Its primary objective is to precisely define global units (systems, series, and stages) of the International Chronostratigraphic Chart that, in turn, are the basis for the units (periods, epochs, and age) of the International Geologic Time Scale; thus setting global standards for the fundamental scale for expressing the history of the Earth.

Stan Finney and Shanchi Peng were re-elected unanimously as Chair and Vice Chair of ICS for 2012-2016 and Paul Bown was re-appointed to another 4-year term as Secretary General   2012-03-05

Stan Finney and Shanchi Peng were re-elected unanimously as Chair and Vice Chair of ICS for 2012-2016 and Paul Bown was re-appointed to another 4-year term as Secretary General.

New Ordovician Chronostratigraphic Chart by Bergstrom et al. (2008)   2012-01-17

Ordovician Chronostratigraphic Chart

34th International Geological Congress, Brisbane, Australia, 5-10 August, 2012   2011-07-26

34th International Geological Congress, Brisbane, Australia, 5-10 August, 2012.  ICS working group meeting and business meeting, Subcommission meetings, and the sponsored and related symposia in theme sessions 17, 18, 23, and particularly 35. For details go to http://www.34igc.org/scientific-themes-symposia.php .