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Canada
Lamaque Mine

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 Location:
1 km E from Val-d'Or, Quebec, Canada

  Address:
1000, voie de Service Goldex-Manitou
Val-d'Or
Quebec, Canada
J9P 4P4
Phone  ...  Subscription required
Fax819-874-0051
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
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  • Filings & News

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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Gold
Mining Method
  • Drift & Fill
  • Longhole open stoping
  • Cemented backfill
  • Paste backfill
Production Start...
Mine Life5.5 years (as of Jan 1, 2021)
Eldorado declared commercial production at Lamaque on March 31, 2019.


Owners

Source: p. 20
CompanyInterestOwnership
Eldorado Gold Corp. 100 % Indirect
Eldorado Gold Corporation (Eldorado) owns the Lamaque Project (the Project) in Quebec, Canada through its wholly owned subsidiary, Eldorado Gold Québec.

Contractors

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Deposit Type

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


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

  • Drift & Fill
  • Longhole open stoping
  • Cemented backfill
  • Paste 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:

- subscription is required.

^ Guidance / Forecast.

Production:

CommodityUnits2022202120202019
Gold koz  ......  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  ......  Subscription required
Tonnes milled  ......  Subscription required  ......  Subscription required  ......  Subscription required452,092 t
Daily mining capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required
Plant annual capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required
Daily milling capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required2,200 t
^ Guidance / Forecast.
Subscription required - Subscription is required.

Reserves at September 30, 2021:
Mineral resource cut-off grade 3.0 g/t Au;
Mineral reserve cut-off grade 4.38 g/t Au.

CategoryTonnage CommodityGradeContained Metal
Proven 502 kt Gold 8.02 g/t 129 koz
Probable 4,154 kt Gold 7.2 g/t 962 koz
Proven & Probable 4,656 kt Gold 7.29 g/t 1,091 koz
Measured 876 kt Gold 9.49 g/t 267 koz
Indicated 6,246 kt Gold 8.32 g/t 1,670 koz
Measured & Indicated 7,122 kt Gold 8.46 g/t 1,937 koz
Inferred 8,880 kt Gold 6.87 g/t 1,962 koz

Commodity Production Costs:

CommodityUnits2022202120202019
Cash costs (sold) Gold USD  ......  Subscription required ^†  ......  Subscription required†  ......  Subscription required†  ......  Subscription required†
All-in sustaining costs (sold) Gold USD  ......  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
Subscription required - Subscription is required.

Financials:

Units2022202120202019
Capital expenditures (planned) M USD  ......  Subscription required
Growth Capital M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required
Sustaining costs M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required
Revenue M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required
Earnings M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required



Heavy Mobile Equipment as of December 31, 2021:
HME TypeModelSizeQuantityStatus
Bolter ....................... Subscription required ....................... Subscription required Proposed
Drill (long hole) ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Drill jumbo (two boom) ....................... Subscription required ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Grader ....................... Subscription required ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Loader ....................... Subscription required 10 cu. yd ....................... Subscription required Existing
Load-Haul-Dump (LHD) ....................... Subscription required 14 cu. yd ....................... Subscription required Existing
Load-Haul-Dump (LHD) ....................... Subscription required 14 cu. yd ....................... Subscription required Existing
Load-Haul-Dump (LHD) ....................... Subscription required 8 cu. yd ....................... Subscription required Existing
Load-Haul-Dump (LHD) ....................... Subscription required 6 cu. yd ....................... Subscription required Existing
Load-Haul-Dump (LHD) ....................... Subscription required 4 cu. yd ....................... Subscription required Existing
Scissor Lift ....................... Subscription required ....................... Subscription required Existing
Truck (boom) ....................... Subscription required ....................... Subscription required Existing
Truck (haul) ....................... Subscription required 45 t ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Truck (haul) ....................... Subscription required 42 t ....................... Subscription required Existing
Truck (haul) ....................... Subscription required 30 t ....................... Subscription required Existing
Truck (haul) ....................... Subscription required 45 t ....................... Subscription required Existing
Truck (service) ....................... Subscription required ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Apr 12, 2022
....................... Subscription required ....................... Subscription required Subscription required Apr 12, 2022
....................... Subscription required ....................... Subscription required Subscription required Apr 12, 2022
....................... Subscription required ....................... Subscription required Subscription required Apr 12, 2022
....................... Subscription required ....................... Subscription required Subscription required Apr 12, 2022
....................... Subscription required ....................... Subscription required Subscription required Apr 12, 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

Corporate Filings & Presentations:

DocumentYear
................................... 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
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