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South Africa
Klipspruit Mine (Seriti Power (SAEC) Operation)

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 Location:
27 km SW from Emalahleni, South Africa

  Address:
Klipspruit Colliery Portion 12 Farm Klipfontein 3 Registration Division IS
Ogies
South Africa
2230
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Coal (thermal)
Mining Method
  • Truck & Shovel / Loader
  • Dragline
Production Start...
Mine Life2048


Owners

Source: p. 1
CompanyInterestOwnership
Seriti Resources Holdings Proprietary Ltd. 90 % Indirect
Johannesburg, 1 June 2021: Following the fulfilment on 15 May 2021 of all conditions precedent in respect of Seriti’s acquisition of South32 SA Coal Holdings Proprietary Limited (SAEC), Seriti is pleased to advise that the transaction has now closed and that it has assumed management of these operations from 1 June 2021.

SAEC has been renamed Seriti Power, and comprises the Khutala, Klipspruit, and Middelburg Mines Services (MMS) North and South mines, which provide coal to the Kendal and Duhva power stations, as well as export coal via the Richards Bay Coal Terminal. Seriti holds a 90% interest in Seriti Power, while an Employee Trust and Community Trust each hold a 5% interest.

Contractors

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Deposit Type

  • Sedimentary


Summary:

The topography of the Klipspruit area is generally flat to gently sloping, at a mean elevation of approximately 1,600 m. The area drains towards the north. The unconsolidated material that overlies the solid sediments consists of soil, sand, laterite and clay. The thickness of this unconsolidated overburden averages 6 m, but varies depending on the depth of weathering.

Exploration boreholes target the full coal-bearing sequence and terminate in Dwyka Tillite. The sedimentary strata comprises mainly white, fine- to coarse-grained sandstone layers with alternating shale and shaly sandstones with bioturbated layers in places. The No.2 and No.4L Seams are separated by sandy shales grading into medium-grained sandstone towards the top. Coarse grained, hard sandstone layers are present immediately above the No.4L Seam.

Coal seams preserved in the Klipspruit area include No.5, No.4U, No.4L, No.3, No.2 and No.1 Seams. As a result of the topographic surface sloping to the north, all of the coal seams except for No.2 and No.1 Seams have been affected by weathering. This is especially true of the No.5 Seam, which is almost totally lost to erosion north of the Ogies Dyke.

A dolerite dyke has been identified in the Bankfontein area, which has affected Coal Resources mainly in the No.4U Seam. This was the result of deep weathering adjacent to the dyke.

The Ogies Dyke is a well-known post-Karoo intrusive structure that extends for some 70 km in a ........


Mining Methods

  • Truck & Shovel / Loader
  • Dragline


Summary:

Opencast mining commenced at Klipspruit in 2009, with the No.4L, No.2 and No.1 Seams being the main coal seams mined since that time. The No.4U Seam is separated from the No.4L Seam by a coarse-grained sandstone and mudstone parting. No.4 Seam is of poor inherent quality and is only suitable for the domestic power station market.

The Klipspruit Mine is a single dragline, multi-seam opencast operation (known as Main Pit) combined with a truck shovel mini pit operation (Bankfontein North). The dragline method employed ranges from a single bench to double bench method. Opencast mining uses a series of strips and cuts over a wide area, where the surface is relatively flat and the coal seams comparatively shallow. The stripcut initially started as a boxcut, which was then advanced to a 3 km strip cut with 40 m wide ramps being moved at around 50 m strip cuts and placed as space became available in the low wall.

Coal mining and loading 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 southern boundary of the main pit hosts Ogies Dyke, a dolerite intrusive body, which has an approximate 100 m offset delineating the pit outline.

The Main Pit has a strike length of approximately 3 km and an average strip ratio of between 2.3 and 3.2 bcm/t ROM over the next six years. The target ........


Crushing and Grinding


Processing

Flow Sheet: Subscription required

Summary:

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Production:

CommodityUnits2020 *2017201620152014
Coal (thermal) Mt  ......  Subscription required *6.57.37.87.3
All production numbers are expressed as clean coal. * Average annual production reported in 2020
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Operational Metrics:

Metrics20172014
Annual production capacity 8 Mt of coal (thermal) clean coal8 Mt of coal (thermal) clean coal

Reserves at June 30, 2020:
Cut-off grade
Coal Resources: > 0.8 m, =45% ash, > 24% dry ash-free volatile matter.
Coal Reserves: > 0.8m seam thickness, varying CV > 3,580 Kcal/kg, < 45% ash, > 17.9% ash-free volatile matter.

CategoryTonnage CommodityMarketable Coal
Proven 196 Mt Coal (thermal) 155 Mt
Probable 59 Mt Coal (thermal) 47 Mt
Proven & Probable 255 Mt Coal (thermal) 202 Mt
Measured 341 Mt Coal (thermal)
Indicated 145 Mt Coal (thermal)
Inferred 220 Mt Coal (thermal)
Total Resource 706 Mt Coal (thermal)



Heavy Mobile Equipment as of March 16, 2015:
HME TypeModelSizeQuantity
Dragline ....................... Subscription required ....................... Subscription required
Drill ....................... Subscription required ....................... Subscription required
Excavator ....................... Subscription required ....................... Subscription required
Loader (FEL) ....................... Subscription required ....................... Subscription required
Shovel (hydraulic) ....................... Subscription required ....................... Subscription required
Truck (dump) ....................... Subscription required 43 t ....................... Subscription required
Truck (haul) ....................... Subscription required 100 t ....................... Subscription required
Truck (haul) ....................... Subscription required 130 t ....................... Subscription required
Truck (haul) ....................... Subscription required 180 t ....................... Subscription required
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Aug 4, 2022
....................... Subscription required ....................... Subscription required Subscription required Aug 4, 2022
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Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required Subscription required 2021
Subscription required 2017

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2019
Annual Report 2018
Annual Report 2017
Other 2017
Press Release 2017
Press Release 2017
Annual Report 2016
Corporate Presentation 2016
Other 2015
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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