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Canada
Joyce Lake DSO Project

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 Location:
20 km NE from Schefferville, Newfoundland and Labrador, Canada

  Project Contacts:
200 University Avenue, Suite 1301
Toronto
Ontario, Canada
M5H 3C6
Phone  ...  Subscription required
Fax1-416-977-8002
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StagePermitting
Mine TypeOpen Pit
Commodities
  • Iron Ore
Mining Method
  • Truck & Shovel / Loader
Mine Life7 years (as of Jan 1, 2015)
The Project has completed feasibility and permitting studies and can be brought to production within approximately 30 months.
Latest NewsCentury Files Technical Report on Feasibility Study for Joyce Lake DSO Project     December 13, 2022


Owners

Source: p. 10,14,39,84
CompanyInterestOwnership
Century Global Commodities Corp. 92 % Indirect
The Joyce Lake Property or the Joyce Lake DSO Project referred to in the Summary below is comprised of six mineral licences located in Newfoundland and Labrador that are presently owned as to 100% by Joyce Direct Iron Inc. The six mineral licences include a total of 682 mineral claims and cover a total area of approximately 17,050 hectares as of March 31, 2021. The Joyce Lake Property is part of the former Attikamagen Properties.

Contractors

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Deposit Type

  • Iron formation hosted


Summary:

The Labrador Trough contains four main types of iron deposits:
- Soft iron ores formed by supergene leaching and enrichment of the weakly metamorphosed cherty iron formation; they are composed mainly of friable fine-grained secondary iron oxides (hematite, goethite, limonite).
- Taconites, fine-grained weakly metamorphosed iron formations with above average magnetite content, which are also commonly called magnetite iron formation.
- More intensely metamorphosed, coarser-grained iron formations, termed meta-taconites; that contain specular hematite and subordinate amounts of magnetite as the dominant iron minerals.
- Occurrences of hard high-grade hematite ore occur southeast of Schefferville at Sawyer Lake and Astray Lake.

The Sokoman iron formation was formed as chemical sediment under varied conditions of oxidationreduction potential (Eh) and hydrogen ion concentrations (pH) in varied depths of seawater. The resulting irregularly bedded, jasper-bearing, granular, oolitic and locally conglomeratic sediments are typical of the predominant oxide facies of the Superior-type iron formations, and the Labrador Trough is the largest example of this type.

The facies changes consist commonly of carbonate, silicate and oxide facies. Typical sulphide facies are poorly developed. The mineralogy of the rocks is related to the change in facies during deposition, which reflects changes from shallow- to deep-water environments of sedimentation. In ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

Mining of the Joyce Lake deposit will generally follow the standard practice of a conventional open pit operation, with drill and blast, load and haul cycle using a drill/shovel/truck mining fleet. The overburden and waste rock material will be delivered to the overburden and waste disposal areas near the pit. The run of-mine ore will be delivered to the ore stockpile or low grade stockpile.

The mining operations division will consist of the pit operations, maintenance, engineering and geology departments.

Mining phases, including initial overburden and waste pre-stripping requirements and a mining schedule was developed. The starter pit was designed to avoid excavation close to Joyce Lake during the pre-production and construction phases. The open pit production schedule has been developed on a 4-month basis for the life of-mine (LOM) and was developed based on a fixed production target of 2.5 M dry tonnes per year of iron ore lump and fines products at an average grade of 60 to 62% Fe.

Annual mining equipment fleet requirements were developed based on equipment performance parameters and average hauling distances based on pit design and configuration and location on the site plan for the crusher and waste piles. The primary equipment fleet includes 96- tonne diesel haul trucks, 10 m3 diesel-hydraulic shovels, 10 m3 front-end loader and 8.5” down the-hole (DTH) blast hole drills.


Crushing and Grinding


Processing


Summary:

The Joyce Lake DSO flowsheet consists of a two stage dry crushing and screening process to produce “lump” and “fines” products. A two stage crushing circuit is required to produce material at the target size of 100% passing 31.5 mm.

Process design is based on mining haul trucks delivering material from the open pit mine to the ROM ore stockpile area ahead of the process plant. Sufficient stockpiling space is provided to allow for segregating ore to allow for blending feed materials ahead of the process plant to minimize product grade variability. A dedicated front end loader of 16 t capacity is used for maintaining the ROM stockpile and for feeding the process plant.

The front-end loader transfers material from the ROM stockpile to a feed hopper fitted with a static grizzly screen to scalp off any oversized material (+600 mm). No rock breaker is provided as the +600 mm material will be rejected to a stockpile to be processed later. Once a sufficient quantity of m ........


Projected Production:

CommodityUnitsLOM
Iron Ore kt 17,725
All production numbers are expressed as lump & fines.

Operational Metrics:

Metrics
Stripping / waste ratio 4.1 *
Waste tonnes, LOM 70,083 kt *
Total tonnes mined, LOM 90,143 kt *
* According to 2015 study.

Reserves at March 1, 2016:

CategoryTonnage CommodityGrade
Proven 14.52 Mt Iron 59.75 %
Probable 3.2 Mt Iron 59.52 %
Proven & Probable 17.72 Mt Iron 59.71 %
Measured 18.65 Mt Iron 58.67 %
Indicated 5.64 Mt Iron 58.14 %
Measured & Indicated 24.29 Mt Iron 58.55 %

Commodity Production Costs:

CommodityAverage
Cash costs Iron Ore 58.3 / t *  
Pre-tax break-even price Iron Ore 81.2 / t *  USD
* According to 2015 study / presentation.

Operating Costs:

Units2015
OP mining costs ($/t mined) CAD 13 *
Processing costs ($/t milled) CAD  ......  Subscription required
Total operating costs ($/t milled) CAD  ......  Subscription required
* According to 2015 study.
Subscription required - Subscription is required.

2015 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Initial CapEx $M CAD  ......  Subscription required
Sustaining CapEx $M CAD  ......  Subscription required
Total CapEx $M CAD  ......  Subscription required
OP OpEx $M CAD  ......  Subscription required
Processing OpEx $M CAD 39.8
G&A costs $M CAD 18.6
Total OpEx $M CAD  ......  Subscription required
Gross revenue (LOM) $M CAD  ......  Subscription required
Pre-tax NPV @ 0% $M CAD  ......  Subscription required
Pre-tax NPV @ 10% $M CAD  ......  Subscription required
Pre-tax NPV @ 8% $M CAD  ......  Subscription required
After-tax NPV @ 0% $M CAD  ......  Subscription required
After-tax NPV @ 10% $M CAD  ......  Subscription required
After-tax NPV @ 8% $M CAD  ......  Subscription required
Pre-tax IRR, %  ......  Subscription required
After-tax IRR, %  ......  Subscription required
Pre-tax payback period, years  ......  Subscription required
After-tax payback period, years  ......  Subscription required
Subscription required - Subscription is required.


Proposed Heavy Mobile Equipment as of March 2, 2015:
HME TypeModelSizeQuantity
Dozer ....................... Subscription required ....................... Subscription required
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Subscription required - Subscription is required.

Mine Management:

Job TitleNameRef. Date
....................... Subscription required ....................... Subscription required Jul 27, 2021
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
Annual Information Form 2016
Feasibility Study Report 2015
Subscription required - Subscription is required.

News:

NewsDate
Century Files Technical Report on Feasibility Study for Joyce Lake DSO Project December 13, 2022

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