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Chile
Collahuasi Mine

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 Location:
174 km SE from Iquique, Chile

  Regional Office:
Avenida Baquedano 902
Iquique
Chile
Phone  ...  Subscription required
Fax+56 2 2362 6491
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Copper
  • Molybdenum
  • Silver
  • Gold
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life2107
Collahuasi has consistently ranked within the top 4 copper mines by production globally over the past decade.


Owners

Source:
CompanyInterestOwnership
Mitsui & Co., Ltd. 12 % Indirect
Glencore plc. 44 % Indirect
Anglo American plc. 44 % Indirect
Compania Minera Dona Ines de Collahuasi SCM (operator) 100 % Direct
The mine is operated by a joint venture company, Compania Minera Dona Ines de Collahuasi SCM. The joint venture partners are Glencore (44 per cent.), Anglo American (44 per cent.), and Japan Collahuasi Resources (JCR) is a consortium of Japanese companies led by Mitsui & Co., Ltd. (12 per cent.).

Contractors

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Deposit Type

  • Porphyry
  • Vein / narrow vein


Summary:

Collahuasi comprises two large copper-molybdenum porphyry-type deposits (Rosario and Ujina) with several peripheral vein deposits (Rosario Oeste and Rosario Sur). The Rosario deposit is the focus of current open cut mining operations.

Mineralisation at Rosario and Ujina is mainly associated with veins, especially in Rosario. These major Cu-Ag-As veins include the NNE trending Montezuma and La Grande vein systems and the NW-trending Rosario and Poderosa vein systems (Masterman, et al,. 2005). The two deposits show typical profile of a secondary enrichment process: a leach cap, a copper oxides zone, a secondary enrichment blanket and a primary sulphide core. To the west of Rosario is located Capella, which is an exotic copper deposit with copper oxides associated to gravels, probably derived from the Rosario porphyry.

The Rosario deposit is characterized by a dome-shaped zone of copper mineralization centred on the Rosario and Collahuasi porphyries. The centre of the mineralised zone contains bornite, chalcopyrite, and primary chalcocite and generally lacks pyrite. Copper mineralization occurs as both disseminations and fracture- controlled veinlets. The deposit contains a thin, erratically developed secondary enrichment blanket underlain by a relatively high-grade primary chalcopyrite zone. The lack of a well-developed secondary enrichment blanket is due to both presence of structures and level of oxidization. In addition, the secondary zone is offset a ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

The mining method applied since the beginning of the operation, which will not change for the LOM, it is conventional truck and shovel open pit mining.


Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Production:

CommodityProductUnits2022202120202019201820172016
Copper Metal in concentrate t  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required559,100523,900501,800
Silver Metal in concentrate koz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Gold Metal in concentrate koz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Copper Cathode t 1004,800
Subscription required - Subscription is required.

Operational Metrics:

Metrics202220212020201920182017
Ore tonnes mined  ......  Subscription required  ......  Subscription required71,959,200 t87,253,200 t51,886,400 t64,733,500 t
Tonnes processed  ......  Subscription required  ......  Subscription required55,831,600 t54,133,100 t49,470,500 t49,886,800 t
Total tonnes mined  ......  Subscription required  ......  Subscription required264 Mt
Subscription required - Subscription is required.

Reserves at December 31, 2022:
Ore Reserves and Mineral Resources cut-off grades – 0.3%TCu

CategoryOreTypeTonnage CommodityGradeContained Metal
Proven & Probable Stockpiles 360.7 Mt Copper 0.57 % 2,056 kt
Proven & Probable Sulphide 2,633 Mt Copper 0.97 % 25,444 kt
Proven & Probable Low-grade sulphide 1,167 Mt Copper 0.46 % 5,406 kt
Proven & Probable Stockpiles 360.7 Mt Molybdenum 0.013 % 47 kt
Proven & Probable Sulphide 2,633 Mt Molybdenum 0.028 % 725 kt
Proven & Probable Low-grade sulphide 1,167 Mt Molybdenum 0.01 % 122 kt
Measured & Indicated Sulphide 931.7 Mt Copper 0.91 % 8,517 kt
Measured & Indicated Oxide & Mixed 71.7 Mt Copper 0.71 % 506 kt
Measured & Indicated Low-grade sulphide 360.4 Mt Copper 0.47 % 1,692 kt
Measured & Indicated Sulphide 931.7 Mt Molybdenum 0.032 % 303 kt
Measured & Indicated Low-grade sulphide 360.4 Mt Molybdenum 0.016 % 58 kt
Inferred Sulphide 2,973 Mt Copper 0.88 % 26,286 kt
Inferred Oxide & Mixed 51.3 Mt Copper 0.58 % 298 kt
Inferred Low-grade sulphide 1,822 Mt Copper 0.46 % 8,392 kt
Inferred Sulphide 2,973 Mt Molybdenum 0.021 % 618 kt
Inferred Low-grade sulphide 1,822 Mt Molybdenum 0.01 % 184 kt

Commodity Production Costs:

CommodityUnits202220212020201920182017
C1 cash costs Copper USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 1.05 / lb†   1.13 / lb†  
† Net of By-Product.
Subscription required - Subscription is required.

Financials:

Units202220212020201920182017
Capital expenditures M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 670.5   552.3  
Revenue M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 3,318   2,986  
Operating Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 963  
After-tax Income M USD  ......  Subscription required  ......  Subscription required
Earnings M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 1,459  
EBIT M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 1,673   1,350  
EBITDA M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 2,182   1,832  
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Pipelines and Water Supply
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Heavy Mobile Equipment as of November 1, 2018:
HME TypeModelSizeQuantity
Drill ....................... Subscription required
Loader (FEL) ....................... Subscription required ....................... Subscription required
Shovel ....................... Subscription required 73 cu. yd ....................... Subscription required
Shovel ....................... Subscription required 73 cu. yd ....................... Subscription required
Shovel ....................... Subscription required 79 cu. yd ....................... Subscription required
Shovel (hydraulic) ....................... Subscription required ....................... Subscription required
Shovel (hydraulic) ....................... Subscription required ....................... Subscription required
Truck (dump) ....................... Subscription required ....................... Subscription required
Truck (haul) ....................... Subscription required ....................... Subscription required
Truck (haul) ....................... Subscription required ....................... Subscription required
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Mar 31, 2023
....................... Subscription required ....................... Subscription required Subscription required Mar 31, 2023
....................... Subscription required ....................... Subscription required Subscription required Mar 31, 2023
....................... Subscription required ....................... Subscription required Subscription required Mar 31, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 4, 2023
....................... Subscription required ....................... Subscription required Subscription required Mar 31, 2023
....................... Subscription required ....................... Subscription required Subscription required Mar 31, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 4, 2023
....................... Subscription required ....................... Subscription required Subscription required Mar 31, 2023
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required Subscription required 2021
Subscription required Subscription required Subscription required 2020
Subscription required 2019
Subscription required 2018

Corporate Filings & Presentations:

DocumentYear
Annual Report 2022
Integrated Report 2022
Press Release 2022
Year-end Mineral Reserves 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Corporate Presentation 2018
Year-end Mineral Reserves 2018
Annual Report 2017
Annual Report 2017
Annual Report 2017
Year-end Mineral Reserves 2017
Year-end Mineral Reserves 2017
Annual Report 2016
Annual Report 2016
Sustainability Report 2016
Year-end Mineral Reserves 2016
Sustainability Report 2015
Sustainability Report 2015
Technical Report 2012
Corporate Presentation 2011
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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