The mine has a shallow overburden thickness and coal starts at approximately 12–15 metres below the surface. The three main seams of coal – M, N and O – have a total thickness of 12 metres and dip gently to the south west. The coal sits in relatively flat 0.1 metre to 3metre thick seams with parting layers of rock and clay between each coal seam.

During the first stage of mining at Kogan Creek, the area to be mined is inspected for items of Cultural Heritage, before and after the removal and storage of topsoil. Next is the removal of overburden, which is the soil, clay and rock sitting above the coal seams.

This overburden is then removed using 250 tonne excavators that dig up to 15 cubic metres in each bucket and load haul trucks. These trucks move the overburden to the spoil dump via ramps. These spoil dumps progressively refill the void after the coal has been mined, allowing for the rehabilitation of the land.

The mine has a shallow overburden thickness and coal starts at approximately 12–15 metres below the surface. The three main seams of coal – M, N and O – have a total thickness of 12 metres and dip gently to the south west. The coal sits in relatively flat 0.1 metre to 3metre thick seams with parting layers of rock and clay between each coal seam. The coal is selectively mined from the parting using loaders and haul trucks which transport the coal to the Run of Mine pad, where it is loaded into the crusher and conveyed directly to the power station. The waste parting bands are hauled to the spoil dump.

The overburden produced at the mine is dumped as spoil and used to fill the previous pit void where coal was recently removed. These overburden spoil dumps are gradually shaped into hills about 30 metres high and revegetated with local grasses, trees and shrubs to form a natural habitat.

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