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Canada
Duparquet Project

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 Location:
32 km NW from Rouyn-Noranda, Quebec, Canada

  Project Contacts:
Suite 2070 - 1188 West Georgia Street
Vancouver
British Columbia, Canada
V6E 4A2
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
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  • Personnel
  • Filings & News

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Overview

StagePre-Feasibility
Mine TypeOpen Pit
Commodities
  • Gold
  • Silver
Mining Method
  • Truck & Shovel / Loader
Mine Life11 years (as of Jan 1, 2014)


Owners

Source: p. 1
CompanyInterestOwnership
First Mining Gold Corp. 100 % Indirect
Beattie Gold Mines Ltd., 2699681 Canada Ltd., and 2588111 Manitoba Ltd. directly or indirectly own various mining concessions and surface rights, collectively known as the Duparquet gold project.

On September 15, 2022, First Mining Gold Corp. completed the previously announced acquisition (the "Beattie Offer") of all the issued and outstanding common shares of Beattie Gold Mines Ltd., a private company that owns the mineral rights to mining claims that make up the former Beattie mining concession that form a large part of the Duparquet Gold Project. In addition, First Mining has also concurrently completed the acquisitions of 2699681 Canada Ltd. ("269 Canada") and 2588111 Manitoba Ltd. ("258 Manitoba") (together, the "Concurrent Transactions"). As a result, First Mining, through its wholly-owned subsidiary Clifton Star, now owns 100% of the Duparquet Gold Project located in Quebec, Canada.

Contractors

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Deposit Type

  • Breccia pipe / Stockwork
  • Orogenic


Summary:

The standard orogenic gold model characterizes the majority of gold deposits within the Abitibi belt. However, several examples of late mineralization are disseminated and associated with alkaline intrusions (Robert, 2001), thus differing from the standard orogenic gold model. Syenite-associated disseminated gold deposits in the Abitibi greenstone belt consist of disseminated sulphide zones with variably developed quartz stockworks, which are intimately associated with Timiskaming-age, monzonitic to syenitic porphyry intrusions (Robert, 2001). Like quartz-carbonate vein deposits, all known syenite-associated disseminated gold deposits in the southern Abitibi belt occur along a major fault. As a result of their distribution along major faults, these deposits commonly occur at or near boundaries between contrasting lithological domains. Examples of these deposits are Young-Davidson, Matachewan Consolidated, Ross, Holt-McDermott, and Lightening in Ontario; and Beattie, Douay, Canadian Malartic, East Malartic, and Barnat Sladen in Québec.

Gold-bearing mineralization within the Duparquet deposit (including the Beattie and Donchester mines, as well as the Central Duparquet deposit) is associated with carbonate, chlorite, fuchsite, and sericite alteration as a product of hydrothermal fluid injection within sheared and brecciated sections of the syenite porphyries. Silicification of fractures and chert-calcite-rich accumulations along fractures accompanied by pyrite-arsen ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

Mining of the Duparquet deposit has been designed as an open pit with a planned production of 3,650,000 tonnes per year (3.65M tpy) or 10,000 tonnes per day (tpd).

The life-of-mine (LOM) for the Duparquet Pit was based on supplying the mill with 3,650,000 tonnes of ore per year. Initially, 4.1 Mt of tailings would be reserved to supplement the mill when necessary, but it was later decided to process the tailings at a rate of 750,000 tonnes per year right from the start in order to clean the tailings area to make room for the waste stockpile #2 for the west pit.

The LOM for the Duparquet Pit will be spread over 11 years, preceded by a 4-year pre production period.

The designed pits are approximately 3,508 m long by 1,120 m wide and 360 m deep.

The Duparquet pit design is based on double benching with 10-m single benches.

A minimum catch bench of 8.5 m has been considered in the preliminary geotechnical study when using double benches.

Also, the existing pit contains approximately 5.7 Mm3 of water. At the start of the project, it is estimated that 2 Mm3 need to be dewatered, and that it will take approximately six (6) months.

