1. Tertiary igneous activity;Bell,2002
2. Girvan. Scotland Sheet 7;British Ge,1981
3. Clyde Sheet 55ON-06OW Solid geology map: 1:250,000;British Geological Survey,1985
4. Girvan. Scotland Sheet 7;British Geological Survey,1988
5. Colour Shaded Relief Magnetic Anomaly Map of Britain, Ireland and adjacent areas;British Geological Survey,1998