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Colombia
La Jagua Mine (Prodeco Operation)

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 Location:
97 km S from Valledupar, Colombia

  Address:
Centro Empresarial Las Americas II Calle 77B No 59 - 61, Piso 5
Barranquilla
Colombia
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  • Overview
  • Owners
  • Geology
  • Mining
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  • Production
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Overview

StatusClosing / Closed
Mine TypeOpen Pit
Commodities
  • Coal (thermal)
Mining Method
  • Truck & Shovel / Loader
Carbones de La Jagua S.A., Consorcio Minero Unido S.A. and Carbones El Tesoro S.A are titleholders to Mining Contracts. Mining contracts were effectively terminated as of 6 September 2021 and the parties are currently undergoing the liquidation phase.

Carbones de La Jagua S.A., Consorcio Minero Unido S.A. and Carbones El Tesoro S.A. no longer have any title to the Mining Contracts 285/95, 109/90 and 132/97 through which they exploited the La Jagua Mine and no coal resources and reserves have been reported.


Owners

Source: p. 44
CompanyInterestOwnership
Glencore plc. 100 % Indirect

Contractors

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Deposit Type

  • Sedimentary


Summary:

La Jagua is a multi-seam coal deposit in a northeast-oriented synclinal basin structure, approximately 5km long and 2km wide. The deposit dips steeply on the northwest and southeast flanks. The centre of the deposit is flatter with dips up to 5 degrees. On the basis of borehole and mining records to date, two faults have been identified within the deposit, La Victoria and La Nueva faults. La Victoria is a southwest-trending normal fault with a throw up to 20 m parallel to and close to the syncline axis. La Nueva Fault has been interpreted from drill hole data and occurs to the west of La Victoria Fault and has a throw up to 10 m. A significant topographic feature which impacts on the open cut strip ratio is the hill in the southern half of the deposit (Cerro de Piedra).

A total of 23 seams with a cumulative thickness of approximately 35 m occur within the La Jagua deposit sub cropping along the western and eastern limbs of the syncline. Seam M0 is the uppermost coal seam and Seam M45 is at the base of the main economic sequence – a stratigraphic interval approximately 200 m thick. Seam M15 is the thickest coal seam (average 5m) and seams M2 and M3 contain a thin intra-seam stone band.


Mining Methods

  • Truck & Shovel / Loader


Summary:

The La Jagua coal deposit consists of 23 seams and can be characterised as a deep, multiple seam, sub-cropping and steep to moderately dipping synclinal basin. The dipping nature of the coal structure makes it suitable for excavation using conventional open cut mining methods that initially excavate low strip ratio sub-cropping coal followed by deeper coal mining that progresses from one end of the deposit to the other.

A combinatation of small and large hydraulic excavators (100 t - 550 t) are used to load overburden into off highway rear dump trucks which haul the material to a combination of in-pit and ex-pit dumps.

Coal mining is by a combination of hydraulic excavators working in tandem with dozers. Medium sized backhoes excavate the overburden and interburden to near the contacts between waste and coal. Smaller dozers or flat bladed small hydraulic excavators will clean the waste materials from the coal contact. The care taken in this method determines the amount of both loss and dilution. Finally, excavators dig the waste material which has been heaped by the dozers.


Crushing and Grinding


Processing


Summary:

MMC/MBGS observed that all ROM coal is crushed at each mine and is the loaded into trucks or trains without further processing. Coal is sold “unwashed”, meaning there is no metallurgical treatment required to achieve a saleable product. The yield is therefore 100%.


Production:

CommodityUnits20162015
Coal (thermal) Mt 6.26.6
All production numbers are expressed as ROM coal.


Reserves at December 31, 2020:

CategoryTonnage Commodity
Measured 50 Mt Coal (thermal)
Indicated 25 Mt Coal (thermal)



Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required May 5, 2022
....................... Subscription required ....................... Subscription required Subscription required May 25, 2022
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Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2019
Year-end Mineral Reserves 2018
Year-end Mineral Reserves 2017
Sustainability Report 2016
Year-end Mineral Reserves 2016
Technical Report 2011
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