Annual Report 2012 of the Chattian GSSP Working Group

The formal proposal of the GSSP for the base Chattian at the Monte Cagnero section (Umbria-Marche basin, NE Apennines, Italy) is still in progress under the leadership of R. Coccioni and A. Montanari, two of the co-authors of the published paper in which the proposal was put forward.

Coccioni R., Marsili A., Montanari A., and Others, 2008. Integrated stratigraphy of the Oligocene pelagic sequence in the Umbria-Marche basin (northeastern Apennines, Italy): A potential Global Stratotype Section and Point (GSSP) for the Rupelian/Chattian boundary. Geological Sociaty of America Bulletin, v. 120 (3/4), p. 487–511; doi: 10.1130/B25988.1

Report by Isabella Premoli Silva, Chairwoman.