"Important recent contributions to the stratigraphy of Western Australia include: discovery of middle Cambrian; reinterpretation of Devonian stratigraphy in northern Desert basin; discovery of marine Devonian and Carboniferous in North-West basin; re-investigation of Permian in North-West and Irwin river basins; discovery of middle Jurassic and eastward extension of boundary of upper Jurassic in Desert basin; discovery of Tertiary rocks near eastern margin of North-West basin. Miocene laterite has been discovered in the North-West basin."

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