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United States
Juniper Ridge Project

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 Location:
10 km W from Baggs, Wyoming, United States

  Project Contacts:
Unit 1 – 15782 Marine Drive
White Rock
British Columbia, Canada
V4B 1E6
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Overview

StagePreliminary Economic Assessment
Mine TypeOpen Pit
Commodities
  • Uranium
Mining Method
  • Truck & Shovel / Loader
Mine Life10 years (as of Jan 1, 2017)


Owners

Source:
CompanyInterestOwnership
enCore Energy Corp. 100 % Indirect
January 4, 2022 - enCore Energy Corp. and Azarga Uranium Corp. are pleased to announce the closing of the previously announced plan of arrangement whereby enCore has acquired all of the outstanding shares of Azarga Uranium.

Contractors

Subscription required - Subscription is required.


Deposit Type

  • Sandstone hosted


Summary:

Uranium mineralization in the Browns Park Formation within the Project and surrounding area is described as Wyoming sandstone roll type mineralization (Austin and D’Andrea, 1978).

While local mineralization displays some of the characteristics of known uranium deposits in the Gas Hills and Southern Powder River Basin of Wyoming, the mineralization is not necessarily typical of Wyoming roll-front deposits. The uranium mineralization within the Project is sandstone hosted and was deposited along a geochemical solution front, as is typical of roll-front mineralization and similar to other Wyoming sandstone hosted uranium deposits. The features which distinguish mineralization within the Browns Park Formation harken to its eolian origin and include the absence of carbonaceous trash and lack of stratigraphic controls, i.e., the lack of distinct vertical variations in grain size and the lack of intervening finer grained units (Rackley, 1972).

The source of uranium is described as syngenetic, alteration of the tuffaceous volcanic materials within the Browns Park Formation and/or the immediately overlying North Park Formation liberated uranium which was transported by ground water and concentrated along oxidation/reduction interfaces within the formation (Dribus and Nanna, 1982).

The localization of uranium appears to relate to local variations in permeability and the presence of pyrite and/or hydrogen sulphide. Uranium mineralization, in general, app ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

The PEA is based on open pit mining utilizing methodologies, equipment, and a generalized design criterion which has been employed at the site and similar sites in the past. Open pit mining has two major facets: primary stripping or the removal of overburden and the mining of the mineralized material as it is exposed by the stripping.

The conceptual mine designs utilized a 0.6:1 (horizontal to vertical) slope. This allows for a highwall cut at a 0.5:1 slope with 10 foot wide safety benches incorporated at 50 foot vertical intervals. Highwall heights range from less than 40 to slightly more than 200 feet. The open pit design employs similar design parameters and mining equipment configurations to those used successfully in past Wyoming conventional mine operations. Ramps were not specifically incorporated in the designs at this level of study because the pits are quite shallow on the northern or up dip side and will not add significantly to the estimated excavation volumes. Minimum turn radii and travel widths were held to 100 feet.


Crushing and Grinding


Processing

Source: Subscription required

Summary:

- subscription is required.


Projected Production:

CommodityUnitsLOM
Uranium (U3O8) k lbs 4,351
All production numbers are expressed as U3O8.

Operational Metrics:

Metrics
Annual mining capacity 400 k tons of ore *
Ore tonnes mined, LOM 4,003 k tons *
Tonnes milled, LOM 4,003 k tons of ore *
Annual production capacity 0.4 M lbs of U3O8 *
* According to 2017 study.

Reserves at June 9, 2017:

CategoryTonnage CommodityGradeContained 
Commodity
Indicated 5,139,000 tons Uranium (U3O8) 0.058 % 6,006,000 lbs
Inferred 107,000 tons Uranium (U3O8) 0.085 % 182,000 lbs

Commodity Production Costs:

CommodityUnitsAverage
Total cash costs Uranium (U3O8) USD 40 / lb *  
Assumed price Uranium (U3O8) USD 65 / lb *  
* According to 2017 study / presentation.

2017 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Total CapEx $M USD  ......  Subscription required
Total OpEx $M USD  ......  Subscription required
Gross revenue (LOM) $M USD  ......  Subscription required
Pre-tax Cash Flow (LOM) $M USD  ......  Subscription required
Pre-tax NPV @ 5% $M USD  ......  Subscription required
Pre-tax NPV @ 10% $M USD  ......  Subscription required
Pre-tax NPV @ 8% $M USD  ......  Subscription required
After-tax NPV @ 5% $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
Subscription required - Subscription is required.


Proposed Heavy Mobile Equipment as of June 9, 2017:
HME TypeModelSizeQuantity
Dozer ....................... Subscription required ....................... Subscription required
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Subscription required - Subscription is required.

Mine Management:

Job TitleNameEmailProfileRef. Date
....................... Subscription required ....................... Subscription required ....................... Subscription required Jun 9, 2017
....................... Subscription required ....................... Subscription required Subscription required Oct 31, 2022
....................... Subscription required ....................... Subscription required Subscription required Jun 9, 2017
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2020
Preliminary Economic Assessment 2017
Form 10-K 2015
Preliminary Economic Assessment 2014
Subscription required - Subscription is required.

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