The mining schedule will require the extraction of 39,363,029 tonnes of ore and 291,213,881 tonnes of waste rock, resulting in a LOM strip ratio of 8.26 to 1. The overburden consists of 23,398,919 tonnes. Taking into account the overburden, the LOM strip ratio is 8.93 to 1. The ........


Crushing and Grinding
Source: Subscription required

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Processing

Flow Sheet: Subscription required

Summary:

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Projected Production:

CommodityUnitsAvg. AnnualLOM
Gold koz 1581,698
Silver oz  ......  Subscription required
All production numbers are expressed as metal in doré.

Operational Metrics:

Metrics
Stripping / waste ratio 8.93 *
Daily ore mining rate 10,000 t *
Waste tonnes, LOM 291,213,881 t *
Ore tonnes mined, LOM 35,238,429 t *
Total tonnes mined, LOM 349,851,229 t *
Daily processing capacity 10,000 t *
Tonnes processed, LOM 39,363,029 t *
Annual processing capacity 3.65 Mt *
Annual ore mining rate 3.65 Mt *
* According to 2014 study.

Reserves at December 31, 2020:
Based on the NI 43-101 technical report titled “Technical Report and Prefeasibility Study for the Duparquet Project (according to National Instrument 43-101 and Form 43-101F1)", which has an effective date of March 26, 2014, and a signature date of May 23, 2014.

Mineral resources Cut-off grade = >0.45 g/t Au (Tailings), >0.45 g/t Au (In-pit), > 2.00 g/t Au (Underground).

CategoryTonnage CommodityGradeContained Metal
Measured 184,700 t Gold 1.52 g/t 9,006 oz
Indicated 60,696,300 t Gold 1.59 g/t 3,104,165 oz
Measured & Indicated 60,881,000 t Gold 1.59 g/t 3,113,171 oz
Inferred 29,684,700 t Gold 1.51 g/t 1,442,689 oz

Commodity Production Costs:

CommodityUnits
Cash costs Gold USD 775 / oz *  USD
All-in costs Gold USD 1,042 / oz *  USD
Assumed price Silver USD 21 / oz *  USD
Assumed price Gold USD 1,300 / oz *  USD
* According to 2014 study / presentation.
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2014 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Initial CapEx $M CAD  ......  Subscription required
Sustaining CapEx $M CAD  ......  Subscription required
Closure costs $M CAD  ......  Subscription required
Total CapEx $M CAD  ......  Subscription required
OP OpEx $M CAD  ......  Subscription required
Processing OpEx $M CAD 608.1
G&A costs $M CAD 95.5
Total OpEx $M CAD  ......  Subscription required
Total Taxes $M CAD  ......  Subscription required
Gross revenue (LOM) $M CAD  ......  Subscription required
Net revenue (LOM) $M CAD  ......  Subscription required
Pre-tax Cash Flow (LOM) $M CAD  ......  Subscription required
After-tax Cash Flow (LOM) $M CAD  ......  Subscription required
Pre-tax NPV @ 5% $M CAD  ......  Subscription required
After-tax NPV @ 5% $M CAD  ......  Subscription required
Pre-tax IRR, %  ......  Subscription required
After-tax IRR, %  ......  Subscription required
Pre-tax payback period, years  ......  Subscription required
Subscription required - Subscription is required.


Proposed Heavy Mobile Equipment as of March 26, 2014:
HME TypeModelSizeQuantity
Dozer ....................... Subscription required ....................... Subscription required
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Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Oct 15, 2021
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Staff:

Total WorkforceYear
Subscription required 2014

Corporate Filings & Presentations:

DocumentYear
Press Release 2022
................................... Subscription required 2020
Corporate Presentation 2017
Annual Information Form 2016
Management Discussion & Analysis 2016
Pre-Feasibility Study Report 2014
Subscription required - Subscription is required.

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