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Peru
Santander Complex

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 Location:
13.5 km E from Pacaraos, Peru

  Address:
Car. Huaral a Cerro de Pasco km. 120 Santa Cruz de Andamarca
Lima
Peru
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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Zinc
  • Lead
  • Silver
  • Copper
Mining Method
  • Bench & Fill
  • Avoca
  • Room-and-pillar
  • Backfill
Production Start...
Mine Life9 years (as of Jan 1, 2022)
The Santander mine complex comprises a historically mined open pit and underground workings. Active underground operations (the Magistral mine) currently producing a nominal volume of 2,000 t/d that feeds the Santander process plant.

Cerro de Pasco Resources plans to develop the Santander Pipe orebody by linking the existing Magistral underground mine starting Q4-2022. Mining The Pipe(s) deposit starting Q4 2023.

In process of extending mine life by 13 years.


Owners

Source: p. 29
CompanyInterestOwnership
Cerro de Pasco Resources Inc. 100 % Indirect
On the 3rd of December 2021, Cerro de Pasco Resources Inc., (CDPR) took ownership of the Santander Mine assets of Trevali Peru (Trevali). Cerro de Pasco Resources Inc. currently operating the Santander Mine.

Contractors

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Deposit Type

  • Carbonate replacement
  • Skarn
  • Intrusion related


Summary:

The characteristics and setting of the mineralization at the Santander Property are consistent with intrusion related, carbonate-hosted zinc-lead (copper, silver) deposits (Megaw, Balton and Falce 1996; Megaw 1998; Meinert, Dippert, and Nicolescu 2005), also known as CRD or hightemperature carbonate (HTC) deposit types. The Santander mine is located within what is referred to as the Miocene metallogenic belt of central and northern PerĂº. It extends for at least 900 km along the Andean Western Cordillera and adjacent Altiplano and is characterized by numerous hydrothermal mineral deposits that formed about 20 Ma ago. Mineralization is interpreted to have occurred during a pre-lower Miocene Quechua I compressive event and spanned later Quechua II tectonism. Mineral deposits are predominantly hosted by shelf carbonates and other sedimentary rocks of Late Triassic, Jurassic, and Cretaceous age, and by volcanic and intrusive rocks mainly of Neogene age. Base metal and precious metal mineralization was intimately associated in time and space with the eruption of calc-alkali volcanic rocks of intermediate composition, and the emplacement of mineralogically and geochemically similar, dykes and stocks. The property is underlain by a package of Cretaceous carbonate and clastic sedimentary rocks that were tightly folded into a series of northwest-trending anticlines and synclines. The lower, predominantly clastic part of the section was thrust over the mainly carbonate-rich upper port ........


Mining Methods

  • Bench & Fill
  • Avoca
  • Room-and-pillar
  • Backfill


Summary:

Bench and fill with a mechanized extraction methodology is the mining method applied at the Santander Mine. Current production capacity is about 2,000 tpd of zinc-lead-silver ore. Currently, underground mining targets the Magistral Norte (MN), Magistral Centro (MC), and Magistral South (MS) deposits, with three separate portals and ramp systems in place, which are strategically connected underground. The mining method selected for underground mining is a modified Avoca method comprising overhand bench and fill which requires the removal of mineral in vertical slices, starting from the bottom undercut and advancing upwards. When mineralised widths are greater than 3 m, a combination of bench and fill and room-and-pillar methods has been selected as the most appropriate for the conditions encountered. Mechanized mining uses a jumbo drill rig to drill blastholes, scooptrams for loading and trucks for ore haulage. Rock support is provided through rock bolts and shotcrete. The deposit width ranges from 13 m to 20 m for the three Magistral deposits. Mechanized mining is regarded as the only methodology suitable based on the geological structure and geotechnical studies to date. The mechanized mining cycle includes drilling (with a jumbo drill rig), blasting, ground support, loading (by scooptram) and haulage. A brief description of the mining method is as follows: 1. Ore is extracted from the stope in vertical slices that span the entire width and length of the stope using piv ........


Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

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Production:

CommodityProductUnits2022202120202019201820172016
Zinc Payable metal M lbs  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required575361
Lead Payable metal M lbs  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Silver Payable metal koz  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Zinc Equivalent Payable metal M lbs  ......  Subscription required ^  ......  Subscription required  ......  Subscription required
Zinc Concentrate kt 656167
Lead Concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required
^ Guidance / Forecast.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202120202019201820172016
Ore tonnes mined  ......  Subscription required  ......  Subscription required775,088 t750,970 t681,785 t716,893 t
Tonnes milled  ......  Subscription required  ......  Subscription required875,680 t803,265 t839,546 t863,307 t
Daily mining capacity  ......  Subscription required  ......  Subscription required2,000 t of ore
Daily milling capacity  ......  Subscription required  ......  Subscription required2,000 t2,000 t2,000 t2,000 t
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Reserves at December 31, 2021:
Mineral Resources are reported above a US$40 NSR cut-off.

CategoryTonnage CommodityGrade
Indicated 1,791 kt Copper 0.1 %
Measured & Indicated 4,174 kt Zinc 5.63 %
Measured & Indicated 4,174 kt Lead 0.3 %
Measured & Indicated 4,174 kt Silver 20.74 g/t
Inferred 4,790 kt Zinc 4.7 %
Inferred 4,790 kt Lead 0.07 %
Inferred 4,790 kt Silver 10.51 g/t
Inferred 3,189 kt Copper 0.15 %

Commodity Production Costs:

CommodityUnits2022202120202019201820172016
Site cash costs (produced) Zinc Equivalent USD 0.49 / lb   0.32 / lb  
Total cash costs Zinc Equivalent USD 0.76 / lb   0.75 / lb  
Total cash costs Zinc USD  ......  Subscription required ^†  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 0.72 / lb†   0.67 / lb†  
All-in sustaining costs (AISC) Zinc USD  ......  Subscription required ^†  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 0.99 / lb†   0.95 / lb†  
^ Guidance / Forecast.
† Net of By-Product.
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Operating Costs:

Units20192018201720162015
Total operating costs ($/t milled) USD 454340.234.242.7

Financials:

Units202120202019201820172016
Sustaining costs M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 15.5   15.1   9.3  
Revenue M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 65.2   72.2   66.7  
Gross profit M USD 23.1   22.3  
EBIT M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required -72.4   22.8  
EBITDA M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required -61.5   34.5  
Subscription required - Subscription is required



Heavy Mobile Equipment as of December 31, 2021:
HME TypeModelSizeQuantity
Drill jumbo (two boom) ....................... Subscription required
Grader ....................... Subscription required
Jumbo ....................... Subscription required ....................... Subscription required
Jumbo ....................... Subscription required ....................... Subscription required
Rock bolter ....................... Subscription required
Scaler ....................... Subscription required
Scoop Tram ....................... Subscription required 6.3 cu. yd ....................... Subscription required
Shotcreter ....................... Subscription required ....................... Subscription required
Telescopic Handler ....................... Subscription required
Tractor trailer 50 t
Trans Mixer ....................... Subscription required 4 cu. m ....................... Subscription required
Truck (boom) ....................... Subscription required
Truck (service) ....................... Subscription required
Truck (underground) 14 cu. m ....................... Subscription required
Truck (water) ....................... Subscription required
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Dec 31, 2021
....................... Subscription required ....................... Subscription required Subscription required Dec 31, 2021
....................... Subscription required ....................... Subscription required Subscription required Jan 10, 2023
....................... Subscription required ....................... Subscription required Subscription required Oct 14, 2022
....................... Subscription required ....................... Subscription required Subscription required Jan 10, 2023
....................... Subscription required ....................... Subscription required Subscription required Oct 14, 2022
....................... Subscription required ....................... Subscription required Subscription required Oct 14, 2022
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
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 Subscription required Subscription required 2017
Subscription required 2016

Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2022
Fact Sheet 2022
Press Release 2022
................................... Subscription required 2021
................................... 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
................................... Subscription required 2019
Annual Information Form 2018
Management Discussion & Analysis 2018
Press Release 2018
Annual Information Form 2017
Corporate Presentation 2017
Management Discussion & Analysis 2017
Technical Report 2017
Annual Information Form 2016
Management Discussion & Analysis 2016
Other 2016
Press Release 2016
Management Discussion & Analysis 2015
Technical Report 2013
Technical Report 2012
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