Gzhelian

The Gzhelian is the youngest stage of the Pennsylvanian. It is more or less coeval with the Stephanian Stage of the regional stratigraphy of Europe.

 References 

 "Chart/Time Scale". www.stratigraphy.org. International Commission on Stratigraphy.
 Gradstein, F.M.; Ogg, J.G. & Smith, A.G.; 2004: A Geologic Time Scale 2004, Cambridge University Press

Category:Geology