Geological map Barcelona

WMS Geotècnic de Barcelona

https://www.instamaps.cat/instavisor/97402247/dfbb1548d6c8bb1376305b00e91b84a5/ICGC_Geoindex_-_Visualitzador_Geotecnic_Barcelona.html?3D=false#13/41.4090/2.1847

https://www.icgc.cat/es/Administracion-y-empresa/Servicios/Servicios-en-linea-Geoservicios/WMS-Geoindex/WMS-Geotecnic-de-Barcelona

Cartography: http://info.igme.es/cartografiadigital/datos/geologico200/jpgs/Editado35_G200.jpg

For Goole Earth:

http://mapas.igme.es/gis/rest/services/Cartografia_Geologica/IGME_MAGNA_50/MapServer/kml/mapImage.kmz