Illawarra Coal Measures

Short description: Group of rocks in Australia

Abandoned coal mine ventilation shaft at Mount Keira, Australia

The Illawarra Coal Measures is a group of sedimentary rocks occurring in the Sydney Basin in eastern Australia. This stratum is up to 150 metres thick. Formed in the Late Permian, it comprises shale, quartz-lithic sandstone, conglomerate rocks, and chert, with sporadically carbonaceous mudstone, coal and seams of torbanite.[1] Coal mining of these measures remains a significant commercial enterprise to the present day.[2] One of the abandoned coal mines in the Blue Mountains is now a tourist attraction.

## See also

* Sydney Basin
* Hawkesbury sandstone
* Mittagong Formation
* Ashfield Shale
* Narrabeen group

## References

1. ↑ "Illawarra Coal Measures". Geo Science Australia. Australian Government. http://dbforms.ga.gov.au/pls/www/geodx.strat_units.sch_full?wher=stratno=27802.
2. ↑ Hartcher, Chris. "NSW GOVERNMENT WELCOMES US$845 MILLION INVESTMENT IN ILLAWARRA COAL". Media Release. NSW Government. http://www.resources.nsw.gov.au/__data/assets/pdf_file/0006/436164/120622_Minister-Hartcher-med-rel-Illawarra-Coal.pdf.

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