Shoalhaven District Geology

  FIELD GEOLOGY OF THE SHOALHAVEN DISTRICT (PART 17) Chapter 9 continued   Year 7 class Moss Vale High School  at  Bungonia Caves November 1973 Excursion 9c Bungonia, South Marulan and Tallong These are just a few of the places of interest across the river, which are worth a visit as part of excursions to the Goulburn district. Bungonia Caves An extensive area of Silurian limestone crops out from South Marulan over a distance of 7 miles in a south westerly direction. The caves are reached by travelling east from Bungonia village. Part of the area is in a reserve and was formerly maintained for tourists until visitor numbers dropped as people preferred to visit the more spectacular caves elsewhere in NSW. The  Lookdown  is the best known feature here. There is a very The Lookdown December 1963 sharp drop of 1,200 feet to Bungonia Creek. This may be descended with care to the right of the lookout. The limestone here contains typical Silurian fossils, par...

  FIELD GEOLOGY OF THE SHOALHAVEN DISTRICT (PART 10) Chapter 5: Kangaroo Valley  The Cambewarra Range effectively seals in one of Australia’s scenic gems –  Kangaroo Valley . Like any other impressive piece of nature’s handiwork, people have ascribed its origin to anything but the simplest of causes. Since 1818, when white men first entered the “Kangaroo Ground”, as it was then known, there have been numerous suggestions to explain its existence. It has been described as a ‘picturesque sunken valley’, the implication being that its present form is the result of subsidence. Others have thought that it represents a former lake, or that volcanoes led to its formation. The truth is that the Kangaroo River and its tributaries have carried away the products of erosion over a period of many thousands of years, leaving the framework of the rock structure exposed as we see it today.  Volcanic rocks belonging to the upper Berry Formation are mainly confined to the eastern half...