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Namibia
Skorpion Mine

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 Location:
20 km NW from Rosh Pinah, Namibia

  Address:
26 km North of Rosh Pinah
Private Bag 2003
Rosh Pinah
Namibia
2003
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Fax+264-63-271-2526
EmailEmail
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Personnel
  • Filings & News

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Overview

StatusCare and Maintenance
Mine TypeOpen Pit
Commodities
  • Zinc
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life15 years (as of Jan 1, 2021)
Skorpion Zinc has been under Care and Maintenance since start of May 2020, following cessation of mining activities due to geotechnical instabilities in the open pit. Activities to restart the mine are still in progress.

Skorpion Refinery conversion – awaiting confirmation of power tariff to take the final decision before beginning on-ground execution in FY 2024.


Owners

Source: p. 13
CompanyInterestOwnership
Vedanta Resources plc. 69.7 % Indirect

Contractors

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Deposit Type

  • Sedimentary
  • Volcanic hosted


Summary:

The mineral chemistry, ore textures and styles of mineralisation are discussed for each ore mineral. Both, the mixed sediment-/volcanic-hosted non sulphide ore body and the remnants of volcanic-hosted sulphide mineralisation are known from abundant drill core and recently exposed non-sulphide mineralisation in the open pit. Remnants of a primary sulphide mineralisation are mainly preserved in the felsic metavolcanic rocks and their hyaloclastic eqivalents, which structurally underlie the central portion of the supergene ore body at depth.

The felsic metavolcanic rocks are also exposed some hundreds meters west of the Skorpion open pit, displaying disseminated pyrite mineralisation or forming gossans. The most famous gossan, which is located west of the Skorpion ore body, is the so called 'discovery outcrop'.

Within the footwall of the Skorpion non-sulphide zinc ore body disseminated to semi-massive primary pyrite sphalerite mineralisation has been intersected at a depth of 250 m and 300 m, respectively, which features a 25-m-wide zone grading 0.6 % Zn and 0.35 % Cu.

For completeness it has to be mentioned that some minor primary sulphides have been found in metasiliciclastic rocks but also in marble in the northern extension of the Skorpion ore body about 1.5 km north of the Skorpion open pit, e.g. borehole SD104, at a depth between 550 m and 700 m in unaltered fresh equivalents of the Skorpion metasiliciclastic host rocks and marble, respectively.


Mining Methods

  • Truck & Shovel / Loader


Summary:

The Skorpion mine and refinery is located in the Karas region of southern Namibia, comprising an open pit mine. The Skorpion mine produces only high-grade, high purity SHG zinc ingots that are registered on the LME.

At Skorpion Zinc engagement with technical experts to explore opportunities of safely extracting the remaining ore is ongoing. The pit optimization work is complete. Activities to restart the mine are still in progress.

Restart Skorpion post-completion of geotechnical studies and feasibility completion of imported zinc oxides.


Crushing and Grinding
Flow Sheet: Source
Source: Source


Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Production:
Skorpion produced 0.6 kt in April 2020 before moving into Care and Maintenance
for the rest of the year.

CommodityUnits202120202019201820172016
Zinc M lbs  ......  Subscription required  ......  Subscription required  ......  Subscription required186188181
Subscription required - Subscription is required.

Operational Metrics:

Metrics2020201920182017201620152014
Ore tonnes mined 1,038,936 t1,009,243 t537,066 t1,206,176 t1,241,327 t1,344,272 t1,252,092 t
Annual production capacity 150,000 t of zinc metal150,000 t of zinc metal150,000 t of zinc metal

Reserves at March 31, 2023:

CategoryTonnage CommodityGrade
Proven & Probable 0.8 Mt Zinc 9.7 %
Measured & Indicated 3.3 Mt Zinc 12.2 %
Inferred 1.3 Mt Zinc 9.5 %

Commodity Production Costs:

CommodityUnits20202019201820172016
Cash costs Zinc USD  ......  Subscription required  ......  Subscription required 0.85 / lb   0.75 / lb   0.74 / lb  


Pipelines
TypeMaterialDiameterLengthDescription


Heavy Mobile Equipment:

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Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required 2021
Subscription required 2019
Subscription required 2018

Corporate Filings & Presentations:

DocumentYear
Integrated Report 2023
Integrated Report 2022
Other 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2019
Annual Report 2018
Annual Review 2018
Fact Sheet 2018
Annual Review 2017
Annual Review 2016
Sustainability Report 2015
Project Description 2009
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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