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South Africa
Vanggatfontein Mine

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 Location:
76 km SW from Middelburg, South Africa

  Address:
Off the Van Dyksdrift Road, the farm Goedehoop
Middelburg
South Africa
1050
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WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Coal (thermal)
  • Coal (M/T)
Mining Method
  • Strip mining (roll-over)
  • Truck & Shovel / Loader
  • Backfill
Processing
  • Desliming
  • Spiral concentrator / separator
  • Wash plant
  • Dewatering
  • CHPP
  • Filter press plant
  • Crush & Screen plant
  • Dense media separation
Mine Life6 years (as of Jan 1, 2020)


Owners & OPERATOR

Source: p. 7,8
CompanyInterestOwnership
Liviero Mining (Pty) Ltd (operator)
Wescoal Holdings Ltd. 100 % Indirect
Keaton Mining (Pty) Ltd (operator) 100 % Direct
Wescoal acquired Keaton Energy Holdings (“Keaton”) with effect from July 2017. The main operating business unit of Keaton was and remains Vanggatfontein Mine (“VGF”), which is owned by Keaton Mining Proprietary Limited (“Keaton Mining”), a wholly owned subsidiary of Keaton, which in turn is a wholly owned subsidiary of Wescoal.

Deposit Type

  • Sedimentary


Summary:

The coal deposits of the Witbank Coalfield are restricted to rocks of the Vryheid Formation, which ranges in thickness from 70m to over 500m, being thickest in the northeast and east of the preserved outcrop area, to the south-southwest of the town of Vryheid, where the basin was the deepest.

The coal seams, from the base upward, include the No.1, No.2, No.3, No.4 and No.5 Seams. The No.1 Seam is best developed in the northern part of the Witbank Coalfield, where it is between 1.5m and 2.0m thick.

The No.2 Seam contains some of the best quality coal. Its average thickness is 6.5m in the main- central part of the Witbank Coalfield and thins to approximately 3.0m towards the west and east.

The No.3 Seam is poorly developed and is usually less than 0.5m thick. It is, therefore, not generally economically extracted.

The No.4 Seam varies in thickness from approximately 2.5m to 6.5m. In places, the seam is divided into the No.4 Lower, No.4 Upper and No.4 A Seams, separated by sandstone and siltstone/mudstone partings. The seam usually contains dull to dull lustrous coal.

The No.5 Seam has been extensively eroded over large areas, and where present has an average thickness of 1.8m, being between 0.5m and 2.0m thick The seam is generally a high quality, low phosphorus coal, and is a source of blend coking and other metallurgical coal.

Local geology
The surface geology over the Vanggatfontein area is dominated by outcrops and sub-crops of sedimentary rocks of the Ecca Group (Vryheid Formation), with Transvaal Supergroup (Hekpoort Formation) outcrops also present at the surface in the far east of the area.

The pre-Karoo basement to the area consists of rocks of the Transvaal Supergroup. Boreholes that have penetrated through the Dwyka Group into the basement intersect mainly Malmani Group dolomites, as well as metasedimentary rocks and lavas of the Hekpoort Formation of the Transvaal Supergroup. An unconformity in the order of 1,800Ma therefore separates the Transvaal Supergroup rocks from the overlying Karoo Supergroup. During this vast span of time the dolomites of the Transvaal Supergroup in particular were subject to a number of stages of karstification and weathering and this has an important impact on the nature of the overlying successions as discussed below.

Vanggatfontein is divided into an East Resource Block (ERB) and West Resource Block (WRB) separated by the D2543 provincial road which passes through the property. In places both the ERB and WRB host the complete sequence of the Witbank Coalfield coal seams, namely the No’s.1, 2, 3, 4 and 5 Seams, although the No.3 Seam is not usually developed and the No.5 Seam is eroded away in places. The stratigraphy of the ERB and WRB may be subdivided into three main sequences, these being a basal No.2 Seam Sequence, overlain by the No.4 Seam Sequence, which in turn is overlain by the No.5 Seam Sequence.


