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Colombia
Cerro Matoso Mine

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 Location:
40 km W from Caucasia, Colombia

  Address:
Km. 22 Carretera Sur Oriente, Córdoba
Montelibano
Colombia
234001
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WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Nickel
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life7 years (as of Jan 1, 2022)
Cerro Matoso is an integrated nickel laterite mine and smelter. Cerro Matoso is a major producer of nickel contained in ferronickel which is used to make stainless steel.


Owners

Source: p. 55, 158
CompanyInterestOwnershipInvestor's Info
South32 Limited 99.9 % Indirect
Cerro Matoso S.A. (operator) 100 % Direct
South32 owns 99.9 per cent of Cerro Matoso. Current and former employees own 0.02 per cent, with the balance of shares held in a reserve account following a buy-back.

Contractors

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Deposit Type

  • Laterite
  • Saprolite


Summary:

The Cerro Matoso deposit is located to the south of Cordoba and north of Antioquia provinces, where three peridotite bodies are present in a north-south orientation, referred to as the Cerro Matoso nickel belt. The peridotites are associated with a Cretaceous ophiolite complex, located along the northern extension of the regional NNE–SSW-oriented Cauca-Romeral fault system. Tertiary age argillaceous sediments with local coal horizons surround the peridotites.

The peridotites are present in the following areas:
- Cerro Matoso mine area, comprising the current mine and possible extensions below sedimentary cover;
- Planeta Rica License area, located 40 km north of Cerro Matoso mine; and
- Uré License area, located 15 km south of Cerro Matoso mine.

The local geological setting of Cerro Matoso is characterised by a complex set of rock types that have been grouped into a number of major rock sets.

This geological basis for the rock type grouping is critical, as the local laterite profile is characterised not only by the evolutionary products of a typical tropical laterite weathering profile, but by several unique lithologies that also occur, including tachylite and very dark (black) saprolite units.

The resulting vertical layering is based on common physical and chemical features and from top to bottom consists of four zones – a sedimentary cover, a limonitic zone, a saprolitic zone and fresh peridotite bedrock.


Mining Methods

  • Truck & Shovel / Loader


Summary:

The Cerro Matoso nickel operation is a well-established open cut mining operation. Its business model is predominantly owner-operator. The Main Pit is broken into a number of pit areas. The trucks, loading units, blasthole drills, blasting units and ancillary equipment are owned by CMSA. Some of the maintenance operations, such as drill maintenance, are completed by specialty contracting services.

Cerro Matoso uses a traditional truck-and-shovel mining approach. The operation is a mix of selective and bulk mining areas in both ore and waste. The pit design is relatively shallow from ground level (~60 masl), (approximately 70 m to the base of Pit 6 (-7 masl); however, the original hill height was approximately 200 m above the surrounding surface level (260 masl) The mining operation is constrained by the Uré River which has a water level of approximately 44 masl.

Due to the lateral extent of the orebody and the trend of Ni grade lowering with depth, the Cerro Matoso pit has generally been mined in a “top-down” method – which is appropriate for this style of orebody. The mining method is traditional truck-and shovel utilising shovel, excavator and front end loaders (FELs) as required for both primary digging and stockpile rehandle. The excavator in backhoe configuration is the primary loading unit in ore, while shovels and FELs are used in bulkier materials or stockpile reclaim.

Mining activities include removal of any growth medium (topsoil), f ........


Crushing and Grinding

Ore mined is blended with ore from stockpiles before it is passed through a two-stage crushing sequence. The two stages of crushing reduce the size from a nominal minus 600 mm to minus 50 mm.


Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Production:

CommodityUnits2022202120202019201820172016
Nickel kt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required443637
All production numbers are expressed as payable metal. ^ Guidance / Forecast.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202220212020201920182017
Tonnes processed  ......  Subscription required  ......  Subscription required  ......  Subscription required2,738 kdmt2,722 kdmt2,561 kdmt
Ore tonnes mined  ......  Subscription required  ......  Subscription required  ......  Subscription required2,278 kwmt3,741 kwmt4,447 kwmt
Annual processing capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required
^ Guidance / Forecast.
Subscription required - Subscription is required.

