This limestone rock containing many marine fossils, crustacean imprints and embedded shells, bivalves, and two imprints of spiny oyster, Pelecypos and Spondylus from the Miscene Age 10-20 million years BP. It was collected in the Orbost region, possibly at Newmerella when the railway was being constructed in 1915-16. An example of marine fossils, collected near Orbost. this fossil is part of the geological history of the Orbost area.A large piece of yellow/ochre coloured rock (East Gippsland limestone) containing many marine fossils. marine-fossils miscene-fossils east-gippsland-fossils