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Peru

Julcani Mine

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Julcani Mine

Location: 67 km NW from Ayacucho, Peru

Address:

Las Begonias 415 – piso 19,
San Isidro
Lima
Peru

Contacts:

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Categories

Summary

Mine TypeUnderground
StatusActive
Commodities
  • Gold
  • Silver
  • Lead
  • Copper
Mining Method
  • Overhand Cut & Fill
Production Start... Lock
Mine Life... Lock
SnapshotIn 2023, there was a decrease in silver fed to the plant compared to previous years due to the formation of a subsea volcanic horizon impoverishing the mineralization in the Achilles sector. Therefore, during the year, search and reconnaissance work was intensified in areas where there are no such horizons. As part of this strategy, the pace of exploration and development has also been increased in the new Rosario Zone (Lv.610), where high-grade gold, silver and copper have been found and which will gradually come on stream during 2024.

Of the total of reserves, 70% belong to Acchilla mine, 21% to Estela mine and 9% to Rosario mine.

Acchilla is the main mining area.

Owners

SourceSource
CompanyInterestOwnership
Compania de Minas Buenaventura S.A.A. (operator) 100 % Indirect
The Julcani mine is wholly-owned and operated by Compania de Minas Buenaventura S.A.A.

Contractors

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SourceSource

Deposit type

  • Epithermal
  • Breccia pipe / Stockwork
  • Vein / narrow vein

Summary:

Julcani is a large polymetallic deposit in Central Peru, which principally produces silver that presents mainly as sulpho-salts in many mineralogically complex veins. They are hosted in dacite domes, tuffs, breccias and other tertiary volcanic rocks.

Julcani is a fracture-filling silver-bearing epithermal deposit with Ag-Pb-Bi-Cu-WO3 mineralization, hosted in a complex of dacitic/rhyolitic domes from the Tertiary. The most important system of structures runs NW-SE, followed by E-W and NE-SW. It is important to note the zoning, wherein the central part (Tentadora dome) exhibits an Au-Bi-WO3 ensemble that changes to Ag- Pb toward the edges. Historically, the most important mines have been Herminia, Nueva Herminia, Mimosa, and Manto. The Acchilla and Estela Mines are currently in operation. The minerals present include tetrahedrite, argentite, silver sulfosalts, galena, sphalerite, and chalcopyrite, with gangues of siderite, pyrite, barite, silica, and calcite.

Reserves

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Mining Methods

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Heavy Mobile Equipment

Fleet data has not been reported.

Comminution

Crushers and Mills

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Processing

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Commodity Production

CommodityProductUnits2025202320222021202020192018201720162015
Gold Metal in concentrate oz  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe150 71 200 246 607 
Silver Metal in concentrate koz  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe2,609 2,483 2,250 3,264 3,266 
Lead Metal in concentrate t  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe966 1,048 1,824 2,883 2,592 
Copper Metal in concentrate t  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe185169192291339
Copper Concentrate kt  ....  Subscribe
Lead-Silver Concentrate kt  ....  Subscribe  ....  Subscribe
^ Guidance / Forecast.

Operational metrics

Metrics2024202320222021202020192018201720162015
Daily milling capacity  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe550 t550 t550 t
Tonnes milled  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe123,818 t109,025 t130,854 t173,865 t177,948 t
Ore tonnes mined  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe123,818 t109,025 t130,854 t173,865 t177,948 t

Production Costs

CommodityUnits20242023202220212020201920182017
Cash costs (sold) Lead USD  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe 1,585 / t   2,191 / t   2,543 / t  
Cash costs (sold) Copper USD  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe 4,788 / t   7,392 / t   6,318 / t  
Cash costs (sold) Silver USD  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe 13.5 / oz   15 / oz   17.1 / oz  
Cash costs (sold) Gold USD  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe 1,259 / oz   2,507 / oz  

Mine Financials

Units20242023202220212020201920182017
Capital expenditures M USD  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe 1.6   3   2  
Revenue M USD  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe 40.1   34.1  
Operating Income M USD  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe -8.9   -7.7  
Gross profit M USD  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe -2   -4.7   -9.9  
Pre-tax Income M USD  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe -9.9   -7.8   -15.4  
After-tax Income M USD  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe -9.9   -7.8  
Book Value M USD  ....  Subscribe  ....  Subscribe  ....  Subscribe

Personnel

Mine Management

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required May 8, 2025
....................... Subscription required ....................... Subscription required Subscription required May 8, 2025
....................... Subscription required ....................... Subscription required Subscription required May 8, 2025

Workforce

EmployeesContractorsTotal WorkforceYear
...... Subscription required ...... Subscription required ...... Subscription required 2024
...... Subscription required ...... Subscription required ...... Subscription required 2023
...... Subscription required ...... Subscription required ...... Subscription required 2022
...... Subscription required ...... Subscription required ...... Subscription required 2021
...... Subscription required ...... Subscription required ...... Subscription required 2020
...... Subscription required ...... Subscription required ...... Subscription required 2019
...... Subscription required ...... Subscription required ...... Subscription required 2018
...... Subscription required 2017
...... Subscription required 2016

Aerial view:

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