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Peru
Yanacocha Mine

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 Location:
20 km N from Cajamarca, Peru

  Regional Office:
Av. La Paz 1049 5th Floor Miraflores
Lima
Peru
Phone  ...  Subscription required
Fax(51-76)-58-4030
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
  • Gold
  • Silver
  • Copper
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life2027
Yanacocha is South America's largest gold mine.

First copper production is expected from Yanacocha Sulfides in 2026.


Owners

Source: p. 1, 5
CompanyInterestOwnership
Newmont Corp. (operator) 100 % Indirect
Yanacocha is owned by Minera Yanacocha S.R.L. (“Yanacocha” or “MYSRL”).

In 2022, Newmont Corp. completed the acquisition of the remaining interest in Minera Yanacocha S.R.L., including Buenaventura's 43.65% interest and Sumitomo Corporation's 5% interest.

Contractors

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Deposit Type

  • Epithermal


Summary:

Yanacocha is an epithermal type deposit of high sulfidation hosted in volcanic rock formations. Gold is associated with ironoxides and pyrite.

The Yanacocha property consists of the following open pit mines: the La Quinua Complex, Cerro Yanacocha, the Carachugo Complex and Maqui Maqui.

The Yanacocha gold district is a 10x4km zone of altered rocks within a belt of tertiary volcanics that extends the whole length of Peru. Andesitic domes and dome complexes have been silicified and leached by epithermal gold-bearing solutions in at least nine distinct deposits. The mineralised sequences, which can also contain significant amounts of silver, are flanked by extensive argillitic alteration, and subsequent events have created siliceous breccia pipes with localised high gold grades.


Mining Methods

  • Truck & Shovel / Loader


Summary:

The Yanacocha property began production in 1993 and consists of the following open pit mines: the La Quinua Complex, the Yanacocha Complex, the Carachugo Complex.

The La Quinua Complex mined material from the La Quinua Sur and the Tapado Oeste Layback and finished mining operations in 2021.

The Yanacocha Complex mines material from the Yanacocha Layback and Yanacocha Pinos, which has had limited mining operations in recent years and will finish mining operations in 2022.

The Carachugo leach pad processes oxide material from the Quecher Main project.

Yanacocha’s available mining fleet consists of two shovels, four excavators, one loader and 31 haul trucks, each with 233-tonne payload.


Crushing and Grinding


Processing

Source: Subscription required

Summary:

- subscription is required.


Production:

CommodityUnits2021202020192018201720162015
Gold koz  ......  Subscription required  ......  Subscription required  ......  Subscription required515535655918
Silver koz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
All production numbers are expressed as metal in doré.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202120202019201820172016
Total tonnes mined  ......  Subscription required  ......  Subscription required52,704 k tons53,242 k tons62,449 k tons90,326 k tons
Ore tonnes mined  ......  Subscription required  ......  Subscription required38,245 k tons29,862 k tons26,866 k tons31,897 k tons
Waste  ......  Subscription required  ......  Subscription required14,459 k tons23,380 k tons35,583 k tons58,429 k tons
Tonnes processed  ......  Subscription required  ......  Subscription required39,871 k tons31,436 k tons29,755 k tons36,476 k tons
Subscription required - Subscription is required.

Reserves at December 31, 2021:
Open Pit Reserves: Gold cut-off grades for oxide leach material not less than 0.07 gram per tonne and refractory mill material not less than 1.45 gram per tonne.
Underground reserves: Gold cut-off grades for oxide mill material not less than 2.10 gram per tonne and refractory mill material varies with level of copper and silver credits.

CategoryTonnage CommodityGradeContained Metal
Proven & Probable 178,578 kt Gold 1.1 g/t 6,290 koz
Proven & Probable 192,405 kt Silver 13.85 g/t 85,940 koz
Proven & Probable 112,366 kt Copper 0.61 % 1,519 M lbs
Measured & Indicated 116,261 kt Gold 0.64 g/t 2,376 koz
Measured & Indicated 99,318 kt Silver 14.03 g/t 44,791 koz
Measured & Indicated 98,150 kt Copper 0.38 % 818 M lbs
Inferred 192,016 kt Gold 0.87 g/t 5,394 koz
Inferred 31,743 kt Silver 15.9 g/t 16,222 koz
Inferred 40,117 kt Copper 0.37 % 331 M lbs

Commodity Production Costs:

CommodityUnits202120202019201820172016
Credits (by-product) Gold USD  ......  Subscription required  ......  Subscription required  ......  Subscription required -39 / oz   -33 / oz   -13 / oz  
Cash costs (sold) Gold USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 754 / oz   857 / oz   775 / oz  
Total cash costs (sold) Gold USD  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 813 / oz†   939 / oz†   824 / oz†  
All-in sustaining costs (sold) Gold USD  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 967 / oz†   1,194 / oz†   1,058 / oz†  
† Net of By-Product.
Subscription required - Subscription is required.

Financials:

Units202120202019201820172016
Capital expenditures M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 117.6   53.7   83.1  
Revenue M USD  ......  Subscription required  ......  Subscription required 635.4   645.2   761.2  
Operating Income M USD  ......  Subscription required  ......  Subscription required -22.6   -154.1   -973.9  
Gross profit M USD  ......  Subscription required  ......  Subscription required 58,977   -81.9   -0.4  
Pre-tax Income M USD  ......  Subscription required  ......  Subscription required -52.2   -168.4   -1,001  
After-tax Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required -81.5   -175.5   -1,044  
Subscription required - Subscription is required



Heavy Mobile Equipment as of December 31, 2021:
HME TypeSizeQuantity
Excavator ....................... Subscription required
Loader ....................... Subscription required
Shovel ....................... Subscription required
Truck (haul) 233 t ....................... Subscription required
Subscription required - Subscription is required.

Mine Management:

Job TitleNameEmailProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Sep 16, 2022
....................... Subscription required ....................... Subscription required ....................... Subscription required Subscription required Jul 25, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 25, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 25, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 25, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 25, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 25, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 16, 2022
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
................................... 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 2020
................................... Subscription required 2019
................................... Subscription required 2019
Form 10-K 2018
Form 20-F 2018
Other 2018
Press Release 2018
Year-end Mineral Reserves 2018
Annual Report 2017
Form 20-F 2017
Press Release 2017
Quarterly Report 2017
Year-end Mineral Reserves 2017
Annual Report 2016
Other 2016
Year-end Mineral Reserves 2016
Annual Report 2015
Other 2005
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