Reserves at June 30, 2022:
Ore Reserves Cut-off grade: Laterite - 0.6% Ni; SP - 0.6% Ni.
Mineral Resources Cut-off grade: Laterite - 0.6% Ni; SP - 0.6% Ni.

CategoryOreTypeTonnage CommodityGrade
Proven Stockpiles 7.3 Mt Nickel 1.1 %
Proven Laterite 13 Mt Nickel 1.3 %
Probable Stockpiles 5 Mt Nickel 1.1 %
Probable Laterite 1.8 Mt Nickel 1.4 %
Proven & Probable Stockpiles 12 Mt Nickel 1.1 %
Proven & Probable Laterite 15 Mt Nickel 1.3 %
Measured Stockpiles 14 Mt Nickel 1 %
Measured Laterite 116 Mt Nickel 1 %
Indicated Stockpiles 38 Mt Nickel 0.8 %
Indicated Laterite 137 Mt Nickel 0.8 %
Inferred Laterite 17 Mt Nickel 0.8 %
Total Resource Stockpiles 52 Mt Nickel 0.9 %
Total Resource Laterite 270 Mt Nickel 0.9 %

Commodity Production Costs:

CommodityUnits2022202120202019201820172016
Cash costs (sold) Nickel USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 3.67 / lb   3.77 / lb   4.08 / lb  
^ Guidance / Forecast.
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Operating Costs:

Units20222021202020192018
Total operating costs ($/t milled) USD 148124120132129

Financials:

Units2023202220212020201920182017
Capital expenditures (planned) M USD  ......  Subscription required
Sustaining costs M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 22   14  
Growth Capital M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required
Capital expenditures M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required
Revenue M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 559   377  
EBIT M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 120   -16  
EBITDA M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 209   74  
Subscription required - Subscription is required



Heavy Mobile Equipment as of March 11, 2015:
HME TypeModelQuantity
Dozer (crawler) ....................... Subscription required ....................... Subscription required
Drill (blasthole) ....................... Subscription required ....................... Subscription required
Drill (blasthole) ....................... Subscription required ....................... Subscription required
Excavator ....................... Subscription required ....................... Subscription required
Excavator ....................... Subscription required ....................... Subscription required
Grader ....................... Subscription required ....................... Subscription required
Loader (FEL) ....................... Subscription required ....................... Subscription required
Loader (FEL) ....................... Subscription required ....................... Subscription required
Shovel ....................... Subscription required ....................... Subscription required
Shovel ....................... Subscription required ....................... Subscription required
Truck (dump) ....................... Subscription required ....................... Subscription required
Truck (dump) ....................... Subscription required ....................... Subscription required
Truck (water) ....................... Subscription required ....................... Subscription required
Truck (water) ....................... Subscription required ....................... Subscription required
Subscription required - Subscription is required.

Mine Management:

Job TitleNamePhoneEmailProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Oct 10, 2022
....................... Subscription required ....................... Subscription required Subscription required Oct 10, 2022
....................... Subscription required ....................... Subscription required Subscription required Oct 10, 2022
....................... Subscription required ....................... Subscription required Subscription required Oct 10, 2022
....................... Subscription required ....................... Subscription required Subscription required Oct 10, 2022
....................... Subscription required ....................... Subscription required Subscription required Oct 10, 2022
....................... Subscription required ....................... Subscription required Subscription required Oct 10, 2022
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Subscription required Oct 10, 2022
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required Subscription required 2021
Subscription required Subscription required Subscription required 2020
Subscription required Subscription required Subscription required 2019
Subscription required Subscription required Subscription required 2018

Corporate Filings & Presentations:

DocumentYear
Annual Report 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Annual Report 2017
Annual Report 2016
Other 2015
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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