Mount Gibson pushes Koolan Island closer to restart
August 10th, 2018
Mount Gibson Iron has entered the final stage of the restart program at the Koolan Island iron ore project in the Kimberley, Western Australia.
Koolan Island operations have been suspended since November 2014 when a seawall failure flooded the mine’s main pit.
Mount Gibson has launched high volume dewatering of the main pit. The company is pumping seawater out of the main pit at a rate of over 1500L a second using large capacity submersible pumps.
The start of the dewatering process follows the completion of a concrete seepage barrier at the seawall last month.
Mount Gibson chief executive officer Jim Beyer said the company was dewatering at a rate equivalent to emptying an Olympic-sized swimming pool every half hour, keeping it on track to complete dewatering by the end of the year. Read more…