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Canada
Lynn Lake Project

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 Location:
7,7 km NE from Lynn Lake, Manitoba, Canada
  Project Contacts:
181 Bay street, Suite 3910
Toronto
Ontario, Canada
M5J 2T3
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Overview

StagePermitting
Mine TypeOpen Pit
Commodities
  • Gold
  • Silver
Mining Method
  • Truck & Shovel / Loader
Mine Life13 years (as of Jan 1, 2017)
Lynn Lake is one of the highest-grade open-pit gold deposits in Canada.

On March 6, 2023, the Company announced that the federal Environmental Impact Assessment for the Lynn Lake Gold Project had been completed and a positive Decision Statement had been issued by the Minister of Environment and Climate Change Canada.

The Company expected to Updated Lynn Lake Feasibility Study in H1 2023.

Owners

Source: p. 12
CompanyInterestOwnership
Alamos Gold Inc. 100 % Indirect
Alamos owns the development-stage Lynn Lake Gold Project

Contractors

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Deposit Type

  • Vein / narrow vein

Summary:

Both MacLellan and Gordon deposits can be considered as belonging to the class of gold deposits referred to as orogenic.

Gold and silver mineralization can be geochemically anomalous to economic at the MacLellan site, Gordon area as well as the Burnt Timber – Linkwood areas of the southern belt. Gold is usually associated with pyrrhotite-pyrite mineralization and often with minor chalcopyrite, sphalerite, galena and arsenopyrite. Gold mineralization is often associated with narrow quartz and quartz carbonate veins and within semi-massive sulphide lenses 1 to 20 cm thick. Gold is usually very fine grained and is rarely visible and appears to be structurally controlled. The structures, usually quartz veins, are eastwest trending.

At MacLellan and Burnt Timber gold-bearing structures dip steeply to the north and are hosted in mafic flows and sediments. Gold seems to be associated with carbonate and silica alteration.

With respect to MacLellan, the high-strain-zone and accompanying hydrothermal alteration localized to the picrite flows and minor intercalated sediments, coupled with its chemical trapping characteristics created favourable conditions for gold mineralization. Hastie (2014) emphasizes the importance of brittle D4 structures, with supporting evidence for a second hydrothermal fluid event. The first gold-silver mineralizing episode, during ductile D2 shearing and alteration, is characterized by biotite ± quartz ± sulphide alteration an ........

Mining Methods

  • Truck & Shovel / Loader

Summary:

Lynn Lake Gold Project will be built as two conventional open pit mines with a centralized processing plant facility and a tailings management facility. The LLGP is composed of two properties: MacLellan and Gordon. The processing plant, located at MacLellan, has an expected nominal processing throughput of 7,000 t/d.

Located in Northern Manitoba, the LLGP consists of two primary sites, MacLellan and Gordon.

MacLellan Property
Formerly operated as an underground gold and silver mine between 1986 and 1989. The historical MacLellan site has been in a ‘care and maintenance’ phase since 1989 with very little reclamation having taken place. This site currently consists of an all-weather gravel access road, power transmission line (abandoned pole line), and infrastructure from the former underground mine, such as a head frame, hoist house, shaft, access ramp, maintenance and other storage buildings, core shack and racks, vent raise, and mine water settling ponds.

Gordon Property
The Gordon site, historically referred to as the Farley Lake Open Pit Mine, previously operated as a two-pit open pit gold mine from 1996 to 1999. The present day site consists of the above-mentioned gravel access road, a bridge across the Hughes River, two mine rock storage areas and two overburden storage areas that have been capped, and two water-filled open pits. All buildings and infrastructure from the historical operations have been removed.

Bot ........

Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.

Projected Production:

CommodityUnitsAvg. AnnualLOM
Gold koz 1431,495
Silver koz  ......  Subscription required
All production numbers are expressed as metal in doré.

