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Peru
Caylloma Mine

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 Location:
66 km SE from Espinar, Peru

  Regional Office:
Av. Jorge Chavez 154, piso 5, Miraflores
Lima
Peru
Phone  ...  Subscription required
Fax51-1-4229108
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Lead
  • Zinc
  • Silver
  • Gold
Mining Method
  • Cut & Fill
Processing
  • Flotation
Mine Life5 years (as of Jan 1, 2019)
Latest NewsFortuna announces resumption of production at the Caylloma Mine, Peru     July 28, 2020


Owners

Source: p. 3
CompanyInterestOwnership
Fortuna Silver Mines Inc. 100 % Indirect
Minera Bateas S.A.C. 100 % Direct
Since June 2005, the Caylloma Property has been 100 percent owned by Minera Bateas S.A.C., a Peruvian subsidiary of Fortuna Silver Mines Inc.

Deposit Type

  • Epithermal
  • Vein / narrow vein


Summary:

The Caylloma Mine is within the historical mining district of Caylloma, northwest of the Caylloma caldera complex and southwest of the Chonta caldera complex. Host rocks at the Caylloma Mine are volcanic in nature, belonging to the Tacaza Group. Mineralization is in the form of low to intermediate sulfidation epithermal vein systems.

Epithermal veins at the Caylloma Mine are characterized by minerals such as pyrite, sphalerite, galena, chalcopyrite, marcasite, native gold, stibnite, argentopyrite and silver-bearing sulfosalts (tetrahedrite, polybasite, pyrargyrite, stephanite, stromeyerite, jalpite, miargyrite and bournonite). These are accompanied by gangue minerals, such as quartz, rhodonite, rhodochrosite, johannsenite (manganese pyroxene) and calcite.

Mineralization vein systems occurs in steeply dipping ore shoots ranging up to several hundred meters (“m”) long with vertical extents of over 400 m. Veins range in thickness from a few centimeters (“cm”) to 20 m, averaging approximately 1.5 m for silver veins and 2.5 m for polymetallic veins.


Mining Methods

  • Cut & Fill


Summary:

The mining method applied in the exploitation of the two main veins (Animas and Bateas) is overhand cut-and-fill using either mechanized, semi-mechanized or conventional extraction methods. All mining is undertaken in a southwest to northeast direction following the strike of the veins. Production capacity at the mine is 1,430 tonnes per day (tpd) since the upgrade to the plant in March 2016 but has the potential of achieveing 1,500 tpd.

Mechanized mining utilizes a jumbo drill rig and scoop tram for loading. The ore haulage is performed by a combination of locomotives and trucks. Rock support is applied through rock bolts and shotcrete. The average mining width ranges between 3.5 m and 17 m. Mechanized mining is regarded as only being suitable for the Animas vein based on the geological structure and geotechnical studies. Approximately 90 percent of production comes from the Animas vein.

Semi-mechanized mining is performed using handheld drilling equipment (jacklegs) and scoops for loading. Ore haulage is performed by a combination of locomotives and dump trucks. Rock support is supplied using rock bolts installed using manual drilling and installation techniques. Semi-mechanized mining is applied to narrow veins with average widths between 0.8 m and 2.0 m.

Conventional mining is performed using handheld drilling equipment (jacklegs) and scrapers for loading. The ore haulage is done with trains and rail system and the support is applied with rock bolts in manual form. This system is applied in narrow veins with average widths between 0.5 m and 0.8 m.

The underground mine is operated by a mining contractor selected by Minera Bateas based on a competitive bidding process. The scope of work for the mining contractor generally includes mine decline and raise development, stope preparation development, stoping, backfilling, and all related services required for the operation of a 1,500 tpd narrow vein silver-gold-lead-zinc mine.


Crushing and Grinding


Processing

  • Flotation

Flow Sheet: Subscription required

Summary:

The Bateas processing plant is a typical flotation operation and consists of five stages: crushing; milling; flotation; thickening and filtering and tailings disposal. Each of the main stages is comprised of multiple sub-stages. A summary of each stage is as follows:

- Crushing: includes three stages, primary, secondary, and tertiary

- Milling: includes two stages, primary and secondary

- Flotation: consists of two operating flotation circuits (lead–silver, and zinc) and one copper flotation circuit on standby

- Thickening and filtering are performed separately for the concentrates, which after filtering undergo a drying process before being placed in their respective storage bins to await transportation

- Tailings disposal: Final tailings are classified through cyclones. The coarse fraction (underflow) is placed onto a concrete pad and transported to the mine to be used as hydraulic fill. The finer fraction (overflow) is pumped to ........

Recoveries & Grades:

CommodityParameter2019201820172016201520142013
Lead Recovery Rate, %  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Lead Head Grade, % 2.722.622.813.062.471.71.92
Zinc Recovery Rate, %  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Zinc Head Grade, % 4.364.284.214.253.842.972.83
Silver Recovery Rate, %  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Silver Head Grade, g/t 66636690136174173
Gold Recovery Rate, %  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Gold Head Grade, g/t 0.230.180.180.20.260.310.36
Subscription required - Subscription is required.

Production:

CommodityProductUnits202020192018201720162015
Lead Metal in concentrate M lbs  ......  Subscription required ^  ......  Subscription required  ......  Subscription required303324
Zinc Metal in concentrate M lbs  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Silver Metal in concentrate oz  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Gold Metal in concentrate oz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Silver Equivalent Payable metal oz  ......  Subscription required  ......  Subscription required  ......  Subscription required
Lead Concentrate t
Zinc Concentrate t
^ Guidance / Forecast.
Subscription required - Subscription is required.

