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Peru
Macusani Project

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 Location:
19 km NW from Macusani, Peru

  Project Contacts:
710-1030 W Georgia Street
Vancouver
British Columbia, Canada
V6E 2Y3
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EmailEmail
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 & Underground
Commodities
  • Uranium
Mining Method
  • Truck & Shovel / Loader
  • Continuous
  • Room-and-pillar
Mine Life10 years (as of Jan 1, 2016)
Macusani Project is one of the world’s largest and lowest-cost uranium deposits.
Latest NewsAmerican Lithium Looks to “Spin Out” Uranium Assets to Independent Public Company     December 7, 2022


Owners

Source: p. 46
CompanyInterestOwnership
American Lithium Corp. 100 % Indirect
Plateau Uranium Inc. (now Plateau Energy Metals Inc.) is a company listed on the TSX Venture Exchange that owns 99.5 % of a Peruvian company, Macusani Yellowcake SAC. The remaining 0.5 % is held by a Peruvian individual as recommended by the Ministry of Energy and Mines (MEM).

On May 11, 2021, American Lithium Corp. acquired all of the issued and outstanding common shares of Plateau Energy Metals Inc., resulting in Plateau becoming a wholly-owned subsidiary of American Lithium.

Contractors

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Deposit Type

  • Volcanic hosted


Summary:

The style of mineralisation within fractured acidic pyroclastics is not a common form of uranium mineralisation. The main uranium mineral present is meta-autunite concentrated as disseminations and sometimes massively along fractures. Hence the exploration is based on ground radiometrics followed by evaluation drilling over the potential host rocks of the mineralisation.

The Andes represents a large anticlinorium complicated by a series of faults and intrusions, with the flanks of this superstructure are made up of the coastal Mesozoic and eastern Palaeozoic belts. The Andes represent the Late Tertiary and Quaternary rejuvenation by block faulting of an eroded early Tertiary folded mountain range which occupied the axis of Palaeozoic and Mesozoic geosynclines. Topographically the mountains consist of a central dissected plateau, the Intermontane Depressions and Altiplano enclosed by narrow ranges, the Western Cordillera and the Eastern Cordillera.

In the area of interest, late Tertiary tuffs, ignimbrites and associated sediments are preserved in a northwest-southeast trending graben. Much of the Early Tertiary and Mesozoic cover was eroded prior to deposition of the pyroclastics so they were deposited in part directly on the Palaeozoic rocks including Late Palaeozoic intrusives (Hercynian granites) and extrusives (Mitu volcanics).

The known uranium occurrences in the Macusani region identified by IUREP are associated with these Pliocene and ........


Mining Methods

  • Truck & Shovel / Loader
  • Continuous
  • Room-and-pillar


Summary:

A base case contains of 101 Mt of Mineral Resources that are projected to be extracted from open pits and 8.23 Mt from underground mining. The base case open pits are planned to extract 30 000 tpd of PEM through conventional drill/blast and truck/shovel methods. The base case includes a LOM average of 10.9 Mt/a at 289 ppm U3O8 for a total of 31 400 t of contained U3O8 metal and 61.0 M lbs of recovered U3O8.

The Colibri, Kihitian and Isivilla Complexes (Complex 2, 3, and 4 respectively) are planned to be recovered from open pit mining operations. Due to the orientation and topography of the Kihitian Complex, significant Mineral Resources are uneconomic to mine via the open pit method due to the excessive stripping costs and, as such, an underground operation is planned for mineralised material above cut-off.

The open pit fleet will move PEM to either the processing area or a mobile crusher, depending on proximity. An allowance has been included in the open pit fleet to haul underground PEM to a central crushing plant.

The Mineral Resources available for underground mining that forms the project LOM plan are contained within a portion of the Mineral Resource block model that is excluded from current economic open pit limits, but which is judged potentially mineable by underground methods. These Mineral Resources contain a significant quantity of Inferred material. For conceptual production, Inferred material has been included within the design ........


Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Projected Production:

CommodityUnitsAvg. AnnualLOM
Uranium (U3O8) M lbs 6.161
All production numbers are expressed as U3O8.

Operational Metrics:

Metrics
Stripping / waste ratio 2.1 *
Daily ore mining rate 30,000 t *
Waste tonnes, LOM 229 Mt *
Ore tonnes mined, LOM 109 Mt *
Total tonnes mined, LOM 338 Mt *
Annual milling capacity 10.9 Mt *
Annual ore mining rate 10.9 Mt *
* According to 2016 study.

Reserves at January 12, 2016:
Cut-off 75 U ppm

CategoryTonnage CommodityGradeContained Metal
Measured & Indicated 95.185 Mt U3O8 210 g/t 51.94 M lbs
Inferred 130.02 Mt U3O8 213 g/t 72.11 M lbs

Commodity Production Costs:

CommodityUnitsAverage
Cash costs U3O8 USD  ......  Subscription required&nbs
All-in sustaining costs (AISC) U3O8 USD  ......  Subscription required&nbs
Assumed price U3O8 USD  ......  Subscription required&nbs
* According to 2020 study / presentation.
Subscription required - Subscription is required.

Operating Costs:

Units2016
Combined mining costs ($/t milled) USD 6.17 *
Processing costs ($/t milled) USD  ......  Subscription required
G&A ($/t milled) USD  ......  Subscription required
Total operating costs ($/t milled) USD  ......  Subscription required
* According to 2016 study.
Subscription required - Subscription is required.

2016 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Initial CapEx $M USD  ......  Subscription required
Expansion CapEx $M USD  ......  Subscription required
Closure costs $M USD  ......  Subscription required
Total CapEx $M USD  ......  Subscription required
Pre-tax NPV @ 10% $M USD  ......  Subscription required
Pre-tax NPV @ 8% $M USD  ......  Subscription required
After-tax NPV @ 10% $M USD  ......  Subscription required
After-tax NPV @ 8% $M USD  ......  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 January 12, 2016:
HME TypeModelSizeQuantityLeased or
Contractor
Continuous Miner 80 kW ....................... Subscription required
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... 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 Nov 15, 2022
Subscription required - Subscription is required.

Staff:

Total WorkforceYear
Subscription required 2016

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
Preliminary Economic Assessment 2016
Subscription required - Subscription is required.

News:

NewsDate
American Lithium Looks to “Spin Out” Uranium Assets to Independent Public Company December 7, 2022

Subscription required - Subscription is required.

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