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DRC
KOV Mine (Katanga (Kamoto-Mashamba East) Complex)

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 Location:
7 km W from Kolwezi, DRC

  Address:
Usines de Luilu Commune de Dilala
Kolwezi
DRC
7188
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  • Geology
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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Copper
  • Cobalt
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life2029


Owners

Source: p. 6
CompanyInterestOwnership
Glencore plc. 75 % Indirect
Glencore owns 75% of Katanga. La Generale des Carrieres et des Mines and La Société Immobilière du Congo, which are state-owned mining companies in the DRC, own the remaining 25%.

Contractors

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Deposit Type

  • Sediment-hosted
  • Breccia pipe / Stockwork


Summary:

The copper-cobalt minerals hosted in rocks of the Neoproterozoic Katangan Basin in the Central African copper belt metallogenic province of the DRC are a classic example of (low energy) sediment-hosted stratiform copper (SSC) ore system deposits. These deposits are economically significant, as they account for approximately 25% of the world’s copper production and known Mineral Reserves being second only to porphyry copper deposits in terms of copper production and the most important global cobalt resource.

The copper-cobalt deposits contained in a sedimentary series of rocks are known as the Mines Group in the Katanga sequence and the Roan Group in Zambia. The sediments are shallow-water shales, dolomitic shales, reefal dolomites and possible evaporitic lagoonal mudstones, formed on a platform marginal to a subsiding basin. The rocks are exposed in a series of tightly folded and thrusted anticlines and synclines, which generally trend east-west or southeast and are often overturned to the north. In spite of this deformation overprint, the mineralized zones, although sometimes lenticular along strike and down dip, as well as showing local diapiric forms, display remarkable large-scale continuity within the Mines Group.

The KOV OP deposit can be sub-divided into five main fragments within the KCC concession. These fragments can be classified as rafts of the Lower Roan lithologies which are separated by faults and/or RAT Lilas waste intrusions. The KOV fra ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

KOV OP comprises the five orebodies namely, Kamoto-East, Oliveira and Virgule (hence the name KOV), Variante and FNSR.

The sensitivity analyses of the factor of safety for different overall slope angles were carried out for the representative groundwater levels based on piezometer measurements in the area. The analyses were performed for the northern (N1, N2, N3 and N4), south eastern (SE) and southwestern (SW) slope regions. Based on the results of the stability analysis, overall slope angles of 28º - 35º are recommended for the final pit slopes.

These recommendations take into account the lack of structural data available outside the KOV OP ore zones where the majority of the final slopes are located.

KOV OP is an existing, large-scale operation. Mining related modifying factors applied to the KOV OP mine plan include a cut-off grade of 0.65% TCu and mining dilution of 20% and 5% overall losses. Ore production is primarily oxide and mixed material with only 8% sulphide ore.


Crushing and Grinding
Flow Sheet: Source

The mixed ore milling consist of CM1 and BM1 (or CM2 and BM2), CM5, CM6 and BM6, CM7 and BM7 milling circuits.

The CM1/BM1 (or CM2/BM2) mills are operated in a closed circuit with a common cyclone clusters. CM5, CM6/BM6 and CM7/BM7 also have the same arrangement. All circuits will produce a grind of 80% -150 µm from a feed with an F80 of 150 mm. BM1/BM2, CM5, BM6 and BM7 operate with a ball load of up to 35%.

The feed to each mill circuit is measured and recorded using a weightometer installed on each AG or SAG mill feed conveyor. Process water, together with the crushed ore, is added to each AG or SAG mill to achieve a slurry solids content of 75% by mass within the mill. Scats conveyors are installed at the discharge of CM5, CM6 and CM7 to remove material from the milling area to a dedicated stockpile outside the building.


Processing

Flow Sheet: Subscription required

Summary:

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Combined production numbers are reported under Katanga (Kamoto-Mashamba East) Complex

Operational Metrics:

Metrics20192018201720162015
Total tonnes mined 39,625,398 t36,237,212 t32,004,333 t7,487,361 t39,270,221 t
Ore tonnes mined 5,643,001 t6,479,571 t433,169 t825 t4,546,585 t
Waste 33,982,397 t29,757,641 t31,571,164 t7,486,536 t34,723,636 t

Reserves at December 31, 2021:

CategoryTonnage CommodityGrade
Probable 76.6 Mt Copper 4.88 %
Probable 76.6 Mt Cobalt 0.48 %
Indicated 117 Mt Copper 6 %
Indicated 117 Mt Cobalt 0.48 %
Inferred 24.5 Mt Copper 2.1 %
Inferred 24.5 Mt Cobalt 0.33 %



Heavy Mobile Equipment as of November 7, 2019:
HME TypeModelQuantityStatus
Backhoe ....................... Subscription required ....................... Subscription required Existing
Compactor ....................... Subscription required ....................... Subscription required Existing
Dozer ....................... Subscription required ....................... Subscription required Existing
Dozer ....................... Subscription required ....................... Subscription required Existing
Dozer (rubber tire) ....................... Subscription required ....................... Subscription required Existing
Drill ....................... Subscription required ....................... Subscription required Existing
Drill ....................... Subscription required ....................... Subscription required Existing
Drill ....................... Subscription required ....................... Subscription required Existing
Excavator ....................... Subscription required ....................... Subscription required Existing
Excavator ....................... Subscription required ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Excavator ....................... Subscription required ....................... Subscription required Existing
Excavator ....................... Subscription required ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Excavator ....................... Subscription required ....................... Subscription required Existing
Grader ....................... Subscription required ....................... Subscription required Existing
Grader ....................... Subscription required ....................... Subscription required Existing
Loader ....................... Subscription required ....................... Subscription required Existing
Loader ....................... Subscription required ....................... Subscription required Existing
Shovel ....................... Subscription required ....................... Subscription required Existing
Shovel ....................... Subscription required ....................... Subscription required Existing
Truck (haul) ....................... Subscription required ....................... Subscription required Existing
Truck (haul) ....................... Subscription required ....................... Subscription required Existing
Truck (haul) ....................... Subscription required ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Truck (haul) ....................... Subscription required ....................... Subscription required Existing
Truck (water) ....................... Subscription required ....................... Subscription required Existing
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required May 5, 2022
....................... Subscription required ....................... Subscription required Subscription required May 5, 2022
....................... Subscription required ....................... Subscription required Subscription required May 23, 2022
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Management Discussion & Analysis 2017
Technical Report 2017
Annual Information Form 2016
Financial Review 2016
Management Discussion & Analysis 2016
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