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France
Koniambo Mine

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 Location:
10 KM NW from Koné, France

  Address:
Route Territoriale 1 - Site de Vavouto, 98833 Voh, Province Nord, Koné
New Caledonia
France
98860
Phone  ...  Subscription required
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Processing
  • Production
  • Reserves
  • Financials
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Nickel
Mining Method
  • Truck & Shovel / Loader
Processing
  • Pyrometallurgical plant / circuit
  • Calcining
  • Dry Screening
  • Crush & Screen plant
  • Reverse osmosis
  • Electric furnace
Mine Life17 years (as of Jan 1, 2020)


Owners

Source:
CompanyInterestOwnership
Glencore plc. 49 % Indirect
Société Minière du Sud Pacifique (SMSP) 51 % Indirect
Koniambo Nickel SAS is a joint venture owned by Société Minière du Sud Pacifique SMSP (51%) and Glencore Xstrata (49%).

Deposit Type

  • Saprolite
  • Laterite


Summary:

The saprolite deposit contains 75.6 million tonnes of measured and indicated resources grading 2.47% of nickel and 83 million tonnes of inferred resources grading 2.5%. The Koniambo orebody extends over 20 kilometers long and 5 kilometers wide. On this area of approximately 21 square kilometers has a mineralization of lateritic origin with high contents of nickel.

The laterite profile of the deposit can be described as having a thin layer of rich duricrust that is superimposed on a layer of limonite covering an area of transition finally leading to a layer of saprolite. The quality of nickel, cobalt, iron and various oxide ores varies with depth. The potential economic lateritic material is found mainly along the crest of the orebody and occasionally in the form of scattered pockets on several isolated terraces that extend to the West. Except for four large plates, limonite covering is generally less than 5 meters and it often brings out the trading saprolite.


Mining Methods

  • Truck & Shovel / Loader


Summary:


Crushing and Grinding


Processing

  • Pyrometallurgical plant / circuit
  • Calcining
  • Dry Screening
  • Crush & Screen plant
  • Reverse osmosis
  • Electric furnace

Source: Subscription required

Summary:

Ferronickel production is carried out by using a conventional pyrometallurgical process with a new technology developed by units of research and development of Falconbridge. The process Nickel Smelting Technology, uses modern technology equipment, tested extensively in other heavy industries, and so solves many of the problems encountered with traditional ferronickel plants.

Its design is specifically designed to confine the dust, allowing advanced environmental performance. The process draws heavily on the cement industry has introduced in recent years the recycling and reuse of process gas to save energy. The need to treat fine particles has led to the selection of DC electric furnaces. In the same manner as in steel mills, the furnaces envelope is completely cooled by water. Very versatile furnaces are simple mechanical and metallurgical standpoint. The end result is a semi continuous process characterized by a high level of automation and efficient use of manpower.
........


Production:

CommodityUnits2020201920182017201620152014
Nickel kt  ......  Subscription required  ......  Subscription required2818149.113
All production numbers are expressed as metal in alloy.
Subscription required - Subscription is required.

Operational Metrics:

Metrics2020
Annual production capacity  ......  Subscription required
Annual ore mining rate  ......  Subscription required
Subscription required - Subscription is required.

Reserves at December 31, 2020:
The reserve cut-off grade used is 2.0% Ni.

CategoryTonnage CommodityGrade
Proven 11 Mt Nickel 2.23 %
Probable 26 Mt Nickel 2.17 %
Proven & Probable 37.2 Mt Nickel 2.2 %
Measured 11.5 Mt Nickel 2.47 %
Indicated 44 Mt Nickel 2.41 %
Measured & Indicated 55.5 Mt Nickel 2.42 %
Inferred 84 Mt Nickel 2.5 %

Financials:

Units202020192018201720162015
Capital expenditures M USD  ......  Subscription required  ......  Subscription required215   241   263   360  
Revenue M USD  ......  Subscription required  ......  Subscription required 152  
After-tax Income M USD  ......  Subscription required  ......  Subscription required-533   -494   -377   -4,824  
EBIT M USD  ......  Subscription required  ......  Subscription required
EBITDA M USD  ......  Subscription required  ......  Subscription required
Operating Cash Flow M USD  ......  Subscription required  ......  Subscription required-10   15   -53   44  
Subscription required - Subscription is required


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Aug 4, 2021
....................... Subscription required ....................... Subscription required Subscription required Aug 4, 2021
....................... Subscription required ....................... Subscription required Subscription required Aug 4, 2021
....................... Subscription required ....................... Subscription required Subscription required Aug 4, 2021
....................... Subscription required ....................... Subscription required Subscription required Aug 4, 2021
....................... Subscription required ....................... Subscription required Subscription required Aug 4, 2021
....................... Subscription required ....................... Subscription required Subscription required Aug 4, 2021
Subscription required - Subscription is required.

Staff:

EmployeesYear
Subscription required 2020

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2020
................................... Subscription required 2020
Annual Report 2018
Annual Result 2016
Annual Report 2014
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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