of RoM tailings, Elikhulu total throughput is 1 Mtpm).


Crushing and Grinding


Processing

  • Centrifugal concentrator
  • Gravity separation
  • Carbon re-activation kiln
  • Agitated tank (VAT) leaching
  • Carbon in leach (CIL)
  • Carbon in pulp (CIP)
  • Elution
  • Carbon adsorption-desorption-recovery (ADR)
  • Solvent Extraction & Electrowinning
  • Cyanide (reagent)

Source: Subscription required

Summary:

The Evander Gold Plant treats ore from Evander No. 8 Shaft and old tailings etc.

There are six SAG mills operating in closed circuit with a hydro cyclone. A portion of the cyclone underflow is directed to Knelson centrifugal concentrators for the recovery of free gold. There is one Knelson concentrator for every two milling units. The milled product is nominally 80% passing 75 microns. The mill section is noncyanide exposed as it utilises non contaminated underground water for dilution and gland service water.

The cyclone overflow is directed, via linear screens, to five thickeners (of which two are utilised for the current throughput). The thickened pulp is transferred to the leach, CIP/CIL, circuit via a surge tank into which liquid sodium cyanide is added. The leach configuration is based on one surge tank, two leach tanks, four CIL tanks and seven leach tanks. Eight of the fourteen flat bottomed tanks are air agitated and six are mechanically agitated. Oxygen ........

Recoveries & Grades:

CommodityParameter2021202020192018201720162015
Gold Recovery Rate, %  ......  Subscription required  ......  Subscription required  ......  Subscription required39414654
Gold Head Grade, g/t  ......  Subscription required  ......  Subscription required  ......  Subscription required0.50.60.30.3

Production:

CommodityUnits2021202020192018201720162015
Gold oz  ......  Subscription required  ......  Subscription required  ......  Subscription required21,25029,47318,1516,523
All production numbers are expressed as metal in doré.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202120202019201820172016
Tonnes processed  ......  Subscription required  ......  Subscription required1,072,033 t2,182,358 t2,321,723 t1,841,986 t
Annual mining capacity  ......  Subscription required  ......  Subscription required2.4 Mt2.4 Mt2.4 Mt
Annual production capacity  ......  Subscription required  ......  Subscription required30 koz of gold metal in doré30 koz of gold metal in doré20 koz of gold metal in doré
Subscription required - Subscription is required.

Reserves at June 30, 2018:

CategoryTonnage CommodityGradeContained Metal
Proven & Probable 36 Mt Gold 0.29 g/t 0.3 M oz
Total Resource 36 Mt Gold 0.29 g/t 0.3 M oz

Commodity Production Costs:

CommodityUnits2021202020192018201720162015
Cash costs (sold) Gold USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 738 / oz 554 / oz 587 / oz 688 / oz
All-in sustaining costs (AISC) Gold USD  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 740 / oz† 554 / oz† 591 / oz† 688 / oz†
All-in costs Gold USD  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 740 / oz† 554 / oz† 591 / oz† 1,899 / oz†
† Net of By-Product.
Subscription required - Subscription is required.

Operating Costs:

Units20192018201720162015
Total operating costs ($/t milled) ZAR 7792968484

Financials:

Units2021202020192018201720162015
Capital expenditures M ZAR  ......  Subscription required  ......  Subscription required 95.1  
Revenue M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required367.4   491.3   305.7   87.4  
EBITDA M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required150.6   276.4   153.3   15  
Subscription required - Subscription is required


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Oct 25, 2021
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
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 2020
................................... Subscription required 2019
Annual Report 2018
Year-end Mineral Reserves 2018
Annual Report 2017
Annual Report 2016
Corporate Presentation 2016
Other 2016
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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