The International Commission on Stratigraphy (ICS) is the largest scientific body within the International Union of Geological Sciences (IUGS).
It is also the only organisation concerned with stratigraphy on a global scale.
[ More about ICS | Subcommissions of ICS | Statutes of ICS ]
[ Stratigraphic Information | Global Boundary Stratotype Sections and Points ]
[ Time Scale Chart | Time Scale Creator! | Quantitative stratigraphy ]