Peru

Arcata Mine

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Categories

Overview

Mine TypeUnderground
StatusCare and Maintenance
Commodities
  • Silver
  • Gold
Mining Method
  • Mechanized Cut & Fill
  • Overhand stoping
Backfill type ... Lock
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SnapshotThe Arcata is an underground mine that was placed on temporary care and maintenance in February 2019.

Owners

SourceSource
CompanyInterestOwnership
Hochschild Mining Plc. 100 % Indirect
Compañía Minera Ares S.A.C. (operator) 100 % Indirect
Hochschild Mining Plc. indirectly owns 100% interest in the Arcata mine through its wholly owned subsidiaries Compañía Minera Ares S.A.C. and Compañía Minera Arcata S.A.

Contractors

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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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Comminution

Crushers and Mills

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Processing

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Production

CommodityUnits20192018201720162015
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

Metrics20192018201720162015
Ore tonnes mined 37,049 t373,106 t499,385 t677,309 t648,051 t
Daily processing capacity 2,500 t2,000 t2,500 t
Daily processing rate 1,500 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 182.2  167.7  124.8  101.1  

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  

Heavy Mobile Equipment

Fleet data has not been reported.

Personnel

Mine Management

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Aug 31, 2023

EmployeesYear
...... Subscription required 2019

Aerial view:

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