Mining Intelligence and News
Peru

Arcata Mine

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Australia

Arcata Mine

Location: 176 km NW from Arequipa, Peru

Address:

Av. El Derby 055 Torre 1 Of. 301, Santiago de Surco
Lima
Peru

Contacts:

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Categories

Summary

Mine TypeUnderground
StatusCare and Maintenance
Commodities
  • Silver
  • Gold
Mining Method
  • Mechanized Cut & Fill
  • Overhand stoping
Backfill type ... Lock
Production Start... Lock
Mine Life... Lock
SnapshotArcata is a previously operating underground gold-silver mine developed by Hochschild. In February 2019, Arcata was placed on temporary care and maintenance due to a low silver price environment. The silver price averaged approximately $16 per ounce during 2018 and 2019. Azuca is a satellite underground deposit located 116 kilometers north of Arcata by road, and ore is expected to be trucked to Arcata for processing.

Sierra Sun acquired the Arcata and Azuca properties and will now begin working to restart Arcata. Triple Flag Precious Metals announced that its wholly-owned subsidiary has acquired 5% of the silver and gold streams at each of the Arcata and Azuca mines.

Arcata is fully permitted for restart. Sierra Sun intends to restart the Arcata operation in multiple phases to generate cash flow for continued ramp-up to steady state. The operator expects Arcata to begin production in the second half of 2025. Separately, Azuca production is anticipated to begin in late 2029.

Owners

SourceSource
CompanyInterestOwnership
Sierra Sun Group 100 % Indirect
Sierra Caraz S.A.C acquired Arcata, and the Azuca project of Hochschild Mining on March 5, 2025. Sierra Caraz is a company linked to Sierra Sun Precious Metals S.A.C., a private group that operates mines in Peru.

Contractors

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SourceSource

Deposit type

  • Epithermal
  • Vein / narrow vein

Summary:

The Arcata mine is conformed by vein systems where the epithermal vein deposits are of an intermediate sulphidation type with predominant silver values and variable quantities of gold and base metals. The main structures at Arcata are Mariana NE, Blanca, Amparo, Ramal Leslie, Alexia and Marion. The known structures at Arcata extend over 29 kilometres.

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

CommodityUnits20192018201720162015
Silver koz 3113,4164,3916,3435,613
Gold koz 111152316
Silver Equivalent koz 3904,1995,5128,0116,772
Gold Equivalent koz 4.8577410892
All production numbers are expressed as metal in concentrate.

Operational metrics

Metrics202520192018201720162015
Daily processing capacity  ....  Subscribe2,500 t2,000 t2,500 t
Ore tonnes mined  ....  Subscribe37,049 t373,106 t499,385 t677,309 t648,051 t
Daily processing rate  ....  Subscribe1,500 t1,750 t

Production Costs

CommodityUnits201920182017
Total cash costs (sold) Silver USD 20.2 / oz   16.9 / oz   14.5 / oz  
All-in sustaining costs (AISC) Silver Equivalent USD 22.8 / oz   19.6 / oz   18.4 / oz  
All-in sustaining costs (AISC) Gold Equivalent USD 1,847 / oz   1,448 / oz   1,362 / oz  

Operating Costs

Currency2019201820172016
Total operating costs ($/t milled) USD  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe

Mine Financials

Units2020201920182017
Capital expenditures M USD  ....  Subscribe 0.04   0.5   17.6  
Revenue M USD 5.1   56.6   77.9  
Gross profit M USD -1.9   -6.3   -2.3  
Pre-tax Income M USD -2   -7.3   -4.2  
After-tax Income M USD -2   -7.3   -4.2  

Personnel

Mine Management

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jun 1, 2025

Workforce

EmployeesYear
...... Subscription required 2019

Aerial view:

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