Geological Maps

Image - GNS Science

Geological maps show the surface distribution of geological units and are compiled and printed at various scales. Small scale maps show all or wide areas of the country and these are generally simpler and suitable for national overviews. Large scale maps concentrate on restricted areas of the country such as cities and in many cases provide additional technical detail. Our printed maps include a mixture of modern and archival editions:

Our Geological Maps

Image - GNS Science

Our digital geological maps can be exchanged and integrated with other databases:

Geological information exchange

Rock collection and properties database (PETLAB)

View geological map data live at

We welcome your feedback on our geological maps