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Mauritania
Guelb Moghrein Mine

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 Location:
246 km NE from Nouakchott, Mauritania

  Regional Office:
llot D49 Tevrag Zeina
Nouakchott
Mauritania
BP 5045
Phone  ...  Subscription required
Fax+222-524-4735
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Copper
  • Gold
  • Iron (magnetite)
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life3 years (as of Jan 1, 2021)


Owners

Source: p. 8, 57
CompanyInterestOwnership
First Quantum Minerals Ltd. 100 % Indirect
Mauritanian Copper Mines Sarl (operator) 100 % Direct
The First Quantum Minerals Ltd. currently holds a 100% interest in Guelb Moghrein through its subsidiary, Mauritanian Copper Mines S.A.

Contractors

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Deposit Type

  • IOCG


Summary:

Guelb Moghrein mineralisation may be classed as a structurally modified iron ore copper gold (IOCG) deposit that is hosted in a coarse grained ferro-magnesian carbonate (FMC) unit. Copper and gold mineralisation is largely coincident with some evidence for elevated gold in the shallow mined out upper zones. The main sulphide minerals are chalcopyrite and pyrrhotite with magnetite becoming more abundant external to the sulphide bodies. The zones of mineralisation were strongly controlled by tectonic shearing and faulting which resulted in topographic expressions of the deposit in the form of two hills known as the Occidental and Oriental hills. Mineralisation below Occidental hill is considerably larger than that at Oriental, and dips by about 20 degrees to the south with a strike length close to 700 m and a dip extent of close to 1,000 m. The Occidental mineralised vertical width varies according to structural controls and ranges from a few meters to several 10’s of metres. The mineralisation below Oriental hill is limited to the shallow outcropping area of the hill and has an ellipsoid shape with a strike length of around 250 m and a width of about 100 m.

The FMC unit is the primary host of Guelb mineralisation and is comprised mainly of chalcopyrite and pyrrhotite within the un-oxidised zone. Other minerals include iron-cobalt-nickel arsenides and bismuth-gold-silver-tellurides. Gold is largely coincident and associated with chalcopyrite.

A shallow (< ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

Mining at Guelb Moghrein is conventional open cast mining using hydraulic excavators and mechanical drive haul trucks. Mining is owner operated, with fully equipped training facilities for operators and maintenance workshops. Maintenance of all mining equipment is supported by service technicians and engineers who are the original-equipment-manufacturer’s (OEM) personnel contracted to site.

Waste is trucked onto waste dumps in the vicinity of the open pit, while ore is trucked to the Process Plant for direct feeding into the primary crusher or onto the Run-of-Mine (ROM) Pad.

On average, sufficient ore is exposed in the pit for one to two months feed to the plant; stockpiling and rehandling is minimized to maintain high efficiencies.


Crushing and Grinding
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Processing

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Summary:

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Production:

CommodityProductUnits2022202120202019201820172016
Copper Metal in copper conc. t  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required28,13728,79132,818
Gold Metal in copper conc. oz  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Iron (magnetite) Concentrate kt  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
^ Guidance / Forecast.
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Operational Metrics:

Metrics202220212020201920182017
Annual processing capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required4 Mt4 Mt
Ore tonnes mined  ......  Subscription required  ......  Subscription required  ......  Subscription required5,124 kt1,590 kt3,104 kt
Waste  ......  Subscription required  ......  Subscription required  ......  Subscription required11,133 kt15,062 kt14,052 kt
Tonnes processed  ......  Subscription required  ......  Subscription required  ......  Subscription required3,851 kt3,684 kt3,389 kt
^ Guidance / Forecast.
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Reserves at December 31, 2021:
The Mineral Reserve estimate is based on a copper equivalent cut-off grade of 0.59% CuEq using the long term consensus price of $3.00/lb for copper and a gold price of $1,200/oz. Low grade stockpiles are shown to be economic at the 0.59% CuEq cut-off grade.

Mineral Resources reported using 0.5% CuEq cut-off grade.

CategoryOreTypeTonnage CommodityGrade
Proven & Probable Sulphide 5.4 Mt Copper 0.51 %
Proven & Probable Sulphide 5.4 Mt Gold 0.54 g/t
Measured & Indicated Stockpiles 10.7 Mt Copper 0.88 %
Measured & Indicated Sulphide 10.7 Mt Copper 0.87 %
Measured & Indicated Oxide 0.4 Mt Copper 1.02 %
Measured & Indicated Stockpiles 10.7 Mt Gold 0.84 g/t
Measured & Indicated Sulphide 10.7 Mt Gold 0.67 g/t
Measured & Indicated Oxide 0.4 Mt Gold 1.11 g/t
Inferred Sulphide 0.6 Mt Copper 0.91 %
Inferred Oxide 1.2 Mt Copper 0.74 %
Inferred Sulphide 0.6 Mt Gold 0.67 g/t
Inferred Oxide 1.2 Mt Gold 2.52 g/t

Commodity Production Costs:

CommodityUnits202120202019201820172016
Credits (by-product) Copper USD  ......  Subscription required  ......  Subscription required -1.14 / lb   -1 / lb   -0.96 / lb  
All-in sustaining costs (AISC) Copper USD  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 1.93 / lb†   1.65 / lb†   1.51 / lb†  
C1 cash costs Copper USD  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 1.5 / lb†   1.28 / lb†   0.93 / lb†  
C3 fully allocated costs Copper USD  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 2.46 / lb†   2.13 / lb†   1.68 / lb†  
† 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 15   13   30  
Revenue M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 235   217   213  
Operating Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 21   39   36  
Gross profit M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 30   41   45  
EBITDA M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 66   83   87  
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Heavy Mobile Equipment:

Mine Management:

Job TitleNamePhoneEmailProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jun 6, 2022
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required May 23, 2022
....................... Subscription required ....................... Subscription required Subscription required Jun 6, 2022
....................... Subscription required ....................... Subscription required Subscription required Jun 6, 2022
....................... Subscription required ....................... Subscription required Subscription required Jun 6, 2022
....................... Subscription required ....................... Subscription required Subscription required Jun 6, 2022
....................... Subscription required ....................... Subscription required Subscription required Jun 6, 2022
....................... Subscription required ....................... Subscription required Subscription required Jun 6, 2022
Subscription required - Subscription is required.

Staff:

Total WorkforceYear
Subscription required 2021
Subscription required 2020
Subscription required 2019
Subscription required 2017
Subscription required 2016
Subscription required 2015

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Management Discussion & Analysis 2018
Press Release 2018
Annual Information Form 2017
Annual Report 2017
Annual Report 2016
Technical Report 2016
Annual Report 2015
Annual Report 2014
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