Stratigraphy in Internet

• The International Commission on Stratigraphy is the largest and oldest constituent scientific body in the International Union of Geological Sciences (IUGS): www.stratigraphy.org
• The Stratigraphy and Geochronology Commission (SACCOM) of the International Union for Quaternary Research (INQUA): http://www.inqua-saccom.org
• The latest version (v2015/01) of the International Chronostratigraphic Chart: http://stratigraphy.org/ICSchart/ChronostratChart2015-01.jpg
• Time Scale Creator, a free JAVA package, enables you to explore and create charts of any portion of the geologic time scale from an extensive suite of global and regional events in Earth History.
• CHRONOS (the purpose of CHRONOS purpose is to transform Earth history research by seamlessly integrating geoscience databases and tools): www.chronos.org