Map application presents geological map of the Czech Republic at a scale of 1 : 50,000. There are also key information about boreholes objects registered in the descriptive database of Geologically documented objects.
The application is based on CGS own technology to display map services using ESRI API 3.x. Its functionality and design are optimized for touch devices and small displays. Geolocation support makes the application suitable for field use. Base maps - detailed topographic maps and aerial photos - are provided by ČÚZK.