FIELD GEOLOGY OF THE SHOALHAVEN DISTRICT (PART 7) Chapter 3 (continued) THE NOWRA DISTRICT. EXCURSIONS 3c, d AND e Excursion 3c Crookhaven Heads, Culburra and Calalla (41 miles) Isolated coastal outcrops of fossiliferous siltstone provide good localities to study representative Permian marine fossils. Route: Nowra-Pyree-Crookhaven Heads-Culburra-Calalla Point-Forest Road-South Nowra-Nowra Take the Greenwell Point road and turn right at Pyree. The road crosses Crookhaven Creek and then the flood gates at the Saltwater Swamp, an area still of little agricultural use because of its high salt content. Go straight to Crookhaven Heads and stop to the right of the Pilot Station. Walk through to the beach. Stop 1. The sediments exposed here are miles from the nearest Weathered dyke at Crookhaven Heads June 1963 rocks of known age, at Coolangatta or Currarong. They are considered by most geologists to belong to the Wandrawa...