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Namibia
Etango-8 Project

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 Location:
40 km NE from Walvis Bay, Namibia

  Project Contacts:
45 Mandume Ya Ndemufayo Street Industrial Area
PO Box 2854
Swakopmund
Namibia
2854
Phone  ...  Subscription required
Fax+264-64-416-240
EmailEmail
WebsiteWeb
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  • Overview
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Overview

StagePermitting
Mine TypeOpen Pit
Commodities
  • Uranium
Mining Method
  • Truck & Shovel / Loader
Mine Life15 years (as of Jan 1, 2022)


Owners

Source: p. 3
CompanyInterestOwnership
Bannerman Energy Ltd. 95 % Indirect
The Etango Project is owned by Bannerman Energy Ltd, through its 95%-owned subsidiary Bannerman Mining Resources (Namibia) (Pty) Ltd.

Contractors

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Deposit Type

  • Intrusion related


Summary:

Primary uranium mineralisation in the Etango-8 Project area is related to uraniferous leucogranites, locally referred to as alaskites. The alaskites are often sheet-like, and occur both as cross-cutting dykes and as bedding and/or foliation-parallel sills, which can amalgamate to form larger, composite granite plutons or granite stockworks, made up of closely-spaced dykes and sills. These alaskite intrusions can be in the form of thin cm-wide stringers or thick bodies up to 200 m in width.

The alaskite bodies have intruded into the metasediments of the Nosib and Swakop Groups of the Damara Supergroup. These metasediments and alaskite intrusions flank the Palmenhorst Dome which is cored by Mesoproterozoic (1.7 2.0 Ga) gneisses, intrusive rocks and meta-sediments of the Abbabis Metamorphic Complex.

Uranium mineralisation in the Etango-8 Project area occurs almost exclusively in the alaskite intrusives. Minor uranium mineralisation is also found in the metasedimentary sequences close to the alaskite contacts, probably from metasomatic alteration and in minor thin alaskite stringers within the metasediments.

The dominant primary uranium mineral is uraninite (UO2), with minor primary uranothorite ((Th,U)SiO4) and some uranium in solid solution in thorite (ThO2). The uraninite is commonly associated with chloritised biotite in the alaskites and with ilmenite and magnetite within foliated alaskites. The primary uranium mineralisation occurs as micros ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

The deposit is a large, shallow uranium deposit that is amenable to bulk open pit mining, followed by crushing, heap leaching, ion-exchange, nano-filtration and uranium recovery. The heap leaching operation can treat approximately 8Mtpa dry ROM feed material to produce on average 3.5 million pounds of triuranium octoxide (U3O8) per annum to be drummed and shipped.

For the purpose of the Etango-8 PFS, it was assumed that mining would take place by conventional open pit methods and that the whole mining operation, except for the mine technical services function, will be outsourced to a reputable mining contractor company. This includes drilling, blasting, loading and hauling of ore and waste.

Drilling and blasting would be performed on 12 m high benches. Waste benches will be excavated in a bulk mining fashion with shovels on a single 12 m bench while mineralised benches will be selectively loaded in three 4m flitches using backhoe excavators to minimise ore loss and dilution. The truck and shovel match on the ore and waste benches have been considered by the reputable mining contractor as follows:
- A 130-t hydraulic backhoe shovel would be employed for selective loading purposes;
- The waste benches would be mined in a bulk mining approach where a 250-t hydraulic face shovels will be utilised to load the full 12 m bench;
- In both cases 100-t capacity, off-highway rigid haul truck would be used and standard open-cut drilling and auxiliar ........


Crushing and Grinding
Source: Subscription required

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Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Projected Production:

CommodityUnitsAvg. AnnualLOM
Uranium M lbs 3.553
All production numbers are expressed as yellow cake.

Operational Metrics:

Metrics
Stripping / waste ratio  ......  Subscription required
Waste tonnes, LOM  ......  Subscription required
Ore tonnes mined, LOM  ......  Subscription required
Total tonnes mined, LOM  ......  Subscription required
Tonnes processed, LOM  ......  Subscription required
Annual processing rate  ......  Subscription required
Annual processing capacity  ......  Subscription required
Annual ore mining rate  ......  Subscription required
* According to 2022 study.
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Reserves at November 30, 2021:
The Mineral Resources and Reserves estimate has been reported above 100ppm U3O8 cut-off.

CategoryTonnage CommodityGradeContained Metal
Proven 15.6 Mt U3O8 237 ppm 8.2 M lbs
Probable 97.9 Mt U3O8 240 ppm 51.8 M lbs
Proven & Probable 113.5 Mt U3O8 240 ppm 59.9 M lbs
Measured 26.6 Mt U3O8 226 ppm 13.3 M lbs
Indicated 276.9 Mt U3O8 223 ppm 136.4 M lbs
Inferred 112.5 Mt U3O8 230 ppm 57.1 M lbs
Total Resource 428.7 Mt U3O8 225 ppm 206.8 M lbs

Commodity Production Costs:

CommodityUnitsAverage
Cash costs Uranium (U3O8) USD  ......  Subscription required&nbs
Total cash costs Uranium (U3O8) USD  ......  Subscription required&nbs
All-in sustaining costs (AISC) Uranium (U3O8) USD  ......  Subscription required&nbs
Assumed price Uranium (U3O8) USD  ......  Subscription required&nbs
* According to 2022 study / presentation.
Subscription required - Subscription is required.

Operating Costs:

Units2022
OP mining costs ($/t mined) USD 2.36 *
OP mining costs ($/t milled) USD  ......  Subscription required
Processing costs ($/t milled) USD  ......  Subscription required
G&A ($/t milled) USD  ......  Subscription required
Total operating costs ($/t milled) USD  ......  Subscription required
* According to 2022 study.
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2022 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Pre-Production capital costs $M USD  ......  Subscription required
Sustaining CapEx $M USD  ......  Subscription required
Closure costs $M USD  ......  Subscription required
OP OpEx $M USD  ......  Subscription required
Processing OpEx $M USD 785
G&A costs $M USD 134
Total OpEx $M USD  ......  Subscription required
Total Taxes $M USD  ......  Subscription required
Gross revenue (LOM) $M USD  ......  Subscription required
Pre-tax Cash Flow (LOM) $M USD  ......  Subscription required
After-tax Cash Flow (LOM) $M USD  ......  Subscription required
Pre-tax NPV @ 8% $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
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Pipelines and Water Supply
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Proposed Heavy Mobile Equipment as of June 12, 2022:
HME TypeModelSizeQuantityLeased or
Contractor
Drill (blasthole) 165 mm Leased
....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required Leased
Subscription required - Subscription is required.

Mine Management:

Job TitleNamePhoneProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Feb 2, 2023
....................... Subscription required ....................... Subscription required Subscription required Feb 2, 2023
....................... Subscription required ....................... Subscription required ....................... Subscription required Subscription required Feb 2, 2023
Subscription required - Subscription is required.

Staff:

Total WorkforceYear
Subscription required 2022

Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2022
Feasibility Study Report 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
Project Description 2015
Technical Report 2015
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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