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Canada
Lamaque Operation

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 Location:
1 km E from Val-d'Or, Quebec, Canada
  Address:
300, 3e Avenue Est
Val-d'Or
Quebec, Canada
J9P 0J6
Phone  ...  Subscription required
Fax819-874-0051
WebsiteWeb
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  • Overview
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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Gold
Mining Method
  • Longhole open stoping
  • Cemented backfill
  • Backfill
Production Start...
Mine Life5.5 years (as of Jan 1, 2021)
The Lamaque Operations include significant fixed infrastructure in place at the Triangle deposit and the Sigma mill.

Planned activities at the Lamaque Project for 2023 include the continuation of the waste stripping campaign, the expansion of the North Leach Pad, construction of the North adsorption-desorption and recovery plant, agglomeration, and onsite building relocation efforts for pit expansion.

Owners

Source: p. 8,48,52
CompanyInterestOwnership
Eldorado Gold Corp. 100 % Indirect
Eldorado Gold Corporation owns the Lamaque Project in Quebec, Canada through its wholly-owned subsidiary, Eldorado Gold Québec.

Contractors

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Deposit Type

  • Vein / narrow vein

Summary:

The gold deposits in the Val-d’Or area are consistent with the orogenic gold model. Orogenic gold deposits are typically distributed along first-order compressional to transpressional crustal-scale fault zones that mark the convergent margins between major lithological and/or tectonic boundaries such as the Larder Lake–Cadillac Fault Zone.

Most orogenic gold deposits in Archean terranes are hosted in greenstone belts. In the Lamaque Project area, competency contrasts are the most important localizing host rock control. At Lamaque and Triangle the intersection of shear zones with late diorite to granodiorite plugs host the main gold-bearing veins, whereas at Sigma and Ormaque a syn-volcanic diorite (the C-porphyry) hosts mineralization near the sheared contact with the surrounding volcaniclastic rocks.

Orogenic gold deposits develop in response to shear failure, extensional failure and/or hybrid extensional shear failure. In the Lamaque Project area both shear veins and extension veins are widely recognized, and their identification is important to constrain vein geometries and ore shoots. In the Triangle deposits the main C vein structures are steeply dipping shear veins and host the bulk of the resource, whereas in the Ormaque deposit gently dipping extension veins contain most of the ore.

Sigma Mine
Auriferous veins at the Sigma mine consist of quartz and tourmaline with lesser carbonates, muscovite, pyrite, scheelite, chlorite and ch ........

Mining Methods

  • Longhole open stoping
  • Cemented backfill
  • Backfill

Summary:

The deposits that currently make up the Lamaque property include:
- Upper Triangle (zones C1 to C5);
- Lower Triangle (zones C6 to C10);
- Parallel;
- Ormaque;
- Plug No 4.

The primary mining method that is currently used at Lamaque is mechanized longhole stoping. The existing mobile equipment fleet of conventional equipment, mine infrastructure, and services, as well as workforce skillsets are based on longhole, and this method will continue to be used. Ore is transferred to surface using 45-tonne rated underground haulage trucks in the newly developed Sigma Ramp to the surface ore pad near the Sigma mill facility.

The current longhole stoping mining method will be maintained in the proposed mining of the Lower Triangle deposit.

In the proposed mining of the Ormaque deposit, drift and fill (DAF) mining methods will be employed due to the shallowly-dipping orientation of the mineralized zones, allowing for near-complete recovery of mineralization and providing better selectivity while allowing low grade material to be left in the stopes. New low-profile mining equipment will be required to reduce mining heights to 2.4m and reduce external dilution.

The mine operation is currently using cemented rockfill (CRF) and unconsolidated rockfill as backfill. In the proposed Lower Triangle and Ormaque mine plans, addition of a paste fill plant is included in the growth capital to provide cemented paste fill. Minera ........

Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

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^ Guidance / Forecast.

Production:

CommodityUnits20232022202120202019
Gold koz  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
All production numbers are expressed as metal in doré. ^ Guidance / Forecast.
Subscription required - Subscription is required.

Operational Metrics:

Metrics2022202120202019
Ore tonnes mined
Tonnes milled  ......  Subscription required  ......  Subscription required  ......  Subscription required452,092 t
Daily milling capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required2,200 t
Daily mining capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required
^ Guidance / Forecast.
Subscription required - Subscription is required.

Reserves at September 30, 2022:
Mineral resource cut-off grade 3.0 g/t Au;
Mineral reserve cut-off grade 4.69 g/t Au.

