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Madagascar
Ambatovy Mine

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 Location:
11 km NE from Moramanga, Madagascar

  Address:
Ambatovy Immeuble Tranofitaratra 7ème étage Rue Ravoninahitriniarivo Ankorondrano
Antananarivo
Madagascar
101
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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
  • Cobalt
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life27 years (as of Jan 1, 2020)
Located in Madagascar, the Ambatovy Joint Venture is the largest finished nickel and finished cobalt operation from lateritic ore in the world.

Ambatovy JV recommenced production of nickel in March 2021, after suspending operations due to COVID-19 from March 2020.


Owners

Source: p. 34
CompanyInterestOwnership
Korea Resources Corp. 33 % Indirect
Sumitomo Corp. 54.17 % Indirect
On August 31, 2020, Sherritt International Corporation reduced its interest in the Ambatovy Joint Venture to nil.

Sumitomo Corp.'s share in equity is 54.17%.

Korea Resources Corporation's 33% stake in the Ambatovy Joint Venture.

Contractors

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Deposit Type

  • Laterite


Summary:

The Ambatovy orebody consists of two large, thick, weathered ultramafic lateritic nickel deposits located approximately 3 km apart. The regional geological setting is a north-south belt of basic gneisses and migmatites, which are part of the high- grade metamorphic rocks underlying the eastern two- thirds of Madagascar. The dominant feature of the Ambatovy resource is the Antampombato Complex, a large intrusive that cuts the metamorphic rocks. The intrusive is composed of gabbroic to syenitic rocks with two small outer ultramafic bodies rimming the intrusive. Exploration suggests that the complex represents multiple, magmatic intrusions that commenced with ultramafic intrusive, then was followed by gabbroic intrusives and terminated with the more felsic intrusive.

The Ambatovy Deposit occurs towards the southern margin of the complex and is approximately 3 km x 2.4 km and oriented in a west-northwest to east-southeast direction. A northwest trending gabbroic intrusive cuts the Ambatovy Deposit resulting in three sub- blocks: Ambatovy West, Central and Southeast. The Analamay Deposit is located at the eastern margin of the complex and is approximately 4 km x 2.8 km, oriented north-south and it also is divided into sub- blocks known as Analamay North, Central and South. Ambatovy West is cut by numerous block faults that strike northwest/southeast with a conjugate set, striking northeast/southwest. Evidence indicates that faulting continued during the laterisation. < ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

The mining method used by the Ambatovy Joint Venture is open pit mining using an excavator/truck operation. Bench mining is executed in opened deposits using hydraulic backhoe excavators equipped with 5.4 m3 buckets and a combination of rigid and articulated haulage trucks. The mine operates 365 days per year. Ore is either directly fed to the OPP or stockpiled for future processing.

Pit Limits.
The pit limits are well defined; generally, the base of the pits is the floor of the saprolite (the exception being if the slope is greater than 27° when the bedrock may form the pit floor), whilst the lateral extents are constrained either by lease/environmental boundaries or economic limits.

Pit design parameters:
- Ramp width (single/double) - 30 m
- Ramp gradient - 8 %
- Bench height - 4 m
- Bottom pushback minimum size - 0 m
- Standoff from haulroad - 10 m
- Standoff from boundary - 30 m
- Haulroad gradient - 8 %
- Haulroad section - 300 m
- Pushback minimum width - 30 m
- Minimum switchback width - 60 m
- Bench face angle (batter angle) - 45 m
- Berm width – 8 m.

A mixed fleet is used at Ambatovy, large Cat 6030 and 6020 excavators and Cat 777 haul trucks (90-t payload) move the bulk of ore and waste material. A smaller fleet of Cat 385 excavators (90-t, 5.4 m3 bucket) and Cat 745 (41-t payload) articulated dump trucks are used for residual ore mining, stockpiling reclamation, q ........


Crushing and Grinding


Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Production:
2020 Nickel production is reported since recommenced production in Q4 2020.

CommodityUnits2022202120202019201820172016
Nickel t  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required33,18331,52442,105
Cobalt t  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
All production numbers are expressed as powder. ^ Guidance / Forecast.
Subscription required - Subscription is required.

Operational Metrics:

Metrics2016
Annual production capacity 60,000 t of nickel powder
Annual production capacity 5,600 t of cobalt powder

Reserves at December 31, 2019:
Mineral Reserve estimates are based on a cut-off grade of 0.45% nickel.
Mineral Resource estimates are based on a cut-off grade of 0.45% nickel.

CategoryTonnage CommodityGradeContained Metal
Proven 39.2 Mt Nickel 0.89 % 349.5 kt
Proven 39.2 Mt Cobalt 0.08 % 30.4 kt
Probable 85.3 Mt Nickel 0.87 % 738.9 kt
Probable 85.3 Mt Cobalt 0.08 % 68.9 kt
Proven & Probable 124.5 Mt Nickel 0.88 % 1,096 kt
Proven & Probable 124.5 Mt Cobalt 0.08 % 99.6 kt
Measured 46.3 Mt Nickel 0.96 % 444.5 kt
Measured 46.3 Mt Cobalt 0.08 % 37 kt
Indicated 126.9 Mt Nickel 0.91 % 1,155 kt
Indicated 126.9 Mt Cobalt 0.08 % 101.5 kt
Measured & Indicated 185.9 Mt Nickel 0.91 % 1,697 kt
Measured & Indicated 185.9 Mt Cobalt 0.08 % 146.2 kt
Inferred 68.7 Mt Nickel 0.85 % 584 kt
Inferred 68.7 Mt Cobalt 0.08 % 55 kt

Commodity Production Costs:

CommodityUnits20192018201720162015
Credits (by-product) Nickel USD  ......  Subscription required -2.98 / lb   -2.35 / lb   -0.82 / lb   -0.87 / lb  
Cash costs (sold) Nickel USD  ......  Subscription required 6.79 / lb   6.01 / lb   4.89 / lb   5.49 / lb  
Cash costs (sold) Nickel USD  ......  Subscription required† 3.91 / lb†   3.83 / lb†   4.27 / lb†   4.83 / lb†  
† Net of By-Product.

Financials:

Units2021202020192018
Operating Income M CAD  ......  Subscription required -340.5  
Pre-tax Income M CAD  ......  Subscription required -619.7  
After-tax Income M CAD  ......  Subscription required -625.1  
Earnings M  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required


Pipelines
Source: Subscription required


Heavy Mobile Equipment as of June 30, 2018:
HME TypeModelSize
Excavator ....................... Subscription required
Excavator ....................... Subscription required
Excavator ....................... Subscription required 90 t
Truck (dump) ....................... Subscription required
Truck (haul) ....................... Subscription required 90 t
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jul 25, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 25, 2022
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....................... Subscription required ....................... Subscription required Subscription required Jul 25, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 25, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 25, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 25, 2022
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required Subscription required 2020
Subscription required Subscription required Subscription required 2019
Subscription required Subscription required Subscription required 2018
Subscription required Subscription required Subscription required 2017
Subscription required Subscription required Subscription required 2016
Subscription required Subscription required Subscription required 2015

Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Annual Information Form 2018
Fact Sheet 2018
Quarterly Report 2018
Technical Report 2018
Annual Information Form 2017
Annual Report 2017
Annual Report 2017
Sustainability Report 2017
Annual Information Form 2016
Annual Report 2016
Sustainability Report 2016
Annual Information Form 2015
Annual Report 2015
Annual Report 2015
Fact Sheet 2015
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