Brick wall Silurian slates Junction of Rangipo Road and an old tram road. It is probable that the lower beds of the Siluric are on here. Siluric. Apparently Org platt. The section continues off partly undetermined. The hills a Ordovician formation may yet be present. Brick wall Silurian slates The Marlows a Brunian high-way. Shelf faults. 2 30 1 Rangipo River Ariroy McAlaways Old Bridges Dun. old removed. Baileys Creek Hue This fault trend off of the Siluric to this old boundary due to a fault Rangipo Stream Diorite