Operational Metrics:

Metrics201920182017201620152014
Tonnes milled  ......  Subscription required  ......  Subscription required  ......  Subscription required514,828 t466,286 t464,823 t
Daily milling rate  ......  Subscription required  ......  Subscription required  ......  Subscription required1,438 t1,306 t1,302 t
Daily mining capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required1,430 t of ore
Daily milling capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required1,500 t
Subscription required - Subscription is required.

Reserves at December 31, 2019:

CategoryTonnage CommodityGradeContained Metal
Proven 99 kt Lead 2.19 %
Proven 99 kt Zinc 3.09 %
Proven 99 kt Silver 101 g/t 0.3 M oz
Proven 99 kt Gold 0.34 g/t 1 koz
Probable 2,361 kt Lead 2.41 %
Probable 2,361 kt Zinc 3.86 %
Probable 2,361 kt Silver 80 g/t 6.1 M oz
Probable 2,361 kt Gold 0.2 g/t 15 koz
Proven & Probable 2,460 kt Lead 2.41 %
Proven & Probable 2,460 kt Zinc 3.83 %
Proven & Probable 2,460 kt Silver 81 g/t 6.4 M oz
Proven & Probable 2,460 kt Gold 0.21 g/t 16 koz
Measured 681 kt Lead 1.96 %
Measured 681 kt Zinc 3.28 %
Measured 681 kt Silver 110 g/t 2.4 M oz
Measured 681 kt Gold 0.37 g/t 8 koz
Indicated 1,671 kt Lead 1.56 %
Indicated 1,671 kt Zinc 2.96 %
Indicated 1,671 kt Silver 104 g/t 5.6 M oz
Indicated 1,671 kt Gold 0.31 g/t 17 koz
Measured & Indicated 2,352 kt Lead 1.67 %
Measured & Indicated 2,352 kt Zinc 3.06 %
Measured & Indicated 2,352 kt Silver 106 g/t 8 M oz
Measured & Indicated 2,352 kt Gold 0.33 g/t 25 koz
Inferred 4,056 kt Lead 2.58 %
Inferred 4,056 kt Zinc 4 %
Inferred 4,056 kt Silver 112 g/t 14.6 M oz
Inferred 4,056 kt Gold 0.37 g/t 48 koz

Commodity Production Costs:

CommodityUnits20202019201820172016
Cash costs Silver Equivalent USD  ......  Subscription required  ......  Subscription required 7.73 / oz
Cash costs Silver USD  ......  Subscription required† -34.56 / oz† -6.78 / oz†
All-in sustaining costs (AISC) Silver Equivalent USD  ......  Subscription required ^  ......  Subscription required  ......  Subscription required 11.2 / oz
All-in sustaining costs (AISC) Silver USD -13.04 / oz† 4.34 / oz†
All-in costs Silver Equivalent USD  ......  Subscription required  ......  Subscription required 11.2 / oz
All-in costs Silver USD -13.04 / oz† 6.74 / oz†
^ Guidance / Forecast.
† Net of By-Product.
Subscription required - Subscription is required.

Operating Costs:

Units2019201820172016201520142013
UG mining costs ($/t milled) USD 41.341.440.435.3
Processing costs ($/t milled) USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Total operating costs ($/t milled) USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Financials:

Units20202019201820172016201520142013
Capital expenditures (planned) M USD  ......  Subscription required
Sustaining costs M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 7.14   8.92   17.7  
Capital expenditures M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 9.93   9.7   21.7  
Revenue M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 53.8   66.1   72.3  
Operating Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 24.8  
EBITDA M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 10  
Subscription required - Subscription is required


Proposed Heavy Mobile Equipment as of March 8, 2019:
HME TypeModelSizeQuantity
Bulldozer ....................... Subscription required 1
....................... Subscription required 2
....................... Subscription required ....................... Subscription required ....................... Subscription required 1
....................... Subscription required ....................... Subscription required 1
....................... Subscription required ....................... Subscription required 5
....................... Subscription required ....................... Subscription required ....................... Subscription required 2
....................... Subscription required ....................... Subscription required ....................... Subscription required 5
....................... Subscription required ....................... Subscription required ....................... Subscription required 1
....................... Subscription required ....................... Subscription required ....................... Subscription required 1
....................... Subscription required ....................... Subscription required ....................... Subscription required 1
....................... Subscription required ....................... Subscription required ....................... Subscription required 1
....................... Subscription required ....................... Subscription required 3
....................... Subscription required ....................... Subscription required ....................... Subscription required 11
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required May 4, 2020
....................... Subscription required ....................... Subscription required Subscription required May 4, 2020
....................... Subscription required ....................... Subscription required Subscription required May 4, 2020
....................... Subscription required ....................... Subscription required Subscription required May 4, 2020
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2018
................................... Subscription required 2018
................................... Subscription required 2018
Corporate Presentation 2017
Management Discussion & Analysis 2017
Technical Report 2017
Form 40-F 2016
Management Discussion & Analysis 2016
Management Discussion & Analysis 2014
Subscription required - Subscription is required.

News:

NewsDate
Fortuna announces resumption of production at the Caylloma Mine, Peru July 28, 2020
Fortuna reports death of contractor employee at the Caylloma Mine, Peru July 6, 2020
Fortuna provides an update on its operations at the Caylloma Mine in Peru April 27, 2020
Fortuna Updates Mineral Reserves and Mineral Resources March 26, 2020

Aerial view:

Subscription required - Subscription is required.

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