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Top Palaeocene
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- Grid data for Petrosys
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- Two-Way Time Horizon (image)
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The Top Palaeocene is shown to occur above the Cardabia Calcerenite and Dockrell Formation within the regions of the Carnarvon Basin. In the Dampier and Beagle Sub-Basins, the overlying unit is that of the Wilcox Formation. Further east within the Bonaparte Basin, the Top Palaeocene is placed between the underlying Johnson Formation and the overlying Grebe Formation. This is further substantiated by the Vulcan Sub-Basin MegaSurvey which shows the Top Palaeocene horizon at the base of the Grebe Sandstone (Hibernia Formation), below which is a variable marine shale and sandstone sequence, and so represents a decrease in acoustic impedance. The seismic response is a fairly continuous, high amplitude peak, forming a prominent reflector through the basin.
