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Canada
Eleonore Mine

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 Location:
230 km NE from Fort-Rupert, Quebec, Canada

  Address:
1, Mayaupiu Road
Wemindji
Quebec, Canada
J0M 1L0
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  • Overview
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  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Gold
Mining Method
  • Open stoping
  • Transverse open stoping
  • Longitudinal retreat
  • Paste backfill
Production Start...
Mine Life2026


Owners

Source: p. 39
CompanyInterestOwnership
Newmont Corp. 100 % Indirect
Les Mines Opinaca Ltée. (operator) 100 % Direct
The operating entity for the operations is a wholly-owned subsidiary of Goldcorp Inc., Les Mines Opinaca Ltée.

On April 18, 2019, Newmont Mining Corp. and Goldcorp Inc. completed their merger to form Newmont Goldcorp Corp.

Contractors

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Deposit Type

  • Breccia pipe / Stockwork
  • Sediment-hosted


Summary:

The Éléonore Operations host the Roberto gold deposit, which consists of the Roberto, East Roberto, and Zone du Lac lenses.

The Roberto deposit is a clastic sediment-hosted stockwork-disseminated gold deposit.

Roberto Deposit
The Roberto deposit has historically been divided into the Roberto, Roberto East, Zone du Lac, North and Hanging Wall Zones. This nomenclature is based on their geographical location and the main alteration types observed. All of the zones are made up of many individual mineralized lenses.

The host rock of the mineralized zones is typically a thinly-bedded greywacke (bed thickness approximately 10 cm) near the contact with a massive greywacke unit, and locally, with a thin conglomerate unit. The steeply east-dipping Roberto East fault, marked by a thin black tourmaline marker band, forms the eastern limit of the mineralized vein cluster.

The structural hanging wall of the mineralized zones is characterized by a greywacke containing centimetre-scale aluminosilicate porphyroblasts overlain by a thin conglomerate unit. The aluminosilicate-bearing greywacke and the conglomerate appear tightly folded, with axes generally oriented in the east–west direction and refolded by the F2 event. This folding is in sharp contrast with the generally north– south-trending bedding in the mineralized zones. The structural footwall of the mineralized zones is characterized by greywacke, locally exhibiting a higher metamorphic ........


Mining Methods

  • Open stoping
  • Transverse open stoping
  • Longitudinal retreat
  • Paste backfill


Summary:

The current mining method is longitudinal longhole retreat stoping, with sublevel intervals at 30 m spacing. The mine has been divided into seven mining horizons to allow for several simultaneously-active mining fronts.

As of October 2018, ramp development reaches a depth of approximately 1,130 m from surface while production had started in Horizon 5, on the 980 m Level.

The main infrastructure, including the production shaft, is located in the orebody hanging wall. There are four access points, consisting of the surface portal with an internal ramp, and three level accesses from the production shaft on the 400, 650 and 1140 m Levels.

Each level has electrical bays, sumps, ventilation accesses, backfill accesses, a refuge station and dumping bays. The main haulage drifts are located in the orebody hanging wall and are positioned 30 m from the expected ore contours. Ore access points (i.e. drawpoints) are situated about 100 m apart and each has a backslash at the intersection with the main haulage drift to allow for efficient truck loading.

The ramp is driven at a maximum gradient of -17% and is positioned to cross predicted faults in a perpendicular manner.

For mine scheduling purposes, the vertical extent of the orebody is subdivided into two parts: the upper part of the orebody located between 65 metres and 650 metres below surface (Upper Mine), and the lower part of the orebody located between 650 metres and 1,190 metr ........


Crushing and Grinding
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Processing

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Summary:

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Production:
Éléonore produced 246,000 ounces of gold in 2019 since the completion of the acquisition of the mine site as part of the Newmont Goldcorp transaction on April 18, 2019.

