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Peru
Quellaveco Mine

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 Location:
35 km NE from Moquegua, Peru

  Regional Office:
Esquilache Building Calle Esquilache 371 - piso 10 San Isidro
Lima
Peru
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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
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life35 years (as of Jan 1, 2022)
The Quellaveco copper project in Peru delivered its first production of concentrate in July 2022 and commercial operations began in September 2022. Ramp-up of the processing plant is ongoing and is expected to reach nameplate capacity around mid-2023.

Quellaveco is one of the largest mines to be developed across the mining industry in many years.

Quellaveco is fully digitalised and is either automated, or automation-ready, with all data integrated and accessible in real time.


Owners

Source: p. 36
CompanyInterestOwnership
Mitsubishi Materials Corp. 40 % Indirect
Anglo American plc. 60 % Indirect
Quellaveco is a joint venture between Anglo American (60%) and Mitsubishi (40%).

Contractors

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Deposit Type

  • Porphyry


Summary:

The Quellaveco deposit is porphyry copper-molybdenum orebody with an elongated mineralised zone. Primary sulphide mineralisation dominates the deposit and is successively overlain by a secondary supergene copper mineralisation blanket. This is followed by low grade copper-bearing oxides that are capped by barren ignimbrites. At least five stages of intrusion are recognised; the oldest intrusives correspond to regional granodiorite surrounding the main orebody. Three syn-mineralisation intrusions of monzonitic to dacitic composition host most of the mineralisation. All of these are cut by a suite of late post-mineral intrusives. The Quellaveco deposit, located near the northern end of the Paleocene to early Eocene porphyry copper belt of the central Andes (Sillitoe, 1988; Clark et al., 1990), is centered on a multiphase quartz monzonite porphyry stock emplaced into an equigranular granodiorite pluton, which itself cuts rhyolitic volcanic rocks assigned to the Late Cretaceous to early Paleocene Toquepala Group (Estrada, 1975; Guerrero and Candiotti, 1979; Candiotti, 1995). The pluton, which crops out over >3 km2 in the vicinity of the Quellaveco stock, as well as extending northward beneath postmineral ignimbrite and gravel cover, is part of the granodioritic to monzogranitic Yarabamba superunit of the Coastal batholith (Pitcher, 1985). Phenocrysts in the porphyries are made up of abundant plagioclase, quartz, and biotite, plus scattered K-feldspar and hornblende, all surrou ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

Mining from the Quellaveco deposit will involve excavation of a huge open-pit. The final pit dimensions are anticipated to be: approximately 3000m (N-S) by 1700m (E-W), and 930m deep.

Mining of the ore body by open pit methods will require diversion of the Asana River around the Quellaveco deposit via a canal and tunnel system 7.2 km long, returning the flow downstream of the proposed waste rock disposal area.

Excavation of the pit will produce more than a million tons of waste rock, which will be deposited in the Asana River riverbed, downgradient of the open pit and the subsequent pit lake. Waste rock piles will reach an average height of 320m.

After mine closure, the pit will fill with water forming a lake with a maximum depth of about 384m.


Crushing and Grinding
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Processing

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Summary:

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Production:
First production of copper concentrate was announced on 12 July 2022.

CommodityUnits20232022
Copper t  ......  Subscription required ^  ......  Subscription required
All production numbers are expressed as metal in concentrate. ^ Guidance / Forecast.

Operational Metrics:

Metrics2022
Ore tonnes mined  ......  Subscription required
Tonnes processed  ......  Subscription required
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Reserves at December 31, 2022:
Ore Reserves and Mineral Resources are quoted above the 0.18%TCu cut-off grade.

CategoryTonnage CommodityGradeContained Metal
Proven 614.7 Mt Copper 0.69 % 4,241 kt
Proven 614.7 Mt Molybdenum 0.02 % 123 kt
Probable 1,034 Mt Copper 0.43 % 4,441 kt
Probable 1,034 Mt Molybdenum 0.014 % 148 kt
Proven & Probable 1,649 Mt Copper 0.53 % 8,682 kt
Proven & Probable 1,649 Mt Molybdenum 0.016 % 271 kt
Measured 41.6 Mt Copper 0.4 % 166 kt
Measured 41.6 Mt Molybdenum 0.016 % 7 kt
Indicated 638.7 Mt Copper 0.39 % 2,491 kt
Indicated 638.7 Mt Molybdenum 0.016 % 102 kt
Measured & Indicated 680.4 Mt Copper 0.39 % 2,658 kt
Measured & Indicated 680.4 Mt Molybdenum 0.016 % 109 kt
Inferred 905.9 Mt Copper 0.38 % 3,470 kt
Inferred 905.9 Mt Molybdenum 0.016 % 146 kt

Commodity Production Costs:

CommodityUnits2022
C1 cash costs Copper USD  ......  Subscription required
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Financials:

Units2022
Capital expenditures M USD  ......  Subscription required
Revenue M USD  ......  Subscription required
Earnings M USD  ......  Subscription required
EBIT M USD  ......  Subscription required
EBITDA M USD  ......  Subscription required
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Pipelines and Water Supply
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Heavy Mobile Equipment:
HME TypeModelSizeQuantityRef. Date
Drill (blasthole) ....................... Subscription required ....................... Subscription required Mar 28, 2023
Drill (blasthole) ....................... Subscription required ....................... Subscription required Jan 27, 2022
Shovel (hydraulic) ....................... Subscription required Dec 31, 2022
Shovel (rope) ....................... Subscription required ....................... Subscription required Dec 31, 2022
Truck (haul) ....................... Subscription required 297 t ....................... Subscription required Mar 28, 2023
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Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Apr 17, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 14, 2023
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....................... Subscription required ....................... Subscription required Subscription required Apr 17, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 14, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 14, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 14, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 14, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 14, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 17, 2023
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Staff:

EmployeesYear
Subscription required 2022

Corporate Filings & Presentations:

DocumentYear
Integrated Report 2022
Year-end Mineral Reserves 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
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................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Year-end Mineral Reserves 2018
Annual Report 2017
Year-end Mineral Reserves 2017
Annual Report 2016
Year-end Mineral Reserves 2016
Corporate Presentation 2015
Other 2015
Year-end Mineral Reserves 2015
Other 2002
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