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Indonesia
PTVI (Sorowako) Mine

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 Location:
140 km NE from Palopo, Indonesia

  Address:

Luwu Timur
Indonesia
92984
Phone  ...  Subscription required
Fax+62-475-332-9575
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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 Life2045
PTVI comprises Sorowako mine, Bahodopi and Pomalaa Projects (Exploration Stage).

PT Vale started new development projects in three provinces, in Morowali, Central Sulawesi, Pomalaa, Southeast Sulawesi, and in Sorowako, South Sulawesi. The development projects are targeted for operations in 2025.

The contract of work entered by PTVI and the Indonesian government will expire in 2025. PTVI is entitled to two 10-year extensions, subject to government approval.


Owners

Source: p. 65,66
CompanyInterestOwnership
Sumitomo Corp. 0.14 % Indirect
Sumitomo Metal Mining Co., Ltd 15.03 % Indirect
PT Indonesia Asahan Aluminium (Persero) 20 % Indirect
Vale S.A. 44.34 % Indirect
PT Vale Indonesia Tbk (operator) 100 % Direct
Sorowako is owned and operated by PT Vale Indonesia Tbk (PTVI).

Vale indirectly hold 44.34% of PTVI. Sumitomo Metal Mining (“Sumitomo”) holds 15.03%, PT Indonesia Asahan Aluminium (Persero) (“Inalum”) holds 20%, Sumitomo Corporation holds 0.14% and the public holds 20.49%.

Contractors

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Deposit Type

  • Laterite
  • Breccia pipe / Stockwork


Summary:

Nickel laterite deposits in the Sorowako and Petea area are generally classified into two main types, West Block and East Block types, depending upon the nature of bedrock, the level of serpentinisation, ease of mining, size of boulders, degree of fracturing of the bedrock, optimum screen fraction that carries nickel grades, and the silica-to-magnesia ratios in the mineralisation.

West Block type deposits
These deposits are developed over a relatively unserpentinised peridotite bedrock; commercially mineable grades are confined to the -1" fines fraction; and silica to magnesia ratios are high (2.2 to 2.6 range).

West Block type deposits are categorized into Types 1, 2 and 3, depending on the degree of fracturing in the bedrock and the size of the resulting boulders. Type 1 deposits are the most difficult to mine due to weak fracturing of the bedrock and the resulting large size of the boulders. Type 2 and Type 3 deposits are successively easier to mine and are formed over more fractured bedrock resulting in boulders within the mineralisation profile that mining equipment can handle.

Optimum nickel grades in all West Block type deposits are confined to -1" screen fraction. Oversize is generally barren or very low grade. Exceptions exist in breccia mineralisation where siliceous garnierite carries respectable grades in the +1" fraction.

East Block type and Petea deposits.
These deposits are developed over bedrock that ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

The surface mining is not traditional pit mining but more an “open cast” system by truck and shovel where contour side cuts are made into a hill. Anywhere from eight to ten hills are actively mined to provide ROM that meets the quality specifications (ore chemistry) of feed for the nickel processing plant. Mining operations is supported by a number of facilities, including mining roads, heavy equipment, ports, fuel terminals, fuel pipelines, and fuel storage tanks. In 2022, company conducted an operational trial using one electric mining truck. The CXMG type XDR-80-TE electric truck was made in China and has a transport capacity of 70 tons with a number of advantages, one of which is automatic charging on downhill roads. Heavy Equipment 2022: 45 Excavators (20 to 200 Tons class) 110 Trucks (100–130 tons class)


Crushing and Grinding


Processing

Flow Sheet: Subscription required

Summary:

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Production:

CommodityUnits2022202120202019201820172016
Nickel kt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required727381
All production numbers are expressed as metal in matte.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202220212020201920182017
Ore tonnes mined  ......  Subscription required  ......  Subscription required  ......  Subscription required4,286 kt4,469 kt4,569 kt
Daily production capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required
Annual production capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required80,000 t of nickel matte80,000 t of nickel matte80,000 t of nickel matte
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Reserves at December 31, 2022:
Mineral reserves estimation is conducted on cut-off grade 1.5% Ni. PTVI mineral reserves are only from Sorowako operations.

The PTVI nickel saprolite mineral resources includes material from Sorowako operations, Bahodopi 2-3 and Pomalaa projects. The PTVI nickel limonite mineral resources include only Pomalaa project material.

CategoryTonnage CommodityGrade
Proven 65.9 M dmt Nickel 1.7 %
Probable 45.8 M dmt Nickel 1.7 %
Proven & Probable 111.5 M dmt Nickel 1.7 %
Measured 54.4 M dmt Nickel 1.34 %
Measured 51 M dmt Cobalt 0.15 %
Indicated 233.86 M dmt Nickel 1.62 %
Indicated 134.54 M dmt Cobalt 0.08 %
Measured & Indicated 288.26 M dmt Nickel 1.57 %
Measured & Indicated 185.78 M dmt Cobalt 0.1 %
Inferred 105.1 M dmt Nickel 1.9 %
Inferred 18.74 M dmt Cobalt 0.05 %

Commodity Production Costs:

CommodityUnits202220212020201920182017
Cash costs Nickel USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 7,110 / t   6,444 / t  
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Financials:

Units2022202120202019201820172016
Capital expenditures M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 103.4   68.5   60.7  
Revenue M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 776.9   629.3   584.1  
Operating Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 84.9  
Gross profit M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 104   6.6   34.1  
Pre-tax Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 82.6   -23   5.2  
After-tax Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 60.5   -15.3   1.9  
EBITDA M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 235.7  
Operating Cash Flow M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 204.4  
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Heavy Mobile Equipment as of December 31, 2022:
HME TypeModelQuantity
Excavator ....................... Subscription required
Truck ....................... Subscription required
Truck (dump) ....................... Subscription required ....................... Subscription required
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Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required May 11, 2023
....................... Subscription required ....................... Subscription required Subscription required May 11, 2023
....................... Subscription required ....................... Subscription required Subscription required May 10, 2023
....................... Subscription required ....................... Subscription required Subscription required May 10, 2023
....................... Subscription required ....................... Subscription required Subscription required May 10, 2023
....................... Subscription required ....................... Subscription required Subscription required May 10, 2023
....................... Subscription required ....................... Subscription required Subscription required May 11, 2023
....................... Subscription required ....................... Subscription required Subscription required May 10, 2023
....................... Subscription required ....................... Subscription required Subscription required May 11, 2023
....................... Subscription required ....................... Subscription required Subscription required May 10, 2023
Subscription required - Subscription is required.

Staff:

EmployeesYear
Subscription required 2022
Subscription required 2021
Subscription required 2020
Subscription required 2019
Subscription required 2018
Subscription required 2017
Subscription required 2016
Subscription required 2015

Corporate Filings & Presentations:

DocumentYear
Annual Report 2022
Form 20-F 2022
Press Release 2022
Sustainability Report 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Form 20-F 2018
Annual Report 2017
Form 20-F 2017
Annual Report 2016
Form 20-F 2016
Annual Report 2015
Form 20-F 2015
Form 20-F 2014
Other 2010
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