-Chs - Sheoak Gully Boninite Olivine basalt, tuff, microgabbro, minor sedimentary rocks -Py Yaugher Volcanic Group gu.25699 sole component major gu.25699 Oligocene Paleocene fluvial channelled stream flow -Chs - Sheoak Gully Boninite Olivine basalt, tuff, microgabbro, minor sedimentary rocks -Py Yaugher Volcanic Group gu.25678 interbedded component significant interbedded component minor gu.25678 Holocene Pleistocene swamp/marsh/bog detrital deposition still water gu.25678 Pliocene Miocene marine water [process] gu.25678 LowerOrdovician LowerOrdovician submarine fan hemipelagic turbidity current water [process]