OneGeology is an international initiative of the geological surveys of the world and a flagship project of the International Year of Planet Earth. Its aim is to create dynamic geological map data of the world available via the web with a mission statement. A fully operational interactive  geobrowser portal is available. Collaborators include: International Year of Planet Earth (IYPE); Commission for the Geological Map of the World (CGMW); Commission for the Management and Application of Geoscience Information (CGI); EuroGeoSurveys; International Steering Committee for Global Mapping (ISCGM).

Spatial Coverage: 

A Quick-Guide to using the OneGeology Portal and Guidance for the use of OneGeology images and data are available online

Data Access: 

Freely available data on internet.