FIELD GEOLOGY OF THE SHOALHAVEN DISTRICT (PART 16) Chapter 9 continued. Excursion 9b Touga, Tolwong, and the Ettrema Gorge (70 miles return) The spectacular scenery of this country has been explained earlier. Most of the features of geological interest are to be found in the older rocks, beneath the Permian cover. This is the most mineralised area in the Shoalhaven district and one suspects that great mineral wealth lies undetected beneath hundreds of feet of Permian sandstone. Route: Sassafras-Touga-Quiera-Tolwong Leave the Braidwood road about 5 miles past Sassafras and 1.3 miles before the descent to the Endrick River. The road passes over sandstone of the Berry Formation for about 3 miles and then over the Nowra Sandstone at a place locally called ‘ The Jumps ’. The narrow ridge along which the road passes is besieged on both sides by deep valleys, which at this point have eaten away a large part of the sandstone. This road is part of a route used by bullock teams...