Mining Methods

  • Strip mining (roll-over)
  • Truck & Shovel / Loader
  • Backfill


Summary:

Vanggatfontein is currently operated as an opencast mining operation based on contractor truck and shovel strip mining and roll over methodology. Opencast mining at Vanggatfontein contributed to 2.19mt ROM being extracted during FY20. Box cut operations commenced at the VG5 pit with initial 4U and 4 seam ROM extracted.

Coal mining is carried out simultaneously with the overburden removal. As the pit advances, the overburden dumps are rolled back into the pit, to fill the mined out voids as part of the continuous rehabilitation process. The hauling distance to the waste or burden dumps ranges between 0.1km and 2.0km and is maintained within this range to keep the cost of mining optimal.

Construction on the Vanggatfontein underground section on the WRB will commence with the construction of the coal handling and processing plants, followed by the construction of the underground access.


Crushing and Grinding
Crusher / Mill TypeModelSizePowerQuantity
Jaw crusher 1
Double roll crusher (DRC) 3


Processing

  • Desliming
  • Spiral concentrator / separator
  • Wash plant
  • Dewatering
  • CHPP
  • Filter press plant
  • Crush & Screen plant
  • Dense media separation

Flow Sheet: Subscription required

Summary:

Coal processing
KEHL owns two CHPPs with processing capacities of 100tph and 480tph, respectively. The 100tph plant (No.5 Seam plant) processes RoM from the No.5 Seam, producing high quality products for domestic metallurgical and boiler markets, third party coal on short term contracts as well as No.2 and No.4 Seam coal as capacity allows. The 480tph plant processes RoM from the No.2 and No.4 Seams producing exclusively washed Eskom power station coal.

Processing method
Vanggatfontein was initially commissioned as a No.5 Seam mine as a coal supply agreement with Eskom had not yet been concluded. That said, the significantly different coal qualities of the No.5 and No.4 / No.2 eams required entirely different process flow diagrams (PFDs).

No.5 Seam CHPP
This CHPP was designed to process coal from the No.5 Seam to produce sized products for the domestic metallurgical industry. It was commissioned in November 2010, and designed with a process capac ........


Production:

CommodityUnits202020192018201720162015
Coal (M/T) Mt  ......  Subscription required  ......  Subscription required  ......  Subscription required2.73.63.7
All production numbers are expressed as ROM coal. ^ Guidance / Forecast.
Subscription required - Subscription is required.

Operational Metrics:

Metrics20202019201820162015
Raw coal annual capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required
Waste  ......  Subscription required  ......  Subscription required  ......  Subscription required10.1 Mbcm10.7 Mbcm
Stripping / waste ratio  ......  Subscription required  ......  Subscription required  ......  Subscription required2.8 2.9
Subscription required - Subscription is required.

Reserves at March 31, 2020:

CategoryTonnage Commodity
Proven 22.64 Mt Coal (M/T)
Probable 2.18 Mt Coal (M/T)
Proven & Probable 24.82 Mt Coal (M/T)
Measured 26.82 Mt Coal (M/T)
Indicated 1.64 Mt Coal (M/T)
Inferred 0.34 Mt Coal (M/T)
Total Resource 28.8 Mt Coal (M/T)

Commodity Production Costs:

CommodityUnits2019
Total cash costs Coal (M/T) ZAR  ......  Subscription required
Subscription required - Subscription is required.

Financials:

Units20202019201720162015
Capital expenditures (planned) M ZAR
Capital expenditures M ZAR  ......  Subscription required  ......  Subscription required  ......  Subscription required 431  
Revenue M ZAR  ......  Subscription required  ......  Subscription required 1,181  
Operating Income M ZAR  ......  Subscription required 203.8  
EBITDA M ZAR  ......  Subscription required  ......  Subscription required 626.9  
Subscription required - Subscription is required


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Nov 13, 2020
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 2017
Subscription required 2016
Subscription required 2015

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2018
Technical Report 2017
Annual Report 2016
Subscription required - Subscription is required.

Aerial view:

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