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Argentina
Manantial Espejo Operation (COSE (Cap-Oeste Sur Este) Mine, Joaquin Mine)

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 Location:
141 km NW from San Julian, Argentina

  Regional Office:
Avenida Cordoba 836, 7th Floor
Buenos Aires
Argentina
C1054AAU
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Fax+54-11-5533-8768
WebsiteWeb
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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Silver
  • Gold
Mining Method
  • Mechanized Cut & Fill
  • Longhole stoping
  • Backfill
Production Start...
The Manantial Espejo plant began processing ore mined from COSE in early September 2020.


Owners

Source: p. 86
CompanyInterestOwnership
Pan American Silver Corp. 100 % Indirect
Ownership Tree

Contractors

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Deposit Type

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


Summary:

The mineralized deposits at the Manantial Espejo mine are predominantly veins with short strike slip and larger down dip displacement. The styles of mineralization include massive quartz veins, vein breccias, sheeted and stockwork veining, and minor dissemination. Gold occurs mainly as electrum in pyrite while the silver occurs in a number of forms including argentiferous galena and silver sulphosalts. Sulphides account for up to 3% to 5% ocount for up to 3% to 5% of the rock mass as veinlets and dissemination.

Mineralization at Manantial Espejo is hosted in four main veins known as Maria, Karina/Union, Melissa, and Concepcion. The majority of the mineralization out lined to date is in the Maria Vein. The vein is a thick silica vein exposed on surface fot more than one kilometre and has been intersected at a depth of up to 275 metres. This vein averages 7.8 metres in true wight and ranges from 0.63 metres to 20 metres and is open to the east and at depth. Economic grade mineralization of the vein is less continuous. Open pit economic grade zones measure tens to hundreds of metres in longitudinal dimention, with over 100 metres of vertical extent in the Maria West area.

The Karina/Union Vein is exposed on surface for a distance of 850 metres and has been drilled to a depth of 150 metres. Several interconnected high grade silver-gold epithermal veins in excess of 20 metres true wights have been observed in drillhole intersections.

The Meliss ........


Mining Methods

  • Mechanized Cut & Fill
  • Longhole stoping
  • Backfill


Summary:

Ore was mined at Manantial Espejo using a combination of conventional open pit and underground mining methods until October 2017, when open pit mining ceased. All production now is from the underground mine and surface stockpiles. The underground mining operations consist primarily of long-hole and mechanized cut and fill mining methods utilizing development waste as backfill.


Crushing and Grinding
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Processing

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Summary:

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Production:
Manantial Espejo data includes production from the COSE and Joaquin mines.

CommodityUnits2022202120202019201820172016
Silver koz  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required3,0923,1233,136
Gold koz  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
All production numbers are expressed as metal in doré. ^ Guidance / Forecast.
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Operational Metrics:

Metrics202120202019201820172016
Tonnes milled  ......  Subscription required  ......  Subscription required708.6 kt804.4 kt793.5 kt753.6 kt
Daily milling capacity  ......  Subscription required  ......  Subscription required2,000 t2,000 t
Daily milling rate  ......  Subscription required  ......  Subscription required2,150 t
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Reserves at June 30, 2021:

CategoryTonnage CommodityGradeContained Metal
Proven 0.3 Mt Silver 280 g/t 2.5 M oz
Proven 0.3 Mt Gold 2.56 g/t 23.1 koz
Probable 0.2 Mt Silver 337 g/t 1.8 M oz
Probable 0.2 Mt Gold 3.28 g/t 17.2 koz
Measured 0.2 Mt Silver 185 g/t 1.4 M oz
Measured 0.2 Mt Gold 1.85 g/t 14.4 koz
Indicated 0.3 Mt Silver 219 g/t 2.1 M oz
Indicated 0.3 Mt Gold 2.72 g/t 26.3 koz
Inferred 0.5 Mt Silver 263 g/t 4.3 M oz
Inferred 0.5 Mt Gold 2.7 g/t 44.6 koz

Commodity Production Costs:

CommodityUnits2022202120202019201820172016
Cash costs (sold) Silver USD  ......  Subscription required ^†  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 14.8 / oz†   18.3 / oz†   4.28 / oz†  
All-in sustaining costs (sold) Silver USD  ......  Subscription required ^†  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 16.8 / oz†   23.4 / oz†   -2.08 / oz†  
^ Guidance / Forecast.
† Net of By-Product.
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Financials:

Units2022202120202019201820172016
Capital expenditures (planned) M USD  ......  Subscription required
Capital expenditures M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 29.9   8.6   2.9  
Sustaining costs M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 2.8  
Revenue M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 90.9   111.6   144  
Operating Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required -5.9  
Pre-tax Income M USD -44.1   -24.4   42.1  
After-tax Income M USD -44.2   -25.5   41.7  
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Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jun 30, 2022
....................... Subscription required ....................... Subscription required Subscription required Jun 30, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 10, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 10, 2022
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Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Annual Information Form 2018
Annual Report 2018
Press Release 2018
Year-end Mineral Reserves 2018
Annual Information Form 2017
Annual Report 2017
Annual Information Form 2016
Financial Review 2016
Management Discussion & Analysis 2016
Annual Report 2015
Management Discussion & Analysis 2015
Form 40-F 2014
Technical Report 2006
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