Operational Metrics:

Metrics
Stripping / waste ratio 7.3 *
Waste tonnes, LOM 195,188 kt *
Ore tonnes mined, LOM 26,803 kt *
Total tonnes mined, LOM 221,991 kt *
Daily processing capacity 7,000 t *
Tonnes processed, LOM 26,803 kt *
Mining scale, tpd 49,000 t
Processing scale, tpd 7,000 t
* According to 2017 study.

Reserves at December 31, 2021:
As of December 31, 2022, there were no changes in the Mineral Resources and Reserves at Akasaba West compared to December 31, 2021.

Mineral Resources MacLellan Open-Pit Cut-off - 0.42 g/t Au; Mineral Reserves MacLellan Open-Pit Cut-off - 0.47 g/t Au.
Mineral Resources MacLellan Underground - 2.0 g/t Au.
Mineral Resources Gordon Cut-off - 0.62 g/t Au; Mineral Reserves Gordon Cut-off - 0.69 g/t Au.

CategoryTonnage CommodityGradeContained Metal
Proven 14,370 kt Gold 1.99 g/t 920 koz
Proven 12,059 kt Silver 4.94 g/t 1,914 koz
Probable 22,172 kt Gold 1.6 g/t 1,140 koz
Probable 15,761 kt Silver 3.97 g/t 2,011 koz
Proven & Probable 36,542 kt Gold 1.75 g/t 2,060 koz
Proven & Probable 27,820 kt Silver 4.39 g/t 3,925 koz
Measured 1,007 kt Gold 2.04 g/t 66 koz
Measured 902 kt Silver 8.55 g/t 248 koz
Indicated 7,172 kt Gold 1.7 g/t 391 koz
Indicated 3,655 kt Silver 4.69 g/t 551 koz
Measured & Indicated 8,178 kt Gold 1.74 g/t 457 koz
Measured & Indicated 4,557 kt Silver 5.45 g/t 799 koz
Inferred 45,873 kt Gold 1.1 g/t 1,622 koz

Commodity Production Costs:

CommodityUnitsAverage
Total cash costs (sold) Gold USD 645 / oz *†  
All-in sustaining costs (sold) Gold USD 745 / oz *†  
Assumed price Silver USD 16 / oz *  
Assumed price Gold USD 1,250 / oz *  
* According to 2017 study / presentation.
† Net of By-Product.

Operating Costs:

Units2017
OP mining costs ($/t milled) USD 17.8 *
Processing costs ($/t milled) USD  ......  Subscription required
Total operating costs ($/t milled) USD  ......  Subscription required
* According to 2017 study.
Subscription required - Subscription is required.

2017 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Initial CapEx $M USD  ......  Subscription required
Sustaining CapEx $M USD  ......  Subscription required
Total CapEx $M USD  ......  Subscription required
OP OpEx $M USD  ......  Subscription required
Processing OpEx $M USD 287.1
G&A costs $M USD 141.1
Total OpEx $M USD  ......  Subscription required
Mining Taxes $M USD  ......  Subscription required
Income Taxes $M USD  ......  Subscription required
Royalty payments $M USD  ......  Subscription required
Net revenue (LOM) $M USD  ......  Subscription required
After-tax Cash Flow (LOM) $M USD  ......  Subscription required
After-tax NPV @ 0% $M USD  ......  Subscription required
After-tax NPV @ 5% $M USD  ......  Subscription required
After-tax IRR, %  ......  Subscription required
After-tax payback period, years  ......  Subscription required
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Pipelines and Water Supply
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Proposed Heavy Mobile Equipment as of January 25, 2018:
HME TypeModelSizeQuantityLeased or
Contractor
Backhoe ....................... Subscription required 4.6 cu. m ....................... Subscription required Leased
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....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Apr 27, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 27, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 27, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 27, 2023
Subscription required - Subscription is required.

Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2023
Corporate Presentation 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Feasibility Study Report 2018
Year-end Mineral Reserves 2018
Press Release 2017
Year-end Mineral Reserves 2017
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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