The OCG WMS Service showing the Geology of Italy at 1:500.000 scale is based on the digitization of the Geological Map of Italy at the same scale published during the 1970's and 1980's by the Geological Survey of Italy. The layers available are: Chronostratigraphy, lithostratigraphy and lithology.

The digital geological map of Greece at 1:1million scale is composed of layers of polygonal objects depicting stratigraphic units and lines depicting faults. It has been created - in the frame of the One Geology Europe Plus project - from the 1:50 000 scale map sheets, using the One Geology Europe vocabulary terms to describe lithology & age of formations.

As the department of the Confederation responsible for earth sciences, the Swiss Geological Survey is principally concerned with the following tasks: organising national geological, geotechnical and geophysical surveys, gathering the necessary data, processing and compiling these data in the form of geological maps, and publishing reports, recommendations and guidelines in the fields to which geology is applied (engineering geology and environmental geology).The presented layers (tectonic lineaments and geological units) give a broad overview of the composition and major features of the underlying structure of Switzerland. (Revision: SVN-53)

The database of the 1:1.000.000 scale Geological Map of Italy, named GEO1MDB, is structured into 4 geometric layers and 3 descriptive tables. The layers are: Geologic Units, Tectonics Units, Geologic Structures and Regional Structures.

As the department of the Confederation responsible for earth sciences, the Swiss Geological Survey is principally concerned with the following tasks: organising national geological, geotechnical and geophysical surveys, gathering the necessary data, processing and compiling these data in the form of geological maps, and publishing reports, recommendations and guidelines in the fields to which geology is applied (engineering geology and environmental geology).The presented layers (tectonic lineaments, tectonic units and geological units) give a broad overview of the composition and major features of the underlying structure of Switzerland.

The database containing the Geological Map of Italy at a scale 1:500.000 was compiled during the 1990's by digitizing the published map in raster format. All the information contained is derived from the published map that was compiled using a lithostratigraphic approach. The database is structured in 2 layers and 1 descriptive table.

Radar Interferometry map of the Border of Belgium and Netherlands. The blue colours correspond to positive deformation (uplift) of the ground surface related to the recharge of a mining aquifer.

Simplified geological map of Luxembourg at a scale scale of 1:350 000

The Geological Map of Italy at a scale 1:1.000.000 is a service provided for the OneGeology-Europe project. The layers display geological units classified using the harmonized nomenclature for lithology, age and geological structure given by the attributes contained in the WP3 standard vocabularies.

The Geological Map of Belgium at a scale of 1:40 000 is published by the Belgian Geological Survey.