Silurian age Green grey rhyodacite of the Walker Volcanics underlie the south and center of the suburb. A lens of limestone is found just to the west of the center of the suburb. The mid west has purple and green-grey dacite of the Walker Volcanics that was deposited before the rhyodacite. The north east has purple rhyodacite from the Deakin Volcanics. The Page north west has pink rhyolite from the Deakin Volcanics.