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Canada
Woodstock Project

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 Location:
14 km NE from Houlton, New Brunswick, Canada

  Project Contacts:
Suite 1805 55 University Avenue
Toronto
Ontario, Canada
M5J 2H7
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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

StagePreliminary Economic Assessment
Mine TypeOpen Pit
Commodities
  • Manganese
  • Iron Ore
Mining Method
  • Truck & Shovel / Loader
Mine Life40 years (as of Jan 1, 2014)
Canadian Manganese plans to continue further evaluation and development work on its Woodstock’s deposit and seek opportunities in the Li-ion battery industry to unlock Woodstock’s potential.
Latest NewsCanadian Manganese Announces Non-Brokered Private Placement of Unsecured Convertible Debentures and Flow-Through Shares     May 16, 2023


Owners

Source: p. 16
CompanyInterestOwnership
Canadian Manganese Company Inc. 100 % Direct
Canadian Manganese Company Inc. holds a 100% interest in the Woodstock manganese project.

Contractors

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Deposit Type

  • Banded iron formation


Summary:

The manganese contained in the Plymouth deposit is predominantly in the form of a carbonate (rhodochrosite) whilst the iron exists in both oxide (hematite, magnetite and ilmenite) and carbonate minerals (predominantly siderite). The deposit type is sedimentary in origin and of the stratiform, BIF type. The host sequence consists of Silurian red and grey siliciclastic to calcareous siltstones and shales that have been metamorphosed under lower greenschist facies conditions. In addition to the main oxide, silicate and carbonate facies iron-manganese concentrations, host rocks contain minor magnetite and traces of pyrite in grey siltstone and black shale intervals. The manganese rich iron formation deposits occur in stratiform bodies and represent spatially distinct intervals that accumulated contemporaneously with surrounding sedimentary strata.

Iron and manganese are considered to have been deposited from seawater in an oxidizing environment and host strata have subsequently been structurally thickened through folding and faulting related to the Acadian Orogeny (middle to early Late Devonian in age). Some subsequent remobilization of manganese has occurred and resulted in re-deposition of manganese carbonate and oxides in fracture zones. Additional surficial weathering has also resulted in very limited oxidation at the overburden-bedrock interface, but is typically estimated to be limited to centimetres depth into bedrock.

Historical interpretation of th ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

The mining operation will use a conventional open pit mining method, off-highway haul trucks, and hydraulic excavator. The waste rock and mineral resource will be drilled and blasted using typical grade control methods and blasthole sampling.

Tetra Tech used an overall pit slope angle of 45°, as the required geotechnical data was not available to support the analysis required to assess the pit slope angles. Tetra Tech based this pit slope angle on estimates from previous projects and believes that this value is reasonable.


Crushing and Grinding


Processing

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Summary:

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Projected Production:

CommodityProductUnitsAvg. Annual
Manganese Electrolytic metal t 80,104
Iron Ore Concentrate kt  ......  Subscription required

Operational Metrics:

Metrics
Daily milling rate 3,000 t *
Waste tonnes, LOM 51.6 Mt *
Ore tonnes mined, LOM 41.4 Mt *
Total tonnes mined, LOM 97 Mt *
Mining scale, tpd 7,000 t
Processing scale, tpd 3,000 t
* According to 2014 study.

Reserves at July 10, 2014:

CategoryTonnage CommodityGradeContained Metal
Inferred 44,770,000 t Manganese 9.85 % 9.72 B lbs
Inferred 44,770,000 t Iron 14.15 %

Commodity Production Costs:

CommodityUnits
Cash costs Manganese CAD 0.75 / lb *  CAD
Assumed price Manganese CAD 1.53 / lb *  CAD
Assumed price Iron Ore CAD 153.68 / t *  CAD
* 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 4,820
G&A costs $M CAD 123.9
Total OpEx $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 @ 8% $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
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Proposed Heavy Mobile Equipment as of July 10, 2014:
HME TypeModelSizeQuantity
ANFO Loader 180 HP ....................... Subscription required
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Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Nov 14, 2022
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Corporate Filings & Presentations:

DocumentYear
Management Discussion & Analysis 2018
Preliminary Economic Assessment 2014
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News:

NewsDate
Canadian Manganese Announces Non-Brokered Private Placement of Unsecured Convertible Debentures and Flow-Through Shares May 16, 2023
Canadian Manganese Files Updated Technical Report for Plymouth Deposit of Woodstock Project April 19, 2023
Canadian Manganese Validating Potential at North Hartford - Initial Drilling Intersects High Grades over Large Widths... April 4, 2023

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