Stratigraphic Charts
(All downloadable files are in PDF format)
Please note that usage for non-profit educational purposes is permitted; you should contact ICS for the most current version.
International Stratigraphic Chart
- Chart using the color code according to the Commission for the Geological Map of the World.
- Geological Time Scale 2004 - GTS2004
- A Proposal for Simplifying the International Geological Time Scale Chart: Chart 1 (chronostratigraphic units and ratified GSSPs), Chart 2 (chronostratigraphic units, polarity zones, and sea-level changes)
Color codes
- CMYK Color Code according to the Commision de la Carte Geologique du Monde, Paris
- RGB Color Code according to the Commision de la Carte Geologique du Monde, Paris.
Timescale comparison charts
- Cenozoic using the color code according to the Commission for the Geological Map of the World.
- Mesozoic using the color code according to the Commission for the Geological Map of the World.
- Paleozoic using the color code according to the Commission for the Geological Map of the World.