CommodityUnits2022202120202019201820172016
Gold koz  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required342305274
All production numbers are expressed as metal in doré. ^ Guidance / Forecast.
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Operational Metrics:

Metrics202120202019201820172016
Ore tonnes mined  ......  Subscription required  ......  Subscription required1,647 k tons1,688 kt
Tonnes milled  ......  Subscription required  ......  Subscription required1,654 k tons1,875 kt1,812 kt1,688 kt
Daily milling capacity  ......  Subscription required  ......  Subscription required7,000 t7,000 t7,000 t
Annual milling capacity  ......  Subscription required  ......  Subscription required2.55 Mt2.55 Mt
Daily ore mining rate  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Reserves at December 31, 2021:
Cut-off grade utilized in 2021 reserves not less than 4.30 gram per tonne.

CategoryTonnage CommodityGradeContained Metal
Proven 2,200 kt Gold 5.03 g/t 350 koz
Probable 9,000 kt Gold 5.06 g/t 1,470 koz
Proven & Probable 11,200 kt Gold 5.05 g/t 1,820 koz
Measured 300 kt Gold 5.72 g/t 50 koz
Indicated 1,700 kt Gold 4.73 g/t 260 koz
Measured & Indicated 2,000 kt Gold 4.86 g/t 310 koz
Inferred 3,800 kt Gold 5.28 g/t 650 koz

Commodity Production Costs:

CommodityUnits202220212020201920182017
Credits (by-product) Gold  ......  Subscription required
Total cash costs (sold) Gold USD  ......  Subscription required ^†  ......  Subscription required†  ......  Subscription required†  ......  Subscription required†
Total cash costs Gold USD 797 / oz†   841 / oz†  
All-in sustaining costs (sold) Gold USD  ......  Subscription required ^†  ......  Subscription required†  ......  Subscription required†  ......  Subscription required†
All-in sustaining costs (AISC) Gold USD 941 / oz†   1,095 / oz†  
^ Guidance / Forecast.
† Net of By-Product.
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Operating Costs:

Units20162015
UG mining costs ($/t mined) USD 65.273.6
Processing costs ($/t milled) USD  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Financials:

Units2022202120202019201820172016
Capital expenditures (planned) M USD  ......  Subscription required
Capital expenditures M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 72   110   94  
Sustaining costs M USD  ......  Subscription required  ......  Subscription required 47   71   28  
Revenue M USD  ......  Subscription required  ......  Subscription required 429   377   346  
Operating Income M USD  ......  Subscription required -12   -11   -43  
Pre-tax Income M USD  ......  Subscription required  ......  Subscription required
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Heavy Mobile Equipment as of November 30, 2018:
HME TypeModelQuantity
Backhoe ....................... Subscription required ....................... Subscription required
Cassette Truck ....................... Subscription required ....................... Subscription required
Deck & Boom Trucks ....................... Subscription required ....................... Subscription required
Drill (long hole) ....................... Subscription required ....................... Subscription required
Grader ....................... Subscription required ....................... Subscription required
Jumbo ....................... Subscription required ....................... Subscription required
Loader ....................... Subscription required ....................... Subscription required
Loader ....................... Subscription required ....................... Subscription required
Scissor Lift ....................... Subscription required ....................... Subscription required
Scoop Tram ....................... Subscription required ....................... Subscription required
Trans Mixer ....................... Subscription required ....................... Subscription required
Truck (underground) ....................... Subscription required ....................... Subscription required
Truck (underground) ....................... Subscription required ....................... Subscription required
Truck (underground) ....................... Subscription required ....................... Subscription required
Truck (underground) ....................... Subscription required ....................... Subscription required
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Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Sep 12, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 12, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 12, 2022
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Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required 2018
Subscription required 2017
Subscription required Subscription required 2015

Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2019
................................... Subscription required 2019
Management Discussion & Analysis 2018
Technical Report 2018
Year-end Mineral Reserves 2018
Annual Information Form 2017
Annual Report 2017
Press Release 2017
Press Release 2017
Annual Information Form 2016
Annual Report 2016
Corporate Presentation 2016
Annual Report 2015
Technical Report 2015
Year-end Mineral Reserves 2015
Year-end Mineral Reserves 2014
Technical Report 2012
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