Asset report

Invierno coal mine

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Report summary

Invierno is a surface mine that uses a typical truck-and-shovel mining method. The mine has recently introduced blasting to remove the overburden, which is also being carried out by hydraulic excavators. Invierno utilises 240-tonne capacity trucks for overburden and 100-tonne capacity trucks for transport of coal to the port's stockpile. The strip ratio at the mine is relatively low with plans designed to keep overburden removal volumes stable during the life of the operation. Most of Chile's coal-fired generating units are built for burning bituminous coals; therefore, Invierno's sub bituminous coal product penetration into the domestic market is a slow process as plants blend and test it in boilers.

What's included

This report contains

  • Document

    asset invierno.xls

    XLS 250.00 KB

  • Document


    XLS 248.00 KB

  • Document

    Invierno coal mine

    PDF 396.83 KB

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    Invierno coal mine

    ZIP 552.69 KB

Table of contents

Tables and charts

This report includes 14 images and tables including:


  • Detailed map
  • Production
  • Cash costs


  • Key facts: Table 1
  • Participation
  • Coal seams
  • Production
  • Operations
  • Infrastructure
  • Cash costs
  • Capital costs
  • Economic assumptions
  • Reserves and resources: Table 1
  • Sales contracts: Table 1

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