A geodiversity audit of sites was commissioned by Glasgow City Council and carried out by the British Geological Survey in early 2013. A total of 26 sites were visited, and of these 20 were identified as potential Local Geodiversity Sites. Each site was assessed for its geoscientific merit, accessibility, cultural/heritage/economic importance, site fragility, and potential for enhancement. Many of the sites could be enhanced to encourage visitors and students to learn more about how the geology influences the form of the landscape, the economic and cultural history of the Glasgow area, and the ecological habitats of the urban woodlands, Local Nature Reserves and SSSIs.
The bedrock within the city of Glasgow is mainly of Carboniferous age (300-350 million years ago); the oldest being the Clyde Plateau Volcanic Formation lavas followed by a succession of coal bearing strata. There are also a number of features relating to Quaternary deposits and influence of the ice sheets. There are two SSSIs within Glasgow; Waulkmill Glen (Upper Limestone Formation) and the Fossil Grove (In situ petrified trees in the Limestone Coal Formation and doleritic intrusive sill). The majority of sites are along rivers such as the Kelvin and the White Cart, with some road cuttings and Quaternary features within park areas. The geodiversity audit is available from the Glasgow City Council website www.glasgow.gov.uk/index.aspx?articleid=10826