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DRC
KOV Mine (Kamoto-Mashamba East Complex)

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 Location:
7 km W from Kolwezi, DRC

  Address:
27 A, Avenue Col. Ebeya 243
Kolwezi
DRC
7188
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  • Overview
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  • Geology
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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Copper
  • Cobalt
Mining Method
  • Truck & Shovel / Loader
Processing
  • Sulfuric acid (reagent)
  • Flotation
  • Counter current decantation (CCD)
  • Acid tank leaching
  • Solvent Extraction & Electrowinning
  • Roasting
Mine Life2030
Mining operations continued during 2016 and 2017 at KOV Open Pit with a focus on waste mining.


Owners

Source:
CompanyInterestOwnership
Glencore plc. 100 % Indirect
Katanga Mining Ltd. 100 % Indirect
Kamoto Copper Company SARL 100 % Direct
On June 4, 2020, Katanga Mining Limited (TSX:KAT) became a 100% Glencore group owned company and ceased to be listed on the Toronto Stock Exchange. On June 22nd, 2020, following Ontario Securities Commission’s order, the Company ceased to be a reporting issuer.

Deposit Type

  • Sediment-hosted


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 23% 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 mineralized zones are at the western end of the Katangan copper belt.

These deposits are hosted mainly by metasedimentary rocks of the late Proterozoic Katangan system, a 7km thick succession of sediments with minor volcanics, volcanoclastics and intrusive rocks.

Primary mineralisation, in the form of sulphides, within the Lower Roan is associated with the Dolomies Stratified (DSTRAT) and Roches Siliceuses Feuilletées Foliated (Laminated) and Silicified Rocks (RFS) for the Ore-body Inferior (OBI) and the Schistes De Base or Basal Schists and Shales Dolomitiques Superieurs (SDB) or Upper Dolomitic Shales for the Ore-body Superior (OBS) and is thought to be syn-sedimentary in origin. Typical primary copper sulphide minerals are bornite, chalcopyrite, chalcocite and occasional native copper while cobalt is in the form of carrolite. The mineralization occurs as disseminations or in association with hydrothermal carbonate alteration and silicification.

These deposits are hosted mainly by metasedimentary rocks of the Late Proterozoic Katangan System, a 7km thick succession of sediments with minor volcanics, volcanoclastics and intrusives. Geochronological data indicate an age of deposition of the Katangan sediments of ~880 Ma and deformation during the Katangan Orogeny at <650 Ma. This deformation led to the formation of the northwest-southeast trending Lufilian Arc, which extends from Namibia on the west coast of Africa through to Zambia, lying to the south of the DRC. Within the DRC, the zone extends for more than 300 km from Kolwezi in the northwest to Lubumbashi in the southeast.

Stratigraphically, the rich copper and cobalt deposits found in Zambia and the DRC occur localised in the Roan Supergroup (Roan). The Roan occurs at the base of the Katanga succession, overlying the basement rock of Kibaran age (Mid-Proterozic). The Roan is separated from the overlying rocks of the Kundelungu and the Nguba Groups by a conglomerate, the Grand Conglomerat. The Nguba is composed of sandstones and shales with a basal conglomerate while the Kundelungu consists essentially of sediments and is separated from the Nguba by a conglomerate, the Petit Conglomerat.

Within the Lufilian Arc are large scale east west to northwest-southeast trending folds with wavelengths extending for kilometres. The folds are faulted along the crests of the anticlines through which rocks of the Roan Group have been diapirically injected into the fault zones, squeezed up fault planes and over thrust to lie above rocks of the younger Kundelungu. The overthrusted Roan lithologies occur as segments or fragments on surface which are intact units preserving the original geological succession within each of the fragments. A fragment could be of hundreds of metres aligned across the fault plane.


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.

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 8%. KOV OP is scheduled up to the year 2030 in Mineral Reserve LOM plan at a strip ratio of ten and three quarters on a tonne on tonne basis. Ore production is primarily oxide and mixed material with only 8% sulphide ore. The Probable Mineral Reserve estimate of 55.9 Mt at 4.23%TCu is based on the Mineral Reserve LOM plan up to 2030.


