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Zambia
Mutanga Project

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 Location:
103 km SE from Lusaka, Zambia

  Project Contacts:
999 Canada Place, Suite 606
Vancouver
British Columbia, Canada
V6C 3E1
Phone  ...  Subscription required
Fax+1-604-682-2060
EmailEmail
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Overview

StagePermitting
Mine TypeOpen Pit
Commodities
  • Uranium
Mining Method
  • Truck & Shovel / Loader
Mine Life11 years (as of Jan 1, 2017)
The Project will consist of five open pits at Mutanga, Dibwe, Dibwe East, Gwabe, and Njame. There will also be three heap leach pads at Dibwe East/ Mutanga, Dibwe and Gwabe/Njame and a CPF between Dibwe East and Mutanga.


Owners

Source: p. 2
CompanyInterestOwnership
GoviEx Uranium Inc. 100 % Indirect

Contractors

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Deposit Type

  • Sandstone hosted


Summary:

The primary uranium mineralisation in the Karoo rocks conforms to sandstone-hosted fluvial channel type deposit (Nash et al., 1981; Turner, 1988).

The Karoo basins of sub-Sahara Africa comprise what may be the world’s largest sandstone-hosted uranium province. Compared to the well-known uranium-bearing sandstone basins of the western US, the area of the Karoo basins is about 30% greater, but their known uranium content as of 2003 was only about 7% of that in the US basins. Whereas both areas contain broadly similar, little deformed, predominantly non-marine strata, mainly of Mesozoic age, the order of magnitude lower apparent uranium content of the Karoo basins indicates that they are relatively underexplored (Roux, 1998; Bowell et al., 2009).

Mineralisation

Mutanga, Dibwe and Dibwe East
Mineralisation appears to be later than at least some of the normal faults which cut the Escarpment Grit Formation. This is evident from the good correlation of the radiometric logging data between adjacent holes within the Mutanga mineral deposit separated by interpreted faulting (Lusambo, V. 2011).

The source of the uranium is believed to be the surrounding Proterozoic gneisses and plutonic basement rocks. Having been weathered from these rocks, the uranium was dissolved, transported in solution and precipitated under reducing conditions in siltstones and sandstones. Post lithification fluctuations in the groundwater table caused dissolution ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

The preliminary mining plan for the Mutanga Uranium Project includes the flowing deposits: Dibwe East (“DE”), Dibwe (“DI”), Gwabe (“GW”), Mutanga (“MU”) and Njame (“NJ”).

The deposits are amenable to conventional, shallow open cast mining methods utilising excavators and trucks with relatively low stripping ratios. Ore and waste is in a cemented sandstone that will require blasting. Pit optimisations were run for considered deposits to determine pit limits and pushback development. Production schedules have been prepared for all deposits using a cut-off grade of 129 ppm U3O8 and a plant feed rate of 4.0 Mt per annum (“Mtpa”).

A number of economic and technical parameters used for this study are based on assumptions and historical studies. These parameters will be further interrogated and updated in future studies. A base case metal price of 50USD/lb U3O8 was used for the pit optimisation results in a Run of Mine (“RoM") inventory to cover 11 years of production from the six considered deposits.

Mining losses and dilution were applied as 10% and 10% global values. Diluting grade used was 0.0 ppm U3O8. The total pit inventory for mineralized material is 40.8 Mt at 333 ppm U3O8. The overall strip ratio for the Project is 3.4 (t:t), but varies from 1.4 to 6.0 (t:t) depending on the deposit.

At the time of writing, the pit design is preliminary and SRK only developed wireframes with appropriate sensitivity analysis. The mining product ........


Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

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Projected Production:

CommodityUnitsAvg. AnnualLOM
Uranium (U3O8) M lbs 2.426
All production numbers are expressed as U3O8.

Operational Metrics:

Metrics
Stripping / waste ratio 3.4 *
Waste tonnes, LOM 138 Mt *
Ore tonnes mined, LOM 41 Mt *
Total tonnes mined, LOM 179 Mt *
Tonnes processed, LOM 41 Mt *
Annual processing rate 4 Mt *
Annual ore mining rate 4 Mt *
* According to 2017 study.

Reserves at November 21, 2017:
The cut-off grade used for reporting the Mineral Resource is 100 ppm U3O8.

CategoryTonnage CommodityGradeContained Metal
Measured 5.9 Mt U3O8 366 ppm 4.8 M lbs
Indicated 15.7 Mt U3O8 299 ppm 10.4 M lbs
Measured & Indicated 21.6 Mt U3O8 317.5 ppm 15.1 M lbs
Inferred 74.6 Mt U3O8 273 ppm 44.9 M lbs

Commodity Production Costs:

CommodityUnitsAverage
Cash costs Uranium (U3O8) USD 31.2 / lb *  
Total cash costs Uranium (U3O8) USD 36.4 / lb *  
Assumed price Uranium (U3O8) USD 58 / lb *  
* According to 2017 study / presentation.

Operating Costs:

Units2017
OP mining costs ($/t milled) USD 11.1 *
Processing costs ($/t milled) USD  ......  Subscription required
G&A ($/t milled) USD  ......  Subscription required
Total operating costs ($/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
Closure costs $M USD  ......  Subscription required
Total CapEx $M USD  ......  Subscription required
OP OpEx $M USD  ......  Subscription required
Processing OpEx $M USD 288.9
Transportation (haulage) costs $M USD 20.4
G&A costs $M USD 39.7
Total OpEx $M USD  ......  Subscription required
Income Taxes $M USD  ......  Subscription required
Royalty payments $M USD  ......  Subscription required
Gross revenue (LOM) $M USD  ......  Subscription required
EBITDA (LOM) $M USD  ......  Subscription required
Net Income (LOM) $M USD  ......  Subscription required
After-tax Cash Flow (LOM) $M USD  ......  Subscription required
After-tax NPV @ 10% $M USD  ......  Subscription required
After-tax NPV @ 8% $M USD  ......  Subscription required
After-tax IRR, %  ......  Subscription required
After-tax payback period, years  ......  Subscription required
Subscription required - Subscription is required.


Proposed Heavy Mobile Equipment as of November 30, 2017:
HME TypeSizeQuantityLeased or
Contractor
Backhoe ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required Leased
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Nov 23, 2022
....................... Subscription required ....................... Subscription required Subscription required Nov 30, 2017
....................... Subscription required ....................... Subscription required Subscription required Nov 23, 2022
....................... Subscription required ....................... Subscription required Subscription required Nov 23, 2022
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2022
Fact Sheet 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
Corporate Presentation 2017
Preliminary Economic Assessment 2017
Press Release 2017
Technical Report 2013
Subscription required - Subscription is required.

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