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Canada
Kiena Mine

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 Location:
10 km W from Val-d’Or, Quebec, Canada

  Address:
950 Rue Kienawisik
Val-d'or
Quebec, Canada
J9P 4P3
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Gold
Mining Method
  • Overhand stoping
  • Underhand stoping
  • Longhole stoping
  • Longitudinal retreat
  • Paste backfill
Production Start...
Mine Life7.1 years (as of Jan 1, 2021)
The Kiena Complex is a fully permitted former mine with a 930-metre shaft and 2,000 tonne-per-day mill. Mining officially started in October of 1981. The Kiena Mine Complex has been on care and maintenance since mid-2013.

On December 01, 2022, Wesdome Gold Mines Ltd. announced that commercial production has been achieved at the Company’s Kiena mine in Val d’Or, Quebec effective December 1st, 2022.
Latest NewsWesdome Declares Commercial Production at the Kiena Mine     December 1, 2022


Owners

Source:
CompanyInterestOwnership
Wesdome Gold Mines Ltd. 100 % Indirect

Contractors

Subscription required - Subscription is required.


Deposit Type

  • Vein / narrow vein
  • Orogenic


Summary:

The Kiena Mine Complex area is located in northwestern Quebec, straddling the southern part of the Abitibi greenstone belt (AGB) and the northern part of the Pontiac Subprovince:
- The AGB comprises E-trending successions of folded and faulted volcanic and sedimentary rocks and intervening domes of intrusive rocks. An important geologic feature of the AGB is the occurrence of major, E-trending ductile-brittle fault zones. These zones cut across the entire belt from the Kapuskasing structural zone in the west to the Grenville front in the east, dividing the supracrustal rocks and intervening domes into distinct lozenge-shaped domains. The most two important fault zones in the southern AGB are Destor-Porcupine fault zone (DPFZ) in the north and Larder Lake-Cadillac fault zone (LLCFZ) in the south.
- The Pontiac Subprovince (PS) consists principally of a turbiditic succession composed of graywacke and mudstone with minor intercalated conglomerate and basalt.

The Kiena Complex area has a series of large-scale shear zones and related subsidiary faults trending ESE-WNW to SE-NW, subparallel to stratigraphy and dipping steeply to the north. They are, from south to north: the Larder Lake-Cadillac Fault Zone (LLCFZ), the Parfouru Fault (PF), the Marbenite Fault (MF), the Norbenite Fault (NF), the Callahan Fault (CF), the K Shear Zone (KSZ) and the Rivière Héva Fault (RHF). The Kiena Complex area is cut by all of them. The shear zones contain dykes or stocks of mon ........


Mining Methods

  • Overhand stoping
  • Underhand stoping
  • Longhole stoping
  • Longitudinal retreat
  • Paste backfill


Summary:

Most of the production mining will utilize the overhand long hole stope method, historically used at the Kiena Mine Complex. In cases where production mining is expected under previously mined and backfilled stopes, the underhand long hole stope method will be utilized.

Long hole production stopes will be mined on a longitudinal retreat basis. Stope empirical designs and mine sequencing were established for each of the three mining zones accounting for key factors influencing stability including rock mass quality, the orientation of the principal structures, in situ stress and the geometry of the stope. Cemented rockfill, rockfill and paste backfill were considered for supporting the rock mass after extraction. Mining recovery will be maximized and production stope cycle time optimized in the Kiena Deep A Zone by making paste backfill the predominant backfill type.

Both existing and new infrastructure are required to support the LOM plan. The key existing infrastructure includes the hoisting shaft extending to a depth of 930 m with an average hoisting capacity of 2,000 tpd, ore and waste pass systems, the underground crusher, underground ventilation raise and ramp system, service repair, fueling, refuge, process water, mine dewatering, compressed air and electrical facilities.

Haulage trucks and load haul dumps (LHD) are currently owned and operated by a contracted mining company for ore and waste rock haulage. Most other mobile equipment is a ........


Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Production:
The Kiena Mine commenced operations in Q3 2021.

CommodityProductUnits2021Avg. Annual (Projected)LOM (Projected)
Gold Metal in doré koz  ......  Subscription required
Gold Payable metal koz 84592

Operational Metrics:

Metrics2021
Tonnes milled  ......  Subscription required
Daily milling rate  ......  Subscription required
Daily milling capacity  ......  Subscription required
Subscription required - Subscription is required.

Reserves at December 31, 2021:
Resources are reported above a 3.0 g/t Au cut-off grade.

Mineral Reserves are reported above a 3.7 g/t Au cut-off.

CategoryTonnage CommodityGradeContained Metal
Proven 71 kt Gold 13.24 g/t 30,000 oz
Probable 1,758 kt Gold 11 g/t 621,000 oz
Proven & Probable 1,829 kt Gold 11.1 g/t 651,000 oz
Measured 21 kt Gold 9.6 g/t 6,000 oz
Indicated 713 kt Gold 4.6 g/t 106,000 oz
Measured & Indicated 734 kt Gold 4.8 g/t 113,000 oz
Inferred 4,011 kt Gold 5.9 g/t 761,000 oz

Commodity Production Costs:

CommodityUnits2021
Cash costs (sold) Gold USD  ......  Subscription required†
All-in sustaining costs (sold) Gold USD  ......  Subscription required†
† Net of By-Product.
Subscription required - Subscription is required.

Operating Costs:

Units2021
Total operating costs ($/t milled) CAD 325

Financials:

Units2021
Capital expenditures M CAD  ......  Subscription required
Revenue M CAD  ......  Subscription required
Gross profit M CAD  ......  Subscription required
Pre-tax Income M CAD  ......  Subscription required
Subscription required - Subscription is required



Heavy Mobile Equipment:
HME TypeModelSizeQuantityStatusRef. Date
ANFO Loader ....................... Subscription required Proposed Apr 12, 2021
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed Apr 12, 2021
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....................... Subscription required ....................... Subscription required Proposed Apr 12, 2021
....................... Subscription required ....................... Subscription required Proposed Apr 12, 2021
....................... Subscription required ....................... Subscription required Proposed Apr 12, 2021
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed Apr 12, 2021
Truck (underground) 30 t ....................... Subscription required Existing Oct 14, 2021
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jun 7, 2021
....................... Subscription required ....................... Subscription required Subscription required Jun 7, 2021
....................... Subscription required ....................... Subscription required Subscription required Jun 17, 2022
....................... Subscription required ....................... Subscription required Subscription required Jun 17, 2022
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....................... Subscription required ....................... Subscription required Subscription required Jun 17, 2022
....................... Subscription required ....................... Subscription required Subscription required Jun 17, 2022
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required Subscription required 2021

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
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................................... Subscription required 2020
................................... Subscription required 2020
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................................... Subscription required 2020
Management Discussion & Analysis 2016
Technical Report 2015
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News:

NewsDate
Wesdome Declares Commercial Production at the Kiena Mine December 1, 2022

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