Crushing and Grinding


Processing

  • Sulfuric acid (reagent)
  • Flotation
  • Counter current decantation (CCD)
  • Acid tank leaching
  • Solvent Extraction & Electrowinning
  • Roasting

Source: Subscription required

Summary:

KTC currently comprises the following operations. Ore crushing and milling
- Oxide ore crushing and milling section treating mixed ore; and
- Sulphide ore crushing and milling section treating sulphide ore Flotation
- Oxide ore flotation treating mixed ore; and
- Sulphide ore flotation treating sulphide ore Concentrate handling The Luilu Plant currently comprises the following operations:
- Concentrate Receiving;
- Roasting;
- Leaching;
- Copper circuit;
- Cobalt circuit;
- Solvent extraction;

Mixed ore from the KOV OP is transported by truck and stockpiled near the oxide crushing area. It is blended before being crushed by jaw crushers and conveyed to stockpiles in the milling section.

Milled mixed ore is processed in the flotation circuit to produce a final sulphide concentrate, a final oxide concentrate, and a tailings stream. This is achieved by first treating the milled mixed ore in a roughing stage and a cl ........


Combined production numbers are reported under Kamoto-Mashamba East Complex

Operational Metrics:

Metrics20192018201720162015
Total tonnes mined  ......  Subscription required  ......  Subscription required  ......  Subscription required7,487,361 t39,270,221 t
Ore tonnes mined  ......  Subscription required  ......  Subscription required  ......  Subscription required825 t4,546,585 t
Waste  ......  Subscription required  ......  Subscription required  ......  Subscription required7,486,536 t34,723,636 t
Subscription required - Subscription is required.

Reserves at December 31, 2019:

CategoryTonnage CommodityGrade
Proven & Probable 54.4 Mt Copper 3.74 %
Proven & Probable 54.4 Mt Cobalt 0.48 %
Measured & Indicated 104 Mt Copper 4.81 %
Measured & Indicated 104 Mt Cobalt 0.53 %
Inferred 77.4 Mt Copper 4.4 %
Inferred 77.4 Mt Cobalt 0.38 %


Heavy Mobile Equipment as of November 7, 2019:
HME TypeModelQuantityStatus
Backhoe ....................... Subscription required 1 Existing
Compactor ....................... Subscription required 1 Existing
Dozer ....................... Subscription required 9 Existing
Dozer ....................... Subscription required 4 Existing
Dozer (rubber tire) ....................... Subscription required 1 Existing
Drill ....................... Subscription required 3 Existing
Drill ....................... Subscription required 1 Existing
Drill ....................... Subscription required 1 Existing
Excavator ....................... Subscription required 2 Existing
Excavator ....................... Subscription required 1 Existing
....................... Subscription required ....................... Subscription required 2 Proposed
Excavator ....................... Subscription required 2 Existing
Excavator ....................... Subscription required 1 Existing
....................... Subscription required ....................... Subscription required 3 Proposed
Excavator ....................... Subscription required 4 Existing
Grader ....................... Subscription required 2 Existing
Grader ....................... Subscription required 3 Existing
Loader ....................... Subscription required 2 Existing
Loader ....................... Subscription required 1 Existing
Shovel ....................... Subscription required 2 Existing
....................... Subscription required ....................... Subscription required 1 Proposed
Truck (haul) ....................... Subscription required 22 Existing
Truck (haul) ....................... Subscription required 5 Existing
Truck (haul) ....................... Subscription required 2 Existing
....................... Subscription required ....................... Subscription required 4 Proposed
Truck (haul) ....................... Subscription required 3 Existing
Truck (water) ....................... Subscription required 2 Existing
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jan 26, 2021
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
................................... 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
Subscription required - Subscription is required.

Aerial view:

Subscription required - Subscription is required.

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