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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)-2-2362-6562
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
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  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Copper
  • Molybdenum
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life86 years (as of Jan 1, 2021)
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


Summary:

The Collahuasi district is located in Northern Chile, Tarapacá Region, and hosts large Copper-Molybdenum porphyry-type deposits: Ujina, Rosario a high sulphidation vein deposit as Rosario Oeste and a oxide copper deposit as Rosario Sur.

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 ........


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:

CommodityProductUnits202120202019201820172016
Copper Metal in concentrate t  ......  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
Gold Metal in concentrate koz  ......  Subscription required  ......  Subscription required  ......  Subscription required
Copper Cathode t 1004,800
Subscription required - Subscription is required.

Operational Metrics:

Metrics202120202019201820172016
Ore tonnes mined  ......  Subscription required  ......  Subscription required87,253,200 t51,886,400 t64,733,500 t67,602,600 t
Tonnes processed  ......  Subscription required  ......  Subscription required54,133,100 t49,470,500 t49,886,800 t49,406,800 t
Total tonnes mined  ......  Subscription required  ......  Subscription required264 Mt252 Mt
Subscription required - Subscription is required.

Reserves at December 31, 2021:
Ore Reserves: cut-off grades – 0.3% %TCu
Mineral Resources: cut-off grades – 0.3%TCu

Low Grade Sulphide Flotation Mineral Resources are reported including stockpiles.

CategoryOreTypeTonnage CommodityGradeContained Metal
Proven & Probable Stockpiles 337.7 Mt Copper 0.56 % 1,891 kt
Proven & Probable Sulphide 2,674 Mt Copper 0.97 % 25,990 kt
Proven & Probable Low-grade sulphide 1,156 Mt Copper 0.46 % 5,354 kt
Proven & Probable Stockpiles 337.7 Mt Molybdenum 0.013 % 44 kt
Proven & Probable Sulphide 2,674 Mt Molybdenum 0.028 % 739 kt
Proven & Probable Low-grade sulphide 1,156 Mt Molybdenum 0.01 % 121 kt
Measured & Indicated Sulphide 976.1 Mt Copper 0.91 % 8,877 kt
Measured & Indicated Oxide & Mixed 69.1 Mt Copper 0.71 % 489 kt
Measured & Indicated Low-grade sulphide 383 Mt Copper 0.47 % 1,799 kt
Measured & Indicated Sulphide 976.1 Mt Molybdenum 0.032 % 310 kt
Measured & Indicated Low-grade sulphide 383 Mt Molybdenum 0.016 % 61 kt
Inferred Sulphide 595.5 Mt Copper 0.95 % 5,657 kt
Inferred Low-grade sulphide 413.5 Mt Copper 0.43 % 1,778 kt
Inferred Sulphide 595.5 Mt Molybdenum 0.016 % 95 kt
Inferred Low-grade sulphide 413.5 Mt Molybdenum 0.004 % 17 kt

Commodity Production Costs:

CommodityUnits20212020201920182017
C1 cash costs Copper USD  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 1.05 / lb†   1.13 / lb†  
† Net of By-Product.
Subscription required - Subscription is required.

Financials:

Units20212020201920182017
Capital expenditures M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 670.5   552.3  
Revenue M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 3,318   2,986  
Operating Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 963  
Earnings M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 1,459  
EBIT M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 1,673   1,350  
EBITDA M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 2,182   1,832  
Subscription required - Subscription is required


Pipelines
Source: Subscription required


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 Apr 13, 2022
....................... Subscription required ....................... Subscription required Subscription required Apr 13, 2022
....................... Subscription required ....................... Subscription required Subscription required Apr 13, 2022
....................... Subscription required ....................... Subscription required Subscription required Apr 13, 2022
....................... Subscription required ....................... Subscription required Subscription required Apr 13, 2022
....................... Subscription required ....................... Subscription required Subscription required Apr 13, 2022
Subscription required - Subscription is required.

Staff:

Total WorkforceYear
Subscription required 2019
Subscription required 2018

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... 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
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