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Canada
Beaufor Mine

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 Location:
19 km NE from Val-d’Or, Quebec, Canada

  Address:
776, Chemin Perron
Val-d’Or
Quebec, Canada
J9P 0C3
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WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StatusCare and Maintenance
Mine TypeUnderground
Commodities
  • Gold
Mining Method
  • Longhole stoping
  • Room-and-pillar
Production Start...
On June 27, 2019, production activities at the Beaufor Mine have been temporarily suspended and the mine was placed on care and maintenance.
On July 27, 2022, Monarch Mining Corporation reported the production of its first gold bar from its wholly-owned Beaufor Mine and Beacon Mill.
On September 27, 2022, Monarch Mining Corporation suspended its operations at the Beaufor Mine due to financial and operational challenges. The mine will be put on care and maintenance for an undetermined period.


Owners

Source: p. 21
CompanyInterestOwnership
Monarch Mining Corp. 100 % Indirect
The Beaufor Mine consists of a contiguous group of 27 mineral titles (23 claims, three (3) mining leases and one (1) mining concession). All the claims are registered in the name of the Monarch Mining Corporation for a total area of 691.6 ha.

Contractors

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Deposit Type

  • Vein / narrow vein


Summary:

The Beaufor Mine mineralization presents characteristics of typical Archean greenstone-hosted orogenic gold deposits.

The Beaufor Mine is located within the Bourlamaque Batholith at the eastern contact with the Dubuisson Formation. The Bourlamaque Batholith, a massive, circular, syn-volcanic intrusion with a diameter of approximately 12 km (at surface) is a major geological feature of the Val-d’Or mining camp. This quartziferous granodiorite batholith, intruded by fine-grained dioritic dikes, intrudes the mafic and ultramafic rocks of the Dubuisson and Jacola formations (Malartic Group), as well as the intermediate rocks of the Val-d’Or Formation (Louvicourt Group). The batholith hosts several past-producing mines, such as Belmoral, Wrightbar, Bussières (Old Cournor), Bras d’Or (Dumont) and Lac Herbin.

Gold mineralization at the Beaufor Mine occurs mainly as coarse pyrite with gold inclusions and occasionally as free gold within a complex vein system. These veins are spatially related and parallel to late dioritic dikes that cross-cut the granodiorites.

According to Tessier (1990), two main mineralization episodes have been observed at Beaufor. The first is associated to the late stages of crystallization of the Bourlamaque Batholith. This magmatic hydrothermal mineralization can be observed in sub-vertical centimetric quartz, chlorite, pyrite, chalcopyrite and molybdenite veinlets. These veinlets usually strike towards the northeast and grad ........


Mining Methods

  • Longhole stoping
  • Room-and-pillar


Summary:

In June 2019, production activities at the Beaufor Mine were suspended for an undetermined period and the mine was put into care and maintenance. On June 3, 2021, following continuous strong results from its 42,500-metre drilling campaign and a new plan for the operation of the mine, the Corporation announced its intention to restart production activities for June 2022.

On July 5, 2022, the Corporation announced that it started to process the Beaufor Mine material at the Beacon Mill with a first gold pour on July 27, 2022. As reported on August 31, 2022 the slower ramp-up of the Beacon mill following a number of mechanical and procurement issues, as well as problems with the grade reconciliation of the material stockpiled, caused cash restrictions and forced the Corporation to slow down its mining activities at Beaufor. On September 27, 2022, the Corporation suspended its operations at the Beaufor Mine due to financial and operational challenges and placed the Beaufor Mine under care and maintenance.

Mining method
The long-hole method consists of drilling a series of holes in a stope from one level to another. Most of the long-hole drilling at Beaufor is performed upward. The maximum length for production drilling is approximately 18 m along the vein dip. Spacing between sublevels is planned accordingly. Conventional raises are excavated to initiate the stope opening. Long hole stopes are approximately 20 m wide and separated by 5-m-wide vertical pi ........


Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

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Production:

CommodityUnits20192018201620152014
Gold oz  ......  Subscription required15,07119,56226,41124,959
All production numbers are expressed as metal in doré.
Subscription required - Subscription is required.

Operational Metrics:

Metrics2022201920182017
Daily milling capacity  ......  Subscription required
Tonnes processed  ......  Subscription required96,212 t98,394 t
Annual milling capacity  ......  Subscription required1,600 t
Daily ore mining rate  ......  Subscription required
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Reserves at July 23, 2021:
The estimate is reported for potential underground scenario at cut-off grades of 2.8 g/t Au (>=45 degree dip) and 3.2 g/t Au (<45 degree dip).

CategoryTonnage CommodityGradeContained Metal
Measured 328,500 t Gold 5.7 g/t 59,900 oz
Indicated 956,400 t Gold 5.2 g/t 159,300 oz
Measured & Indicated 1,284,900 t Gold 5.3 g/t 219,200 oz
Inferred 818,900 t Gold 4.7 g/t 122,500 oz

Commodity Production Costs:

Commodity2019201820162015
Cash costs Gold  ......  Subscription required 1,206 / oz  
Cash costs (sold) Gold
Cash costs (sold) Gold 1,444 / oz†  CAD 991 / oz†  CAD
All-in sustaining costs (AISC) Gold  ......  Subscription required 1,394 / oz  USD
All-in sustaining costs (sold) Gold
All-in sustaining costs (sold) Gold 1,854 / oz†  CAD 1,212 / oz†  CAD
† Net of By-Product.

Financials:

Units201920182016
Sustaining costs M CAD 7.9  
Revenue M CAD  ......  Subscription required 30.1   31.7  
Gross profit M CAD  ......  Subscription required 1.4  
Earnings M CAD  ......  Subscription required -4.8  
EBITDA M CAD  ......  Subscription required 2.5  
Operating Cash Flow M CAD  ......  Subscription required -2.3  



Heavy Mobile Equipment as of September 30, 2017:
HME TypeSizeQuantity
Drill jumbo (single boom) ....................... Subscription required
Drill jumbo (two boom) ....................... Subscription required
Scoop Tram 6 cu. yd ....................... Subscription required
Scoop Tram 4 cu. yd ....................... Subscription required
Scoop Tram 3 cu. yd ....................... Subscription required
Scoop Tram 1.5 cu. yd ....................... Subscription required
Truck (haul) 13 t ....................... Subscription required
Truck (haul) 26 t ....................... Subscription required
Subscription required - Subscription is required.

Mine Management:

Job TitleNamePhoneEmailProfileRef. Date
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Subscription required Jan 11, 2022
....................... Subscription required ....................... Subscription required Subscription required Jan 11, 2022
....................... Subscription required ....................... Subscription required Subscription required Jan 11, 2022
....................... Subscription required ....................... Subscription required Subscription required Jan 11, 2022
....................... Subscription required ....................... Subscription required Subscription required Jan 11, 2022
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
Annual Information Form 2022
Corporate Presentation 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
Financial Review 2018
Management Discussion & Analysis 2018
Corporate Presentation 2017
Corporate Presentation 2017
Press Release 2017
Press Release 2017
Technical Report 2017
Corporate Presentation 2016
Management Discussion & Analysis 2016
Management Discussion & Analysis 2015
Annual Information Form 2014
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