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Chile
Chuquicamata Mine

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 Location:
15 km N from Calama, Chile

  Address:
Avenida 11 Norte Nº 1291, Villa Exótica
Calama
Chile
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Copper
  • Molybdenum
  • Gold
  • Silver
  • Sulphuric acid
Mining Method
  • Block caving
Production Start...
Mine Life2057
For the Chuquicamata Underground Mine Project Portfolio, the program considers three main investments: the "Initial Exploitation," the works associated with "Continuity Infrastructure Phase I," and the "Development of Mining Works."

Within the advances of the year 2022, the initial exploitation works of the Chuquicamata Underground Mine were completed, and progress continued on the "Level 1 Continuity Infrastructure" and "Development of Mining Works" projects.


Owners

Source: p. 20
CompanyInterestOwnership
Codelco Corp. (operator) 100 % Indirect
Codelco Corp. have seven mine sites (known as “divisiones”): Chuquicamata, Ministro Hales, Radomiro Tomic, Gabriela Mistral, Salvador, Andina, El Teniente, in addition to the Ventanas Smelter and Refinery.

Contractors

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Deposit Type

  • Porphyry


Summary:

The Chuquicamata district includes the Chuquicamata and Radomiro Tomic megadeposits, the exotic copper deposit Mina Sur, the newly developed Ministro Hales mine (formerly known as Mansa Mina) located 5.5 km south of Chuquicamata, and the deposits of the Toki cluster (Toki, Genoveva, Quetena, Miranda, and Opache) located about 15 km SSW of Chuquicamata.

The deposits of the district are located in the Late Eocene–Early Oligocene (43–31 Ma) porphyry copper belt that extends for about 1,400 km, from 18°S to 31°S (Sillitoe 1988; Sillitoe and Perelló 2005). The rocks in the area range in age from Paleozoic to Tertiary. The main structural feature observed is the West Fault, which is part of the Domeyko Fault System (Boric et al. 1990; Dilles et al. 1997) and divides the district in two domains: an eastern domain and a western domain.


Mining Methods

  • Block caving


Summary:

(Translated from Spanish by Google Translate)
In 2019, the historic Chuquicamata deposit began to ramp down production in the open pit make the shift to a high-tech underground mine operation.

Chuquicamata Subterránea will transform the century-old Chuquicamata open-pit mine, the largest in the world, into a modern large-scale underground operation using the block caving method of exploitation, extending the life of the division by at least 40 years.

The ore will be extraced through an extensive “block caving” operation, by installing four production levels. 140.000 tons of ore will be mined and treated per day, making Chuquicamata one of the largest mining operations on the globe

The new mine design for PMCHS is based on the following mine production process:

1. Initiates with the use of rock mass intensive preconditioning, which consists of the application of hydraulic fracturing and confined blasting to improve rock mass fragmentation and caveability.

2. Continues with the application of a high undercut (20 m) in order to minimise flow detentions at the initial part of the ore column extraction.

3. Caved ore is loaded by 20 t LHDs at the drawpoints, transported and directly tipped into a 500 t run-of-mine bin that feeds a wide feed gyratory crusher.

4. Crushed ore transported by an intermediate conveyor belt that feeds the main ore handling system.

100% electromobility in unde ........


Crushing and Grinding
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Processing

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Summary:

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Production:

CommodityProductUnits2022202120202019201820172016
Copper Metal t  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required320,744330,910302,010
Gold Metal kg  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Silver Metal kg  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Sulphuric acid t  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Molybdenum Metal t  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Operational Metrics:

Metrics201920182017
Ore tonnes mined 65,582 kdmt56,909 kdmt50,104 kdmt

Reserves at December 31, 2022:

CategoryTonnage CommodityGradeContained Metal
Proven 751 Mt Copper 0.79 % 6 Mt
Probable 483 Mt Copper 0.44 % 2.1 Mt
Proven & Probable 1,234 Mt Copper 0.66 % 8.1 Mt
Measured 979 Mt Copper 0.78 % 7.7 Mt
Indicated 596 Mt Copper 0.66 % 3.9 Mt
Inferred 1,376 Mt Copper 0.48 % 6.6 Mt
Total Resource 2,951 Mt Copper 0.62 % 18.2 Mt

Commodity Production Costs:

CommodityUnits2019201820172016
C1 cash costs Copper USD  ......  Subscription required 1.32 / lb   1.31 / lb   1.18 / lb  

Financials:

Units2022202120202019201820172016
Revenue M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 3,734   3,777   2,210  
Gross profit M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 434.3   842.7   447.6  
Pre-tax Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 3   233.4   -97.1  
After-tax Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 0.9   71   -52.9  
Subscription required - Subscription is required


Water Supply
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Heavy Mobile Equipment:
HME TypeModelQuantityStatusRef. Date
Bolter ....................... Subscription required Existing May 28, 2020
Drill ....................... Subscription required Existing May 28, 2020
Loader ....................... Subscription required Existing May 28, 2020
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed Aug 4, 2021
Scoop Tram ....................... Subscription required Existing May 28, 2020
Truck (underground) ....................... Subscription required Existing May 28, 2020
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required May 20, 2023
....................... Subscription required ....................... Subscription required Subscription required May 20, 2023
....................... Subscription required ....................... Subscription required Subscription required May 20, 2023
....................... Subscription required ....................... Subscription required Subscription required May 20, 2023
....................... Subscription required ....................... Subscription required Subscription required May 20, 2023
Subscription required - Subscription is required.

Staff:

EmployeesYear
Subscription required 2022
Subscription required 2021
Subscription required 2020
Subscription required 2019
Subscription required 2018
Subscription required 2017
Subscription required 2016
Subscription required 2015
Subscription required 2014

Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2023
Annual Report 2022
Annual Report 2022
Financial Review 2022
Other 2022
................................... 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
Other 2018
Annual Report 2017
Corporate Presentation 2017
Annual Report 2016
Corporate Presentation 2016
Financial Review 2016
Financial Review 2016
Press Release 2016
Annual Report 2015
Other 2013
Corporate Presentation 2008
Other 2006
Other 2001
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Subscription required - Subscription is required.

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