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South Africa
Phoenix Mine

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 Location:
57 km SW from Kroonstadt, South Africa

  Regional Office:
Randfontein Office park Corner of Main Reef Road and Ward Avenue
P.O. Box 2
Randfontein
South Africa
1760
Phone  ...  Subscription required
Fax+27-11-692-3879
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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
Production Start...
Mine Life6 years (as of Jan 1, 2022)
The Phoenix project, or the Tswelopele Beneficiation Operation, is a low-cost, high profit-margin low-grade tailings reprocessing operation.


Owners

Source: p. 254
CompanyInterestOwnership
BEE 24 % Indirect
Harmony Gold Mining Company Ltd. 76 % Indirect
Phoenix is 100% owned by the black economic empowerment company, Tswelopele Beneficiation Operation Proprietary Limited, of which Harmony is a 76% shareholder.

Contractors

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Deposit Type

  • Tailings


Summary:

The Phoenix operation, located adjacent to Harmony’s current and historical operations in the Free State, involves the retreatment of tailings from tailings storage facilities in the region to extract any residual gold. Material contained in the TSFs originates from deep level gold mines, operated by Harmony and other mining companies. The mining operations predominantly extract narrow, tabular gold-bearing conglomerate reefs, namely the Basal, B, Elsburg (EA), Dreyerskruil and Beatrix Reefs. These reefs occur within the Archean Witwatersrand Basin which hosts the Witwatersrand Supergroup succession. The Basal Reef is located at the base of the Harmony Formation, within the Johannesburg Subgroup of the Central Rand Group (“CRG”). The B Reef is part of the Spec Bona Member at the base of the Aandenk Formation, within the Turffontein Subgroup of the CRG. The Beatrix Reef is part of the Earls Court Member of the Aandenk Formation, within the Turffontein Subgroup of the CRG. The Elsburg (EA) and Dreyerskruil Reefs occur within the Eldorado Formation of the Turffontein Subgroup, capping the CRG in the Free State Goldfield. The TSF material is the waste product of crushing, milling and gold extraction by carbon-in-leach (“CIL”) or CIP methods. As man-made deposits the TSFs are not the result of natural sedimentary processes. The grade of the TSFs is a function by the grade of the original reef sources, and the efficiency of the processing method at the time of treatment.


Mining Methods

  • Hydraulic mining


Summary:

Hydro-mining on two TSFs, Brand A and Dam 21, for the Phoenix operation and one TSF, FSS5 for the Central Plant retreatment project, is conducted under contract. Material is reclaimed using high-pressure water on the TSF, from where the material is pumped to the Saaiplaas plant in separate rubber-lined pipelines from Brand A and Dam 21, and to Central Plant from FSS5.

Two surface sources are currently being mined:
• The Brand A TSF has had some 65% of its material removed already. It has a grade of 0.28g/t Au at 40% to 45% recovery;
• The 21 TSF (which replaced the Harmony One TSF as a source from end-2011) has a grade of 0.27g/t Au at 40% to 45% recovery;
• All the material from the Harmony One TSF has been reprocessed with only the clean-up remaining.

The hydro-mining (monitoring) process uses 100mm and 150mm diameter high-pressure water monitors (cannons) to re-pulp the consolidated slimes to a relative density of around 1.4. The re-pulped slime flows under gravity to an in-dam finger screen where large trash is removed and then to the sump from where a transfer pump delivers it to one of two vibrating screens for secondary screening to remove oversize and smaller trash material. The screen underflow falls into the transfer sump. A separate pump station at each reclamation TSF pumps the reclaimed screened pulp via rubber lined pipelines to the plant.

The transfer pumping of slimes to Saaiplaas and Central plants is done by E ........


Crushing and Grinding


Processing

Source: Subscription required

Summary:

- subscription is required.


Production:

CommodityUnits2022202120202019201820172016
Gold oz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required23,69529,51525,849
All production numbers are expressed as metal in doré.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202220212020201920182017
Tonnes milled  ......  Subscription required  ......  Subscription required  ......  Subscription required6,133 kt5,962 kt6,729 kt
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Reserves at June 30, 2022:
Phoenix 2022 cut-off 0.16 g/t.

CategoryTonnage CommodityGradeContained Metal
Proven 36.5 Mt Gold 0.29 g/t 335 koz
Measured 58.4 Mt Gold 0.28 g/t 523 koz

Commodity Production Costs:

CommodityUnits2022202120202019201820172016
Cash costs Gold USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 1,071 / oz   907 / oz   854 / oz  
All-in sustaining costs (sold) Gold USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 1,080 / oz   926 / oz   866 / oz  
Subscription required - Subscription is required.

Operating Costs:

Units20172016
Processing costs ($/t milled) USD 43

Financials:

Units2022202120202019201820172016
Capital expenditures M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 3   5   5  
Revenue M  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 31  USD 38  USD 30  USD
Gross profit M  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 5  USD 10  USD 8  USD
Subscription required - Subscription is required



Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Nov 26, 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 Subscription required Subscription required 2017
Subscription required Subscription required Subscription required 2016
Subscription required Subscription required Subscription required 2015
Subscription required Subscription required Subscription required 2014

Corporate Filings & Presentations:

DocumentYear
Form 20-F 2022
Year-end Mineral Reserves 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... 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
Annual Report 2017
Form 20-F 2017
Other 2017
Year-end Mineral Reserves 2017
Year-end Mineral Reserves 2017
Year-end Mineral Reserves 2017
Form 20-F 2016
Integrated Report 2016
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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