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Argentina
Cap-Oeste Mine

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 Location:
155 km SE from Perito Moreno, Argentina

  Regional Office:
Av. Del Libertador 498 Piso 26
Buenos Aires
Argentina
C1001ABR
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  • Overview
  • Owners
  • Geology
  • Mining
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Overview

StatusCare and Maintenance
Mine TypeOpen Pit & Underground
Commodities
  • Gold
  • Silver
Mining Method
  • Truck & Shovel / Loader
  • Longhole open stoping
Production Start...
Cap-Oeste has been on care and maintenance since February 2019 though residual leaching continues.

On March 9, 2021, the Company announced that it had obtained definitive permits for the development of the Cap-Oeste Property.

The Company has initiated a pre-feasibility study to assess the potential technical and economic extraction of mineral resources. The Company is now focused on evaluating the development of these mineral resources by underground mining.

Company has commenced extraction of minerals at the Cap-Oeste, the Company does not have defined mineral reserves as defined under Regulation S-K, subpart 1300 and therefore all of the mining properties are considered to be in the exploration stage.


Owners

Source: p. 32-33
CompanyInterestOwnership
FOMICRUZ 4.7 % Indirect
Patagonia Gold Plc. 95.3 % Indirect
Patagonia Gold S.A (operator) 100 % Direct

Contractors

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Deposit Type

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


Summary:

Mineralisation
Gold and silver mineralisation at Cap Oeste is hosted by the northwest trending Cap Oeste Breccia Fault, which dips 75° to 90° to the southwest.

The drilling to date has defined a high-grade shoot, approximately 130 m long and 12 m to 15 m wide, situated in the interpreted southeast extension of the Bonanza Fault. The high-grade ore shoot pitches steeply to the west north-west over an approximate 120 m vertical interval, extending from 135 m to 255 m vertically below surface as currently defined by the drilling to date. Mapping, trench sampling and drilling has confirmed that the high-grade shoot is overlain by a broader (e.g. 20 m thick) zone of more diffuse lower grade, high Ag/Au ratio mineralisation and trace element anomalism.

The highest-grade Au-Ag mineralisation is hosted by a distinctive suite of sinuous to weakly bifurcating breccia, comprising argillic altered characteristically rounded fragments of volcanic host rock in a sulphide rich milled breccia matrix of fine-grained grey quartz, illite, and carbonaceous material. Precious metals occur as native metal, alloys and sulphides, in close association with base metal sulphides, pyrite, and arsenopyrite. These zones of very high-grade Au-Ag mineralisation are referred to by PGD as ‘hypogene’ mineralisation, or more commonly ‘COSE’ style mineralisation, as a reference to the nearby COSE au-ag mineralisation style to the south-east of Cap Oeste.

PGD geolo ........


Mining Methods

  • Truck & Shovel / Loader
  • Longhole open stoping


Summary:

The Cap-Oeste Project area is located in the central portion of Santa Cruz Province, in the Department of Rio Chico, southern Argentina

In 2014, an initial open pit design with a 24 month mine life was selected by PGD for development with the option to increase the project mine life to six years with the development of the underground production.

The Company has selected a low cost initial open pit design with heap leach processing facilities with the option to increase the project mine life to six years with the development of the two underground projects at Cap-Oeste and COSE.

The pit optimisation was carried out at a price of $1,300/oz Au and $20/oz Ag and has resulted in an increase in the current open-pit life for Cap-Oeste from two to three years, with the pit now forecast for depletion in Q3 2019 with a total ore production of 2.03Mt @ 2.99g/t Au and 138g/t Ag for a total recoverable estimated production of 136,000 oz of Au and 3.2M oz of Ag, equating to 186,800 oz AuEq. Pursuant to the pit optimisation, the proposal is to increase the size of the pit to mine the ore previously delineated for the Cap-Oeste underground pit, resulting in the overall material to be moved over the life of the mine increasing from 7.2Mt to 25.2Mt, which will also increase the strip ratio from 3.7 to 11.44 and the ore being mined increasing from 1.55Mt to 2.03Mt. In order to mine the increased material, additional fleet will be required to increase the mont ........


Crushing and Grinding


Processing

Source: Subscription required

Summary:

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Production:

CommodityUnits202120202019201820172016
Gold oz  ......  Subscription required  ......  Subscription required  ......  Subscription required2,908
Silver oz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Gold Equivalent oz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
All production numbers are expressed as metal in doré.
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Operational Metrics:

Metrics201820172016
Total tonnes mined 364,618 t750,000 t
Tonnes processed 220,000 t336,000 t
Waste 2.16 Mt

Reserves at December 31, 2018:
Mineral resources are estimated at a block cut-off grade of 0.5 g/t Au_equ.

CategoryTonnage CommodityGradeContained Metal
Measured 3 kt Gold 2.92 g/t 0.3 koz
Measured 3 kt Silver 46.7 g/t 5 koz
Measured 3 kt Gold Equivalent 3.59 g/t 0.4 koz
Indicated 10,554 kt Gold 2.07 g/t 704 koz
Indicated 10,554 kt Silver 63.2 g/t 21,448 koz
Indicated 10,554 kt Gold Equivalent 2.99 g/t 1,013 koz
Measured & Indicated 10,558 kt Gold 2.07 g/t 704 koz
Measured & Indicated 10,558 kt Silver 63.2 g/t 21,453 koz
Measured & Indicated 10,558 kt Gold Equivalent 2.99 g/t 1,013 koz
Inferred 4,895 kt Gold 1.37 g/t 215 koz
Inferred 4,895 kt Silver 34.7 g/t 5,467 koz
Inferred 4,895 kt Gold Equivalent 1.87 g/t 294 koz

Commodity Production Costs:

CommodityUnits202120202019
Cash costs Gold Equivalent USD  ......  Subscription required  ......  Subscription required  ......  Subscription required
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Financials:

Units202120202019201820172016
Revenue M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 48.1   23.9   1.5  
Gross profit M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 5.1   9.7   0.7  
Pre-tax Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 2.7   8   0  
After-tax Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 2.7   8   0  
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Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Aug 5, 2022
....................... Subscription required ....................... Subscription required Subscription required Aug 5, 2022
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Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
Technical Report 2018
Annual Report 2017
Corporate Presentation 2017
Annual Report 2016
Corporate Presentation 2016
Corporate Presentation 2012
Technical Report 2012
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