Institut Cartogràfic i Geològic de Catalunya

Graphical representation, in a vertical plane, of the interpretation of the disposition of the materials in the subsurface

The geological timechart is the frame in which the history of the Earth is inscribed

Geological terms of the legend of the cartographic units and conventional symbols of the "Geological Map of Catalonia 1: 50,000" (Catalan)

Geological timechart and graphical representation of the timechart with an indication of its meaning or etymology

Graphic sample of the succession of geological events registered

In order to illustrate the great variety of lithologic types that crop out in Catalonia, a series of pictures of the main types of rocks are presented