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Koolan Island

Type of mine:               Open Pit Iron Ore
Labour: StrataCrete dont currently have labour hire at Koolan Island, but prior to October 2012 when ROCK Australia held the contract on site, StrataCrete provided  6 FIFO operators, including a Supervisor, 2 Nozzleman and 3 Batchers.  At present, StrataCrete have a Maxijet Shotcrete Spray rig on site at Koolan and provide the option of FIFO Fitter each month to oversee the servicing of the Rig

StrataCrete commenced the Koolan Island contract in  March 2011 & has now completed contract

Koolan Island is an island off the Kimberley coast of Western Australia in the Buccaneer Archipelago. It is about 1,900 km north of Perth, and about 130 km north of Derby. It holds deposits of high grade iron ore.

 Export logistics are simple off Koolan Island, with ore loaded directly onto Panamax vessels via the mines own ship loading facilities

 At its peak, Koolan Island had a population of 950 people and had a school, police station, recreation facilities and shops. It had the world's then-longest golf course hole an 860 yards par 7 number 6 which doubled as the island's air strip.

 When BHP ceased mining operations on the island in 1993 they flooded the main pit to the ocean by blasting part of the hanging wall. This has meant that the pit has been filled with about 10 billion litres of seawater, with a significant marine eco-system forming within the bounds of the former working pit.

 Due to the dense nature of the marine fauna within the Main Pit, Mount Gibson Iron utilised numerous substantial blasts within the water filled pit in order to extract all marine creatures before dewatering operations commenced. The pit will subsequently be dewatered in order to allow the rich ore reserves to be mined once again.


Koolan iron ore is very high quality and low in impurities, and Mount Gibson Iron planned to undertake dewatering operations in order to allow the rich ore reserves to be mined once again.



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Stratacrete Pty Ltd

Head Office
Research & Development 
PO Box 1073 Cleveland  QLD  4163
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F:  073206 0891


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PO Box 1073  Cleveland  QLD  4163
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F:  07 3206 0891


PO Box 1073 Cleveland  QLD  4163
P:  07 3206 0892
F:  07 3206 0891


Western Australia Operations
StrataCrete & Shaftlining Australia
Matt Calderwood
M:  0448 975 220