CategoryTonnage CommodityGradeContained Metal
Proven 877 kt Gold 6.82 g/t 192 koz
Probable 3,753 kt Gold 6.57 g/t 793 koz
Proven & Probable 4,630 kt Gold 6.62 g/t 985 koz
Measured 1,125 kt Gold 9.14 g/t 331 koz
Indicated 5,978 kt Gold 7.68 g/t 1,475 koz
Measured & Indicated 7,103 kt Gold 7.91 g/t 1,806 koz
Inferred 10,003 kt Gold 7.32 g/t 2,354 koz

Commodity Production Costs:

CommodityUnits20232022202120202019
Cash costs (sold) Gold USD  ......  Subscription required ^†  ......  Subscription required†  ......  Subscription required†  ......  Subscription required†  ......  Subscription required†
All-in sustaining costs (sold) Gold USD  ......  Subscription required†  ......  Subscription required†  ......  Subscription required†  ......  Subscription required†
^ Guidance / Forecast.
† Net of By-Product.
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Operating Costs:

Units20202019
UG mining costs ($/t milled) USD 75.966.6
Processing costs ($/t milled) USD  ......  Subscription required  ......  Subscription required
G&A ($/t milled) USD  ......  Subscription required  ......  Subscription required
Total operating costs ($/t milled) USD  ......  Subscription required  ......  Subscription required
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Financials:

Units20232022202120202019
Capital expenditures (planned) M USD  ......  Subscription required
Growth Capital M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Sustaining costs M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Revenue M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Earnings M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
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Pipelines and Water Supply
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Heavy Mobile Equipment:
HME TypeModelSizeQuantityStatusRef. Date
Bolter ....................... Subscription required ....................... Subscription required Proposed Dec 31, 2021
Drill (long hole) ....................... Subscription required Existing Dec 31, 2021
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed Dec 31, 2021
Drill jumbo (two boom) ....................... Subscription required ....................... Subscription required Existing Dec 31, 2021
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed Dec 31, 2021
Grader ....................... Subscription required ....................... Subscription required Existing Dec 31, 2021
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed Dec 31, 2021
Loader ....................... Subscription required 10 cu. yd ....................... Subscription required Existing Dec 31, 2021
Load-Haul-Dump (LHD) ....................... Subscription required 14 cu. yd ....................... Subscription required Existing Dec 31, 2021
Load-Haul-Dump (LHD) ....................... Subscription required 14 cu. yd ....................... Subscription required Existing Dec 31, 2021
Load-Haul-Dump (LHD) ....................... Subscription required 8 cu. yd ....................... Subscription required Existing Dec 31, 2021
Load-Haul-Dump (LHD) ....................... Subscription required 6 cu. yd ....................... Subscription required Existing Dec 31, 2021
Load-Haul-Dump (LHD) ....................... Subscription required 4 cu. yd ....................... Subscription required Existing Dec 31, 2021
Scissor Lift ....................... Subscription required ....................... Subscription required Existing Dec 31, 2021
Truck (boom) ....................... Subscription required ....................... Subscription required Existing Dec 31, 2021
Truck (haul) ....................... Subscription required 45 t ....................... Subscription required Existing Dec 31, 2021
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed Dec 31, 2021
Truck (haul) ....................... Subscription required 42 t ....................... Subscription required Existing Dec 31, 2021
Truck (haul) ....................... Subscription required 30 t ....................... Subscription required Existing Dec 31, 2021
Truck (haul) ....................... Subscription required 45 t ....................... Subscription required Existing Dec 31, 2021
Truck (service) ....................... Subscription required ....................... Subscription required Existing Dec 31, 2021
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed Dec 31, 2021
Truck (underground) ....................... Subscription required 50 t ....................... Subscription required Existing Mar 24, 2023
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required May 4, 2023
....................... Subscription required ....................... Subscription required Subscription required May 4, 2023
....................... Subscription required ....................... Subscription required Subscription required May 4, 2023
....................... Subscription required ....................... Subscription required Subscription required May 4, 2023
....................... Subscription required ....................... Subscription required Subscription required May 4, 2023
....................... Subscription required ....................... Subscription required Subscription required May 4, 2023
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required Subscription required 2022
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

Corporate Filings & Presentations:

DocumentYear
Other 2023
Press Release 2023
Annual Information Form 2022
Form 40-F 2022
Management Discussion & Analysis 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
Form 40-F 2018
Pre-Feasibility Study Report 2018
Press Release 2018
Form 40-F 2017
Press Release 2017
Press Release 2017
Technical Report 2017
Subscription required - Subscription is required.

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