The Mungaroo Formation is a major exploration target in the Carnarvon Basin, offshore Western Australia.
The Mungaroo Formation sandstones (referred to as sands hereafter) were deposited during the Late Triassic(Carnian-Norian) as part of an extensive fluvial system. This system comprises stacked braided channel belts that
attain thicknesses of several tens of metres, typically as acomplex network of interconnecting sandstones encased
by overbank shales, siltstones, carbonaceous shalesand thin coals in parts. The porosity and permeability of
sandstones from the Mungaroo Formation can be high and are relatively well preserved with depth.